CN109870733A - A kind of measuring device of land survey data and the processing method of survey data - Google Patents
A kind of measuring device of land survey data and the processing method of survey data Download PDFInfo
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Abstract
The present invention provides a kind of measuring device of land survey data and the processing methods of survey data, comprising: gravimeter and the balancing device positioned at gravimeter bottom, balancing device are used for stable gravimeter；Gravimeter has shell structure, and enclosure interior is equipped with: three-component gravity sensor, three-component attitude transducer and three-component magnetometric sensor；The position of three-component gravity sensor, three-component attitude transducer and three-component magnetometric sensor is not conllinear and two sensors at least in three-component gravity sensor, three-component attitude transducer and three-component magnetometric sensor are in same level；Three-component gravity sensor, three-component attitude transducer and three-component magnetometric sensor are electrically connected with 32,9 channel analog-to-digital conversion, data storage circuitry.The application embodiment provide a kind of land survey data measuring device and survey data processing method, can the density to reservoir or mineral qualitatively or quantitatively studied with magnetic parameter.
Description
Technical field
The present invention relates to the measuring device of technical field of geophysical exploration more particularly to a kind of land survey data and
The processing method of survey data.
Background technique
Gravity measurement is to measure the gravity acceleration value of earth surface.The mode of continental gravity data measurement has: being existed with gravimeter
Ocean weather station observation is carried out on ground；Continuous observation is carried out on mobile platform with gravimeter.
Gravimeter is the measuring instrument of determining acceleration of gravity.The gravimetric data acquired by gravimeter, can be in the hope of surely big
The shape of ground-level.This is because below ground has the strata interface of different densities, the fluctuating at this interface be will lead to
The variation of gravity.Therefore, by the explanation and analysis, continuation to various Gravity changers, the figure of the earth, earth's crust structure can be obtained
The data with interfaces certain in sedimentary type formations is made, and then tectonics, areal geology etc. can be studied, to find
Mineral products provide foundation.
The prior art, gravimeter are merely capable of for measuring the acceleration of gravity on earth surface, then by measurement
Geological structure and crustal structure are studied in the processing of data.But in fact, gravimeter has multi-solution and non-in the data of measurement
Uniqueness, this is because the geology of different depth, different size, different physical properties parameter (such as rock density, rock magnetism)
Body may generate duplicate distribution of gravity field and VARIATION OF GRAVITY FIELD rule, therefore obtained gravitational field on the ground
Distribution characteristics and VARIATION OF GRAVITY FIELD rule have uncertainty, and there are biggish defects on research geological structure.
It can be seen that being highly desirable to provide the measuring device of the new land survey data of one kind and the place of survey data
Reason method, is able to solve the above problem.
Summary of the invention
To achieve the goals above, this application provides the following technical solutions:
A kind of measuring device of land survey data, comprising: gravimeter and the balancing device positioned at the gravimeter bottom,
The balancing device is for stablizing the gravimeter；The gravimeter has shell, and the enclosure interior is equipped with: three-component weight
Force snesor, three-component attitude transducer and three-component magnetometric sensor；The three-component gravity sensor, the three-component appearance
The position of state sensor and the three-component magnetometric sensor is not conllinear and at least described three-component gravity sensor, three points described
Two sensors in attitude transducer and the three-component magnetometric sensor are measured in same level；The three-component gravity
Sensor, three-component attitude transducer and three-component magnetometric sensor are electric with 32,9 channel analog-to-digital conversion, data storage circuitry
Property connection, 32,9 channel analog-to-digital conversion, data storage circuitry are used to the sensor output signal amplifying letter
Number, analog-to-digital conversion and data storage.
As a preferred embodiment, the three-component gravity sensor, the three-component attitude transducer and institute
Three-component magnetometric sensor is stated to be located in same level.
As a preferred embodiment, the balancing device includes: base platform and pedestal, the pedestal is set to
The lower section of the base platform；The base platform is equipped with level meter and compass, and the pedestal can be aobvious according to the level meter
Show that the inclined degree of the gravimeter adjusts the gravimeter, the compass is used to determine the orientation of the measuring device.
As a preferred embodiment, the pedestal is specially tripod, there are three brackets for the tripod tool, often
A bracket can change length.
As a preferred embodiment, the three-component gravity sensor includes: the first pedestal, is fixedly mounted on
First fixing body, the first shell being set in outside first fixing body in one pedestal, first shell and first base
It is threadedly coupled between seat, first fixing body at least has there are three adjacent side, and three of first fixing body are adjacent
Side on X-axis gravity sensitive module, Y-axis gravity sensitive module, Z axis gravity sensitive module, the X-axis gravity sensitive are installed
It is mutually orthogonal two-by-two between module, the Y-axis gravity sensitive module and the Z axis gravity sensitive module.
As a preferred embodiment, the three-component magnetometric sensor includes: the second pedestal, is fixedly mounted on
Second fixing body, the second housing being set in outside second fixing body in two pedestals, the second housing and second base
It is threadedly coupled between seat, second fixing body at least has there are three adjacent side, and three of second fixing body are adjacent
Side on X-axis magnetic force sensing module, Y-axis magnetic force sensing module, Z axis magnetic force sensing module be installed, the X-axis magnetic force sensing
It is mutually orthogonal two-by-two between module, the Y-axis magnetic force sensing module and the Z axis magnetic force sensing module.
As a preferred embodiment, the three-component attitude transducer includes: third pedestal, is fixedly mounted on
Third fixing body, the third shell being set in outside the third fixing body in three pedestals, the third shell and the third base
It is threadedly coupled between seat, the third fixing body at least has there are three adjacent side, and three of the third fixing body are adjacent
Side on X-axis posture sensing module, Y-axis posture sensing module, Z axis posture sensing module be installed, the X-axis posture sensing
It is mutually orthogonal two-by-two between module, the Y-axis posture sensing module and the Z axis posture sensing module.
As a preferred embodiment, further include: instruction device, the instruction device is for showing the measurement dress
Set the working condition of each component.
The processing method of a kind of pair of survey data, the treating method comprises following steps:
Receive the first gravimetric data of three-component gravity sensor measurement, the first magnetic force of three-component magnetometric sensor measurement
The attitude data of data and the measurement of three-component attitude transducer；
First gravimetric data is obtained into the second gravimetric data in conjunction with the attitude data, by first magnetic data
The second magnetic data is obtained in conjunction with the attitude data；
Second gravimetric data and second magnetic data are transformed into same datum level, obtain same level
Third gravimetric data and third magnetic data；
It is extracted after third gravimetric data is handled by forward modeling and Inversion Calculation related with stratum gravity property
Rock or density of earth formations parameter extract and stratum magnetism after being handled third magnetic data by forward modeling and Inversion Calculation
The related rock of property or the magnetic parameter on stratum；
By the third gravimetric data of treated two neighboring measuring point according to the horizontal component difference between two o'clock divided by two o'clock
Between horizontal distance calculate horizontal gravity gradient value, and then form gravity horizontals according to all horizontal gravity gradient values
Two horizontal gravity gradient components in gradient fields；
By the third magnetic data of treated two neighboring measuring point according to the horizontal component difference between two o'clock divided by two o'clock
Between horizontal distance calculate horizontal magnetic force gradient value, form magnetic force levels according to all horizontal magnetic force gradient relative values
Two horizontal magnetic force gradient components in gradient fields；
Based in the rock related with stratum gravity property or density of earth formations parameter, the horizontal gravity gradient field
Two horizontal gravity gradient components carry out inversion imaging, obtain rock or density of earth formations Distribution value below measuring point in radial extension
Rule；
Based in the rock related with stratum magnetic properties or stratum magnetic parameter, the horizontal magnetic force gradient fields
Two horizontal magnetic force gradient components carry out inversion imaging, obtain the rock below measuring point in radial extension or stratum magnetism distribution rule
Rule.
First gravimetric data described in embodiment as one preferred includes first level weight component, the first vertical weight
Force component, first magnetic data include first level magnetic force component, the first vertical magnetic force component；Second gravimetric data
Including the second horizontal gravity component, the second vertical gravitational component, second magnetic data includes the second horizontal magnetic force component, the
Two vertical magnetic force components；The third gravimetric data includes third horizontal gravity component, third vertical gravitational component, the third
Magnetic data includes third horizontal magnetic force component, third vertical magnetic force component.
As a preferred embodiment, described obtain second in conjunction with the attitude data for first gravimetric data
Gravimetric data, by first magnetic data in conjunction with the attitude data obtain the second magnetic data the step of in, comprising:
First gravimetric data and first magnetic data are rotated into the position that inclination angle is zero degree, make gravity and magnetic
The vertical component of power becomes perpendicular to ground level, two mutually orthogonal first level weight components and first level magnetic force component
It is parallel to ground level；
According to the azimuth of measuring point by after the rotation correction the first gravimetric data and the first magnetic data side of rotating to
Parallactic angle is the position of zero degree, and two horizontal components of gravity and magnetic force is made to become a horizontal component north-south, another water
The amount of dividing equally is East and West direction, and vertical component is still maintained perpendicular to level ground.
As a preferred embodiment, described obtain second in conjunction with the attitude data for first gravimetric data
Gravimetric data, by first magnetic data in conjunction with the attitude data obtain the second magnetic data the step of in, comprising:
First gravimetric data and first magnetic data are rotated into the position that inclination angle is zero degree, make gravity and magnetic
The vertical component of power becomes perpendicular to ground level, two mutually orthogonal first level weight components and first level magnetic force component
It is parallel to ground level；
According to the azimuth of measuring point by after the rotation correction the first gravimetric data and the first magnetic data rotate to ground
Plastid trend or set profile direction make to be parallel to geologic body trend or set section by rotation processing the latter horizontal component
Direction, another horizontal component is then perpendicular to geologic body trend or profile direction and parallel to the ground, and vertical component is still protected
It holds perpendicular to level ground.
As a preferred embodiment, described be transformed into second gravimetric data and second magnetic data
The step of same datum level includes: to carry out elevation improvement and landform improvement to second gravimetric data, to second magnetic force
Data carry out elevation improvement, obtain same datum level third gravimetric data and the third magnetic data.
As a preferred embodiment, described close based on the rock related with stratum gravity property or stratum
Two horizontal gravity gradient components in degree parameter, the horizontal gravity gradient field carry out inversion imaging and obtain radial direction below measuring point
Rock in range or in the step of density of earth formations Distribution value rule, rock or density of earth formations value are calculated by following equation
It arrives:
ρAve=(F- △ g/ △ z)/4 π G
Wherein, △ g indicates the gravity difference between any two measuring point, unit mGal；△ z is indicated between any two measuring point
Distance, unit m；ρAveFor the pitch density between any two measuring point, unit is gcm-3；F is free air effect system
Number；G is gravitational constant.
The utility model has the advantages that
A kind of measuring device for land survey data that the application embodiment provides and the processing method of survey data,
It is made of the balancing device of gravimeter and gravimeter bottom.The gravimeter includes: three-component gravity sensor, three-component posture
Sensor and three-component magnetometric sensor.The three-component gravity sensor, three-component attitude transducer and three-component magnetic force pass
Sensor can measure the attitude data and magnetic data of gravimetric data both vertically and horizontally, gravimeter, therefore over the ground
The synchronous progress three-component gravity measurement in fixation position and three-component mgnetic observations on face, can obtain the three-component gravity of measuring point
Data and three-component magnetic data.
By carrying out multimetering along scheduled measurement direction on mobile platform, water in same level can be obtained
The magnetic force of the gravity gradient value of two horizontal components in flat gravity gradient field, two horizontal components in horizontal magnetic force gradient fields
Gradient value.So as to study the rock below measuring point in radial extension or density of earth formations value the regularity of distribution and rock or
The regularity of distribution of stratum magnetic field strength.
Referring to following description and accompanying drawings, specific implementations of the present application are disclosed in detail, specify the original of the application
Reason can be in a manner of adopted.It should be understood that presently filed embodiment is not so limited in range.In appended power
In the range of the spirit and terms that benefit requires, presently filed embodiment includes many changes, modifications and is equal.
The feature for describing and/or showing for a kind of embodiment can be in a manner of same or similar one or more
It uses in a other embodiment, is combined with the feature in other embodiment, or the feature in substitution other embodiment.
It should be emphasized that term "comprises/comprising" refers to the presence of feature, one integral piece, step or component when using herein, but simultaneously
It is not excluded for the presence or additional of one or more other features, one integral piece, step or component.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one of the application embodiment measuring device of land survey data；
Fig. 2 is the flow chart of the processing method of survey data in the application embodiment.
Description of symbols: 1, gravimeter；2, three-component gravity sensor；3, three-component attitude transducer；4, three-component
Magnetometric sensor；5,32,9 channel analog-to-digital conversion, data storage circuitry；6, instruction device；7, base platform；8, pedestal.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, elaborate to technical solution of the present invention, it should be understood that these
Embodiment is merely to illustrate the present invention rather than limitation range, after the present invention has been read, those skilled in the art couple
The modification of various equivalent forms of the invention is each fallen in the application range as defined in the appended claims.
Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to the application
The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that in limitation the application.
It should be noted that it can directly on the other element when element is referred to as " being set to " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", "upper",
"lower", "left", "right" and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Present invention also provides a kind of measuring devices of land survey data, as shown in Figure 1, comprising: gravimeter 1 and are located at
The balancing device of 1 bottom of gravimeter, the balancing device is for stablizing the gravimeter 1；The gravimeter 1 has shell
Structure, the enclosure interior are equipped with: three-component gravity sensor 2, three-component attitude transducer 3 and three-component magnetometric sensor
4；The position of the three-component gravity sensor 2, the three-component attitude transducer 3 and the three-component magnetometric sensor 4 is not
At least two in the conllinear and described three-component gravity sensor 2, the three-component attitude transducer 3 and three-component magnetometric sensor 4
A sensor arranges in the horizontal direction in the same plane；The three-component gravity sensor 2,3 and of three-component attitude transducer
Three-component magnetometric sensor 4 is electrically connected with 32,9 channel analog-to-digital conversion, data storage circuitry 5,32,9 channel mould
Number conversion, data storage circuitry 5 are used to amplifying the sensor output signal into signal, analog-to-digital conversion and data and store.
In the present embodiment, the three-component gravity sensor 2 includes: for measuring the gravity of gravity along the x axis
The X-axis gravity sensitive module of acceleration, the Y-axis gravity sensitive module for measuring the acceleration of gravity of gravity along the y axis and
For measuring Z axis gravity sensitive module of the gravity along the acceleration of gravity of Z-direction.The three-component magnetometric sensor 4 includes:
For measuring the X-axis magnetic force sensing module of magnetic force value along the x axis, the Y-axis magnetic force for measuring magnetic force value along the y axis senses
Module and for measuring the Z axis magnetic force sensing module along Z-direction magnetic force value.The three-component attitude transducer 3 measures described
The attitude data of gravimeter 1, the attitude data include: inclination angle, azimuth and the tendency of the gravimeter 1, the three-component
Attitude transducer 3 includes: for measuring the posture sensing module of posture along the x axis, the appearance for measuring posture along the y axis
State sensing module and for measuring the posture sensing module along Z-direction posture.
A kind of measuring device for land survey data that the application embodiment provides and the processing method of survey data,
It is made of the balancing device of 1 bottom of gravimeter 1 and gravimeter.The gravimeter 1 includes: three-component gravity sensor 2, three-component
Attitude transducer 3 and three-component magnetometric sensor 4.The three-component gravity sensor 2, three-component attitude transducer 3 and three points
Amount magnetometric sensor 4 can measure the attitude data and magnetic force number of gravimetric data both vertically and horizontally, gravimeter 1
According to, therefore three-component gravity measurement and three-component mgnetic observations are carried out to the fixation position on ground is synchronous, measuring point can be obtained
Three-component gravimetric data and three-component magnetic data.By carrying out multiple spot survey along scheduled measurement direction on mobile platform
Amount can obtain gravity gradient value, the horizontal magnetic force ladder of two horizontal components in same level in horizontal gravity gradient field
Spend the magnetic gradient value of two horizontal components in field.It is close so as to study rock below measuring point in radial extension or stratum
The regularity of distribution and rock of angle value or the regularity of distribution of stratum magnetic field strength.
The gravimeter 1 has hollow shell structure, in order to keep gravimeter 1 to stablize in measurement, the shell knot
Structure can be rectangular tank, or cylindrical structure.The shell is by high duty metal or nonmetallic composite system
At, for resisting damage of the external force to sensor and other elements in tool housing.Enclosure interior is equipped with three-component
Gravity sensor 2, three-component attitude transducer 3, three-component magnetometric sensor 4.In order to reduce the height of gravimeter 1, increase it
Stability, at least two sensors in three-component gravity sensor 2, three-component attitude transducer 3 and three-component magnetometric sensor 4
It arranges in the horizontal direction in the same plane.
Preferably, the three-component gravity sensor 2, three-component attitude transducer 3 and three-component magnetometric sensor 4 are in water
It square is generally aligned in the same plane upwards, the three-component gravity sensor 2, three-component attitude transducer 3, three-component magnetometric sensor
4 modes triangular in shape arrange, in order to ensure the gravimetric data of measurement, attitude data, magnetic data are same position, and three
The position of sensor is as mutually close as possible, and to guarantee, measured data is the three-component gravimetric data of same position and three-component magnetic force
Data.
Specifically, the three-component gravity sensor 2 is a kind of MEMS (Micro-Electro- based on deep silicon etching
Mechanical System MEMS) technology, high-accuracy capacitor displacement sensing technology and Technique of Weak Signal Detection weight
Power sensing chip is three axis gravity sensors of core, or three axis high-precision gravity sensors or base based on cold atom principle
In three axis high-precision gravity sensors of superconduction principle.The gravity sensitive based on MEMS or based on cold atom or based superconductive
Module includes: for measuring the X-axis gravity sensitive module of the acceleration of gravity of gravity along the x axis, for measuring gravity along Y-axis
The Y-axis gravity sensitive module of the acceleration of gravity in direction and for measuring Z axis gravity of the gravity along the acceleration of gravity of Z-direction
Sensing module.The X-axis gravity sensitive module, Y-axis gravity sensitive module and Z axis gravity sensitive module are along the orthogonal laying of three axis
MEMS type or cold atom type or superconduction type gravity sensitive module.
The three-component gravity sensor includes: the first pedestal, is fixedly mounted on the first fixing body in the first pedestal, is arranged
The first shell outside first fixing body is threadedly coupled, described first between first shell and first pedestal
Fixing body at least has there are three adjacent side, and X-axis gravity biography is equipped on three adjacent sides of first fixing body
Feel module, Y-axis gravity sensitive module, Z axis gravity sensitive module, the X-axis gravity sensitive module, the Y-axis gravity sensitive mould
It is mutually orthogonal two-by-two between block and the Z axis gravity sensitive module.
The three-component magnetometric sensor 4 may include the second pedestal, the second fixing body being fixedly mounted on the second pedestal,
The second housing being set in outside the second fixing body is threadedly coupled between second housing and the second pedestal.Second fixing body at least has
There are three sides, and X-axis magnetic force sensing module, Y-axis magnetic force sensing module and Z axis magnetic force sensing module are separately mounted to the second installation
On three sides of body, between X-axis magnetic force sensing module, Y-axis magnetic force sensing module and Z axis magnetic force sensing module two-by-two mutually just
It hands over.Therefore the three-component magnetometric sensor 4 can measure the magnetic force number in orthogonal coordinate system on three X-axis, Y-axis, Z axis directions
According to.Three-component magnetometric sensor 4 is specifically as follows fluxgate type high-precision magnetic field sensor or cold atom magnetic field sensor or light
Pump magnetic field sensor or cryogenic magnetic field sensor, by three independent flux gate types along the orthogonal laying of three axis or cold atom
Type or optical pumping type or superconduction type magnetic force sensing module.
Specifically, multiple threaded holes are distributed on second fixing body, the installation for each magnetic force sensing module.The
Two fixing bodies are set in second housing, several millimeters of the shell wall thickness of three-component magnetometric sensor 4.In the embodiment of the present application,
Second pedestal and second housing are connected and fixed by helicitic texture, are provided with external screw thread on the second pedestal side wall, in second housing
Side wall is provided with internal screw thread.The bottom of second pedestal offers multiple threaded holes, which is used for through portions such as bolt screws
Three-component magnetometric sensor 4 is fixed in the shell of gravimeter 1 by part.It is additionally provided at the top of the shell for by three-component
The through-hole of the input of the output and power supply signal of 4 signal of magnetometric sensor.
For measuring the attitude data for measuring the gravimeter 1, the attitude data includes: three-component attitude transducer 3
Inclination angle, azimuth and the tendency of the gravimeter 1, the three-component attitude transducer 3 include: for measuring appearance along the x axis
The posture sensing module of state, the posture sensing module for measuring posture along the y axis and for measuring along Z-direction posture
Posture sensing module.The three-component attitude transducer 3 can also include third pedestal, the third being fixedly mounted on third pedestal
Fixing body, the third shell being set in outside third fixing body, several millimeters of the shell structure wall thickness of third shell, third shell and
It is threadedly coupled between three pedestals.Third through-hole is additionally provided at the top of the third shell to believe for three-component attitude transducer 3
Number output and power supply signal input.
Third pedestal is cylindrical structure, is provided with external screw thread on third pedestal side wall, third housing interior side-wall is provided with
Internal screw thread.The bottom of third pedestal offers multiple threaded holes, which is used to fix three points by components such as bolt screws
Measure attitude transducer 3.Third fixing body at least has there are three side, and multiple threaded holes are distributed on the side of third fixing body,
Installation X-axis posture sensing module, Y-axis posture sensing module and Z axis posture sensing module point for each posture sensing module
It is not mounted on three sides of third fixing body, X-axis posture sensing module, Y-axis posture sensing module and Z axis posture sense mould
It is mutually orthogonal two-by-two between block.Therefore the three-component attitude transducer 3 can measure in orthogonal coordinate system along X-axis, Y-axis, Z axis three
The tilt angle, orientation angles and inclined direction of the gravimeter 1 on a direction.
Since posture of the gravimeter 1 when measuring to each measuring point may be horizontal component that is random, obtaining
Gravimetric data, vertical component gravimetric data, horizontal component magnetic data, vertical component magnetic data are inaccurate.Therefore it needs
Know in the reality of three-component gravity sensor 2, three-component magnetometric sensor 4 when measuring gravity value and magnetic field value on each measuring point
Border posture, such as: inclination angle, tendency and azimuth, could actual measurement gravity value to the measuring point and magnetic field value convert.By three-component
The magnetic data of gravimetric data, the acquisition of three-component magnetometric sensor 4 that gravity sensor 2 acquires, senses in conjunction with three-component posture
The attitude data that device 3 acquires carries out rotation correction, to be converted into the three-component gravimetric data and three-component magnetic force number of same orientation
According to.
The three-component gravity sensor 2, three-component attitude transducer 3 and three-component magnetometric sensor 4 with 9 channels 32
Position analog-to-digital conversion, data storage circuitry 5 be electrically connected, 32,9 channel analog-to-digital conversion, data storage circuitry 5 be used for by
It states sensor output signal and amplifies signal, analog-to-digital conversion and data storage.Wherein, 32,9 channel analog-to-digital conversion, number
According to storage circuit 5 for the channel number of signal amplification and 9 32 analog-to-digital conversions in channel and 2, three points of three-component gravity sensor
ALT-CH alternate channel needed for three component output signals of amount attitude transducer 3 and three-component magnetometric sensor 4 matches.This is 9 logical
The digital signal of output is input in data storage circuitry and chip by 32, road analog-to-digital conversion, data storage circuitry 5, thus into
Row storage saves.
Further, 32,9 channel analog-to-digital conversion, data storage circuitry 5 can be with the signal processing system electricity
Property connection, the data that the three-component gravity sensor 2, three-component attitude transducer 3 and three-component magnetometric sensor 4 acquire deposit
Storage is read into 32,9 channel analog-to-digital conversion, data storage circuitry 5 by the signal processing system.Its electric connection side
Formula can be wireless connection, such as using the technologies such as WI-FI in the prior art, infrared, bluetooth, or also can use other
Wireless communication technique, the application do not make specific limit herein.Certainly, 32,9 channel analog-to-digital conversion, data storage electricity
Road 5 or the data acquisition product with USB interface, can be with the various desktop computers with USB interface, notes
The connection such as this computer.
Signal processing system can read 32,9 channel analog-to-digital conversion, the data of data storage circuitry 5, the letter
Number processing system specifically can be various forms of computers.9 32, channel analog-to-digital conversions, data storage circuitry 5 can be by numbers
According to being transferred to signal processing system.Data are shown simultaneously the data that sensor acquires by signal processing system after treatment
Record data.Signal processing system is provided with correction unit, the correction unit can acquire three-component gravity sensor 2 three points
Measure gravimetric data, the appearance that the three-component magnetic field data combination three-component attitude transducer 3 that three-component magnetometric sensor 4 acquires acquires
State data carry out rotation correction, to be converted into the three-component gravimetric data and three-component magnetic field data at same level position,
To obtain vertical gravitational component, horizontal gravity component and vertical magnetic force component, the horizontal magnetic force component under same orientation.
The balancing device includes: base platform 7 and pedestal 8, and the pedestal 8 is set to the lower section of the base platform 7.
Level meter and compass can be installed, the pedestal 8 can show the gravimeter according to the level meter on the base platform 7
1 inclined degree adjusts the gravimeter 1, and the compass is used to determine the orientation of the measuring device.
Specifically, the shell of the gravimeter 1 is fixed on base platform 7, fixed form can pass through helicitic texture
It is fixed.Level meter can be air-bubble level, and level meter and compass are mounted on base platform 7 by bolt.Pedestal 8 is specially
The tripod of adjustable height, tripod tool is there are three bracket, and the adjustable height of each bracket, so as to protect
Hold the level of gravimeter 1.Compass is used to determine the orientation of the measuring device, in actual operation, need at the construction field (site) according to
The trend of the geologic objective body of exploration or extending direction design the direction of survey grid and survey line, and survey grid design the inside contains survey line
Between line-spacing and point between each measuring point of survey line away from.Measurement when, need constantly correct by compass measurement direction and
Plan the offset of survey line, so that each measuring point is as much as possible along plan line direction distribution.
When level meter shows that gravimeter 1 is inclined, the height of the tripod of adjustable pedestal 8 is until the level
Until instrument display is horizontal.By the adjusting of the pedestal 8, gravimeter 1 is enabled to keep horizontality at work.
In one embodiment, the measuring device further include: instruction device 6, the instruction device 6 is for showing institute
State the working condition of each component of measuring device.Sensor in the measuring device and analog-to-digital conversion, data storage circuitry 5 with
The instruction device 6 is electrically connected.The instruction device 6 can show three-component gravity value in digital form, can also show other
The parameter value of sensor measurement, the instruction device can also be with the indicator lights of different color come the working condition of display instrument.
Present invention also provides a kind of processing methods of survey data using the measuring device, as shown in Fig. 2, described
The processing method of survey data the following steps are included:
S10: the first gravimetric data that three-component gravity sensor 2 measures, that three-component magnetometric sensor 4 measures are received
The attitude data that one magnetic data and three-component attitude transducer 3 measure.Wherein, first gravimetric data includes first level
Weight component, the first vertical gravitational component, first magnetic data include first level magnetic force component, the first vertical magnetic force point
Amount.
S20: first gravimetric data is obtained into the second gravimetric data in conjunction with the attitude data；By first magnetic force
Data obtain the second magnetic data in conjunction with the attitude data.Wherein, second gravimetric data includes the second horizontal gravity point
Amount, the second vertical gravitational component, second magnetic data include the second horizontal magnetic force component, the second vertical magnetic force component；
S30: second gravimetric data and second magnetic data are transformed into same datum level, obtain same level
The third gravimetric data and third magnetic data in face.Wherein, the third gravimetric data includes third horizontal gravity component, third
Vertical gravitational component, the third magnetic data include third horizontal magnetic force component, third vertical magnetic force component；
S40: extracting after third gravimetric data is handled by forward modeling and Inversion Calculation has with stratum gravity property
The rock or density of earth formations parameter of pass, extract and stratum after third magnetic data is handled by forward modeling and Inversion Calculation
The related rock of magnetic properties or the magnetic parameter on stratum；
S50: by the third gravimetric data of treated two neighboring measuring point according to the horizontal component difference between two o'clock divided by
Horizontal distance between two o'clock calculates horizontal gravity gradient value, and then forms gravity according to all horizontal gravity gradient values
Two horizontal gravity gradient components in horizontal gradient field；
By the third magnetic data of treated two neighboring measuring point according to the horizontal component difference between two o'clock divided by two o'clock
Between horizontal distance calculate horizontal magnetic force gradient value, form magnetic force levels according to all horizontal magnetic force gradient relative values
Two horizontal magnetic force gradient components in gradient fields；
S60: based on the rock related with stratum gravity property or density of earth formations parameter, the horizontal gravity gradient field
In two horizontal gravity gradient components carry out inversion imaging, obtain rock or density of earth formations value below measuring point in radial extension
The regularity of distribution；
Based in the rock related with stratum magnetic properties or stratum magnetic parameter, the horizontal magnetic force gradient fields
Two horizontal magnetic force gradient components carry out inversion imaging, obtain the rock below measuring point in radial extension or stratum magnetism distribution rule
Rule.
Specifically, when obtaining data using the measuring device, in the geologic objective body that construction plant area explores as needed
Trend or extending direction set up on the predetermined measuring point of plant area to design the direction of survey grid and survey line and get well the land survey data
Measuring device.After the measuring device is stablized, the direction of a horizontal component in the instrument can be adjusted to the positive north
To the direction of a horizontal component of the instrument can also be adjusted to the specified direction of survey grid or survey line.
The measuring device of the land survey data is adopted according to pre-defined rule along survey line or survey grid direction point by point on the ground
Collect the first gravimetric data, attitude data and the first magnetic data.First gravimetric data is the measurement of three-component gravity sensor 2
Three-component gravimetric data comprising first level weight component and the first vertical gravitational component.The attitude data is three points
Measure the three-component attitude data that attitude transducer 3 measures comprising horizontal attitude component and perpendicular attitude component.First magnetic
Force data is the three-component magnetic data that three-component magnetometric sensor 4 measures comprising first level magnetic force component and first is hung down
Straight magnetic force component.Survey grid design the inside contains the line-spacing between survey line and the point between each measuring point of survey line away from described pre-
Set pattern then for according to certain point away from being arranged along line direction.Three-component gravity sensor 2, three-component attitude transducer
3 and three-component magnetometric sensor 4 acquire data export and store into 32,9 channel analog-to-digital conversion, data storage circuitry 5.
In step S10 and step S20, the three-component gravity sensor 2, three-component attitude transducer 3 and three-component
The data that magnetometric sensor 4 acquires are stored into 32,9 channel analog-to-digital conversion, data storage circuitry 5, and by the signal
Processing system is read.The signal processing system includes correction unit, and the correction unit is used for according to the three-component posture
The attitude data of the gravimeter 1 measured by sensor 3 calculates measured by the corresponding three-component gravity sensor 2
Vertical point of magnetic force value measured by the vertical component or horizontal component of gravity, the corresponding three-component magnetometric sensor 4
Amount or horizontal component.
Data are shown record data after data processing by signal processing system, and carry out subsequent data processing
Step.Correction unit can acquire the first gravimetric data that three-component gravity sensor 2 acquires, three-component magnetometric sensor 4
The attitude data of first magnetic field data combination three-component attitude transducer 3 acquisition carries out rotation correction, to be converted into same orientation
The second gravimetric data and the second magnetic field data, to obtain the second vertical gravitational component, the second horizontal gravity component and second
Vertical magnetic force component, the second horizontal magnetic force component.
In one embodiment, in step S20, the first gravity number that the three-component gravity sensor 2 is acquired
According to the first magnetic data of, the three-component magnetometric sensor 4 acquisition, the appearance acquired in conjunction with the three-component attitude transducer 3
State data carry out rotation correction, by the first gravimetric data measured in this measurement position and the first magnetic data according to this position three
Inclination angle, azimuth and the tendency that component attitude transducer 3 provides carry out rotation processing.First the first gravimetric data of measurement
One magnetic data rotates to the position that inclination angle is zero degree, and the vertical component of gravity and magnetic force will become perpendicular to ground level at this time
, the mutually orthogonal first level weight component of two measured and the first magnetic force component become being parallel to ground level；Then
It is zero degree that aforementioned postrotational first gravimetric data and the first magnetic data, which are rotated to azimuth, according to the azimuth of this measuring point
Position, it is north-south that two horizontal components of gravity and magnetic force, which will become a horizontal component, at this time, another level point
Amount is transmeridional, and vertical component is still maintained perpendicular to level ground.Or according to the azimuth of measuring point by aforementioned rotation
The first gravimetric data and the first magnetic data after correction rotate to geologic body trend or set profile direction, make by rotation
Reason the latter horizontal component is parallel to geologic body trend or set profile direction, another horizontal component are then walked perpendicular to geologic body
To or profile direction and parallel to the ground, and vertical component is still maintained perpendicular to level ground.
Second gravimetric data and second magnetic data are transformed into same datum level, obtain same level
Third gravimetric data and third magnetic data, wherein the third gravimetric data includes that third horizontal gravity component, third are vertical
Weight component, the third magnetic data include third horizontal magnetic force component, third vertical magnetic force component.In step s 30
The same datum level is that the horizontal plane with sustained height can be same since the elevation of each measuring point is different
A construction on-site selects datum level of the elevational point as this work area, according to the elevation of each measuring point of actual measurement, by each survey
The calculating that second gravimetric data of point, the second magnetic data pass through elevation correction is converted to the unified datum level in work area up, with
Obtain the third gravimetric data and third magnetic data of same datum level.
In the present embodiment, described that second gravimetric data and second magnetic data are transformed into same benchmark
The step of face includes: to carry out elevation improvement and landform improvement to second gravimetric data, is carried out to second magnetic data
Elevation improve, obtain same datum level third gravimetric data and the third magnetic data.
Specifically, the elevation correction method can be with are as follows: by the second obtained gravimetric data and the second magnetic data, subtract
The three-component gravity and three-component measured magnetic field in the same datum face of background or non-abnormal area obtain the in measurement work area
Three gravimetric datas and third magnetic data.
To treated, the second gravimetric data carries out landform improvement.Due to being uneven for land ground, at the plant area that constructs
When the complicated landforms such as such as high mountain, valley, river, lake, Plain, the rolling topography in measuring point radial extension has gravimetric data
It influences, so needing to carry out topographic correction to the second obtained gravimetric data, eliminates height landform counterweight in measuring point radial extension
The influence of force data.The topographic correction is to eliminate measuring point to be nearby higher or lower than the landform quality of measuring point horizontal plane to observation weight
The influence of power and the correction added, are equivalent to and the landform quality of part are removed or filled, to make in observation point radial extension
Landform is located at same landform not only in same level.By the way that space bit can be eliminated to elevation correction and topographic correction
Set the influence with interlayer quality to gravimetric data.
Third gravimetric data after elevation correction and topographic correction is handled by forward modeling and Inversion Calculation, so
After extract rock related with stratum gravity property or density of earth formations parameter.To logical by the improved third magnetic data of elevation
It crosses forward modeling and Inversion Calculation is handled, then extract the magnetic parameter on rock related with stratum magnetic properties or stratum.
By the third horizontal gravity component of treated two neighboring measuring point according to the horizontal component difference between two o'clock divided by
Horizontal distance between two o'clock calculates horizontal gravity gradient value, and then forms gravity according to all horizontal gravity gradient values
Two horizontal gravity gradient components in horizontal gradient field.By the third horizontal magnetic force component root of treated two neighboring measuring point
Horizontal magnetic force gradient value is calculated divided by the horizontal distance between two o'clock according to the horizontal component difference between two o'clock, and then according to all
The horizontal magnetic force gradient relative value forms two horizontal magnetic force gradient components in horizontal gradient field.
Based in the rock related with stratum gravity property or density of earth formations parameter, the horizontal gravity gradient field
Two horizontal gravity gradient components carry out the rock or density of earth formations Distribution value below inversion imaging acquisition measuring point in radial extension
Rule.Wherein, rock or density of earth formations value are calculated by following equation:
ρAve=(F- △ g/ △ z)/4 π G
Wherein, △ g indicates the gravity difference between any two measuring point, unit mGal；△ z is indicated between any two measuring point
Distance, unit m；ρAveFor the pitch density between any two measuring point, unit is gcm-3；F is free air effect system
Number；G is gravitational constant.
Based on rock related with stratum gravity property or density of earth formations parameter, rock mine related with stratum magnetic properties
Two in two horizontal gravity gradient components, magnetic force level gradient fields in object or stratum magnetic parameter, horizontal gradient of gravity field
A horizontal magnetic force gradient component carries out the rock forming mineral below constraint inverting or joint inversion imaging acquisition measuring point in radial extension
Or stratum density parameter and magnetic parameter the regularity of distribution.The third gravimetric data and third magnetic data measured is carried out
Mutually constraint inverting or joint inversion can obtain fluid density in the rock forming mineral density or blowhole around below measuring point
With the magnetic distribution and variation of rock forming mineral in drilling well radial extension, single Geophysical Data Processing can be greatly reduced and explain
As a result multi-solution or it is non-be only a property.
The measurement of single geophysical parameters (such as gravity value or magnetic field strength) as a result, handle explain when all exist
Multi-solution or nonuniqueness.I.e. different buried depth, different size, different physical parameter (such as density or magnetic susceptibility) underground
Plastid can generate duplicate gravity anomaly or magnetic anomalies on the ground, go inverting with two different physical parameters
The geologic body of underground can greatly reduce the multi-solution or nonuniqueness of geologic body explanation results.
In step S60, the rock or density of earth formations Distribution value below inversion imaging acquisition measuring point in radial extension are carried out
The step of rule further include: determining predetermined by constraint inverting according to the third gravimetric data and the horizontal gravity gradient value
The distribution of density of earth formations in range；According in the third gravimetric data horizontal component and the horizontal gravity gradient value into
Row joint inversion determines the distribution of the density of earth formations in preset range；According to the third magnetic field data and horizontal magnetic force ladder
Angle value determines the distribution of the magnetism of the stratum in preset range by constraining inverting；According to the level in the third magnetic data point
Amount carries out the distribution that joint inversion determines the magnetism of the stratum in preset range with the horizontal magnetic force gradient value.
One of which constraint inversion method is the interpretation results using seismic data, and fixed gravimetric data measurement point lower section is each
The buried depth and thickness on kind different lithology stratum, the density value on the stratum of every kind of different lithology of inverting.Another kind constraint inverting
Method is that the inverting of third gravimetric data is constrained with horizontal gravity gradient value, i.e., the stratum being finally inversed by with third gravimetric data is close
Angle value model calculates the horizontal gravity gradient value that (forward modelling) goes out must be as calculated horizontal gravity gradient value.
One of which constraint inversion method is the interpretation results using seismic data, and fixed magnetic data measurement point lower section is each
The buried depth and thickness on kind different lithology stratum, magnetic parameter (magnetic susceptibility, remanent magnetization on the stratum of every kind of different lithology of inverting
Intensity).The method of another kind constraint inverting is that the inverting of third magnetic data is constrained with horizontal magnetic force gradient value, that is, uses third
Stratum magnetic parameter (the magnetic susceptibility, remanent magnetization) model that magnetic data is finally inversed by calculates the horizontal magnetic that (forward modelling) goes out
Force gradient value must be as calculated horizontal magnetic force gradient value.
Joint inversion carries out inverting to two or more geophysical field simultaneously, and seeking one makes all participate in instead
The unified geological model that the geophysical observatory value drilled all meets.Gravity-magnetic anomaly is homologous field, can be anti-by weight magnetic joint
Method is drilled to reduce the multi-solution of weight, magnetic single method inverting, improves the reliability of inversion result.Geophysical joint inversion is just
It is that joint utilizes a variety of geophysical observatory data, is asked by the correlation between the physical properties of rock and geometric parameter of geologic body
Obtain the same subsurface geology, geophysical model.For example a method of Joint inversion of gravity withgeomagnetism is exactly the side with an equivalent layer
Method realizes Joint inversion of gravity withgeomagnetism to calculate the variation of the ratio of magnetic susceptibility and density.
The joint inversion of the gravimetric data and the magnetic data refers to for same objective function (such as subsurface geology
Objective body geometric dimension), joint inversion is carried out using gravimetric data and magnetic data simultaneously in the same inverting function, is obtained
The solution (result) of objective function, the forward modeling gravity and magnetic data of the subsurface geology target body Model of this inversion result must be able to together
When the gravimetric data that measures of fitting and magnetic data.The result (such as geometric dimension of geologic body) of joint inversion is than with single
The result of measurement data (single gravimetric data or single magnetic data) inverting is relatively reliable, and nonuniqueness is smaller.
In one embodiment, the processing method of the survey data further include: according to model radial below the measuring point
Rock or stratum magnetism distribution rule below rock or density of earth formations Distribution value rule, the measuring point in enclosing in radial extension
Rule, to the explanation of rock in radial extension below measuring point or stratum oily or high density mineral, magnetic mineral distribution characteristics with
Evaluation, and Inversion Calculation goes out the geometry of oil-bearing reservoir or high density mineral or high magnetic mineral point in the radial extension of measuring point lower section
Cloth range and volume, and then calculate the oil gas gross reserves and high density mineral or high magnetic mineral total weight of oil-bearing reservoir.
Specifically include: by Inversion Calculation go out below measuring point in radial extension the distribution characteristics of the density of stratum or rock stratum and
High density or the geometry distribution and volume on low-density stratum or rock stratum, calculate the saturation of petroleum resources in stratum or rock stratum
Degree, then according to the porosity on stratum or rock stratum, calculates oil-containing or air content total in stratum or rock stratum, or calculate height
The total weight of density mineral.By Inversion Calculation go out below measuring point stratum in radial extension or rock stratum magnetic parameter (magnetic susceptibility,
Remanent magnetization) distribution characteristics and high MAGNETIC STRATIGRAPHY or when the geometry distribution and volume of rock stratum, stratum can be calculated
Or in rock stratum high magnetic mineral total weight.
Conventional gravimetric prospecting observes, study is natural earth gravitational field, since adjacent ground surface is up to earth depth
All there is the uneven of material density distribution at place, so comparatively gravimetric prospecting has relatively inexpensive and depth of exploration big by two
A advantage.Texture makes ﹐ and is divided into mine with can solve following business ﹕ 1, Research on Crustal depth cage structure ﹔ survey region for gravimetric prospecting
Prospective area；2, the geology Tian Tu ﹐ of covered area includes delineation Duan Lie ﹑ Duan block Gou Zao ﹑ intrusive body etc.；3, generaI investigation and exploration are widely used in
Flammable mineral deposit (Shi You ﹑ Tians Ran Qi ﹑ coal), 4, find out that the domain Qu Gou Zao ﹐ determines the local structure of substrate Qi Fu ﹐ discovery Yan Qiu ﹑ anticline etc.
It makes；5, generaI investigation and exploration metalliferous deposit (the more metals of iron ﹑ chromium ﹑ copper ﹑ and other), be mainly used for finding out at mine it is related construct and
Rock mass carries out looking for mine indirectly；6, it is also commonly used for finding the high density ore body of great ﹑ near surface, and calculates the reserves of ore body；Engineering
Geologic survey, such as Detection of Karst, recourse fractured zones etc..
The measuring device for the land survey data that the present invention announces can synchronize progress three-component by same position on the ground
Gravity and mgnetic observations can also carry out three-component gravimetric data and three-component magnetic force number along predetermined direction on mobile platform
According to acquisition.The gravity of three-component gravity and mgnetic observations research same position synchronization that position carries out is fixed on the ground
With the variation of the vertical component and horizontal component of magnetic force on different ground locations, the three-component carried out on mobile platform
Gravity and mgnetic observations research below ground three-component gravity and magnetic force vertical component and horizontal component are along platform motion track
Variation.The variation is by the vertical and horizontal of ground lower density and underground magnetism heterogeneous body (fluid in rock or blowhole)
Caused by variation to position.Land three-component gravity can be used to study the three-component around measurement point with the variation of depth
The variation of gravitational field, land three-component magnetic field can be used to study the change in the three-component magnetic field around measurement point with the variation of depth
Change.Rock or blowhole in surrounding a certain range are inferred to below measurement point by the variation calculating of land three-component gravitational field
The variation of middle fluid density can be used for survey region geological structure, exploration Solid Mineral and petroleum resources and open entering
The oil gas field for adopting the phase carries out the long-term dynamics monitoring of underground fluid changes in distribution.According to the change in the three-component magnetic field around measurement point
Change the feature and its regularity of distribution with magnetic anomaly field, it will be appreciated that subsurface rock magnetism inhomogeneities, and then infer crustal structure
With construction, ocean floor generates and history of evolution, and reconnoitre the distribution of mineral deposits in continental margin area.
Above-described embodiment is only the technical concepts and features for illustrating the application, and its object is to allow person skilled in the art
Scholar can understand present context and implement accordingly, and the protection scope of the application can not be limited with this.It is all according to the application
Equivalent change or modification made by Spirit Essence should all cover within the scope of protection of this application.
All articles and reference disclosed, including patent application and publication, for various purposes by quoting knot
Together in this.Describing combined term " substantially by ... constitute " should include identified element, ingredient, component or step and reality
Other elements, ingredient, component or the step of the basic novel feature of the combination are not influenced in matter.Using term "comprising" or
" comprising " describes the combination of element here, ingredient, component or step it is also contemplated that substantially by these elements, ingredient, component
Or the embodiment that step is constituted.Here by using term " can with ", it is intended to illustrate that " can with " includes described any
Attribute is all optional.
Multiple element, ingredient, component or step can be provided by single integrated component, ingredient, component or step.Optionally
Ground, single integrated component, ingredient, component or step can be divided into multiple element, ingredient, component or the step of separation.It is used to
The open "a" or "an" for describing element, ingredient, component or step is not intended to exclude other elements, ingredient, component
Or step.
It should be understood that above description is to illustrate rather than to be limited.By reading above-mentioned retouch
It states, many embodiments and many applications except provided example all will be aobvious and easy for a person skilled in the art
See.Therefore, the range of this introduction should not be determined referring to foregoing description, but should referring to appended claims and this
The full scope of the equivalent that a little claims are possessed determines.For comprehensive purpose, all articles and with reference to including special
The disclosure of benefit application and bulletin is all by reference to being incorporated herein.Theme disclosed herein is omitted in preceding claims
Any aspect is not intended to abandon the body matter, also should not be considered as applicant the theme is not thought of as it is disclosed
Apply for a part of theme.
Claims (14)
1. a kind of measuring device of land survey data characterized by comprising gravimeter and positioned at the gravimeter bottom
Balancing device, the balancing device is for stablizing the gravimeter；
The gravimeter has shell, and the enclosure interior is equipped with: three-component gravity sensor, three-component attitude transducer and
Three-component magnetometric sensor；
The position of the three-component gravity sensor, the three-component attitude transducer and the three-component magnetometric sensor is not total
Two in line and at least described three-component gravity sensor, the three-component attitude transducer and the three-component magnetometric sensor
A sensor is in same level；
The three-component gravity sensor, three-component attitude transducer and three-component magnetometric sensor with 32,9 channel modulus
Conversion, data storage circuitry are electrically connected, and 32,9 channel analog-to-digital conversion, data storage circuitry are used for the sensor
Output signal amplifies signal, analog-to-digital conversion and data storage.
2. a kind of measuring device of land survey data as described in claim 1, which is characterized in that the three-component gravity passes
Sensor, the three-component attitude transducer and the three-component magnetometric sensor are located in same level.
3. a kind of measuring device of land survey data as described in claim 1, which is characterized in that the balancing device packet
Include: base platform and pedestal, the pedestal are set to the lower section of the base platform；
The base platform is equipped with level meter and compass, and the pedestal can show inclining for the gravimeter according to the level meter
Oblique degree adjusts the gravimeter, and the compass is used to determine the orientation of the measuring device.
4. a kind of measuring device of land survey data as claimed in claim 3, which is characterized in that the pedestal is specially three
Foot prop, for the tripod tool there are three bracket, each bracket can change length.
5. a kind of measuring device of land survey data as claimed in claim 2, which is characterized in that the three-component gravity passes
Sensor includes: the first pedestal, be fixedly mounted on the first fixing body in the first pedestal, be set in outside first fixing body first
Shell is threadedly coupled between first shell and first pedestal, and first fixing body at least has there are three adjacent
Side is equipped with X-axis gravity sensitive module, Y-axis gravity sensitive module, Z on three adjacent sides of first fixing body
Axis gravity sensitive module, the X-axis gravity sensitive module, the Y-axis gravity sensitive module and the Z axis gravity sensitive module it
Between it is mutually orthogonal two-by-two.
6. a kind of measuring device of land survey data as claimed in claim 2, which is characterized in that the three-component magnetic force passes
Sensor includes: the second pedestal, be fixedly mounted on the second fixing body in the second pedestal, be set in outside second fixing body second
Shell is threadedly coupled between the second housing and second pedestal, and second fixing body at least has there are three adjacent
Side is equipped with X-axis magnetic force sensing module, Y-axis magnetic force sensing module, Z on three adjacent sides of second fixing body
Axis magnetic force sensing module, the X-axis magnetic force sensing module, the Y-axis magnetic force sensing module and the Z axis magnetic force sensing module it
Between it is mutually orthogonal two-by-two.
7. a kind of measuring device of land survey data as claimed in claim 2, which is characterized in that the three-component posture passes
The third that sensor includes: third pedestal, is fixedly mounted on third fixing body in third pedestal, is set in outside the third fixing body
Shell is threadedly coupled between the third shell and the third pedestal, and the third fixing body at least has there are three adjacent
Side is equipped with X-axis posture sensing module, Y-axis posture sensing module, Z on three adjacent sides of the third fixing body
Axis posture sensing module, the X-axis posture sensing module, the Y-axis posture sensing module and the Z axis posture sensing module it
Between it is mutually orthogonal two-by-two.
8. a kind of measuring device of land survey data as described in claim 1, which is characterized in that further include: instruction device,
The instruction device is used to show the working condition of each component of the measuring device.
9. the processing method of a kind of pair of survey data, which is characterized in that the treating method comprises following steps:
Receive the first gravimetric data of three-component gravity sensor measurement, the first magnetic data of three-component magnetometric sensor measurement
With the attitude data of three-component attitude transducer measurement；
First gravimetric data is obtained into the second gravimetric data in conjunction with the attitude data, first magnetic data is combined
The attitude data obtains the second magnetic data；
Second gravimetric data and second magnetic data are transformed into same datum level, obtain the third of same level
Gravimetric data and third magnetic data；
Rock related with stratum gravity property is extracted after third gravimetric data is handled by forward modeling and Inversion Calculation
Or density of earth formations parameter, it is extracted after third magnetic data is handled by forward modeling and Inversion Calculation and stratum magnetic properties
Related rock or the magnetic parameter on stratum；
By the third gravimetric data of treated two neighboring measuring point according to the horizontal component difference between two o'clock divided by between two o'clock
Horizontal distance calculate horizontal gravity gradient value, and then form horizontal gradient of gravity according to all horizontal gravity gradient values
Two horizontal gravity gradient components in；
By the third magnetic data of treated two neighboring measuring point according to the horizontal component difference between two o'clock divided by between two o'clock
Horizontal distance calculate horizontal magnetic force gradient value, form magnetic force level gradients according to all horizontal magnetic force gradient relative values
Two horizontal magnetic force gradient components in；
Based on two in the rock related with stratum gravity property or density of earth formations parameter, the horizontal gravity gradient field
Horizontal gravity gradient component carries out inversion imaging, obtains the rock below measuring point in radial extension or density of earth formations Distribution value rule
Rule；
Based on two in the rock related with stratum magnetic properties or stratum magnetic parameter, the horizontal magnetic force gradient fields
Horizontal magnetic force gradient component carries out inversion imaging, obtains rock or the stratum magnetism regularity of distribution below measuring point in radial extension.
10. the processing method of survey data as claimed in claim 9, which is characterized in that first gravimetric data includes the
One horizontal gravity component, the first vertical gravitational component, first magnetic data includes first level magnetic force component, first vertical
Magnetic force component；Second gravimetric data includes the second horizontal gravity component, the second vertical gravitational component, the second magnetic force number
According to including the second horizontal magnetic force component, the second vertical magnetic force component；The third gravimetric data include third horizontal gravity component,
Third vertical gravitational component, the third magnetic data include third horizontal magnetic force component, third vertical magnetic force component.
11. the processing method of survey data as claimed in claim 10, which is characterized in that described by first gravimetric data
The second gravimetric data is obtained in conjunction with the attitude data, first magnetic data is obtained into the second magnetic in conjunction with the attitude data
In the step of force data, comprising:
First gravimetric data and first magnetic data are rotated into the position that inclination angle is zero degree, make gravity and magnetic force
Vertical component becomes parallel with first level magnetic force component perpendicular to ground level, two mutually orthogonal first level weight components
In ground level；
According to the azimuth of measuring point by after the rotation correction the first gravimetric data and the first magnetic data rotate to azimuth
For the position of zero degree, two horizontal components of gravity and magnetic force is made to become a horizontal component north-south, another level point
Amount is East and West direction, and vertical component is still maintained perpendicular to level ground.
12. the processing method of survey data as claimed in claim 10, which is characterized in that described by first gravimetric data
The second gravimetric data is obtained in conjunction with the attitude data, first magnetic data is obtained into the second magnetic in conjunction with the attitude data
In the step of force data, comprising:
First gravimetric data and first magnetic data are rotated into the position that inclination angle is zero degree, make gravity and magnetic force
Vertical component becomes parallel with first level magnetic force component perpendicular to ground level, two mutually orthogonal first level weight components
In ground level；
According to the azimuth of measuring point by after the rotation correction the first gravimetric data and the first magnetic data rotate to geologic body
Trend or set profile direction make to be parallel to geologic body trend or set section side by a horizontal component after rotation processing
To, another horizontal component then perpendicular to geologic body trend or profile direction and parallel to the ground, and vertical component still maintains
Perpendicular to level ground.
13. the processing method of survey data as claimed in claim 9, which is characterized in that described by second gravimetric data
The step of being transformed into same datum level with second magnetic data include: to second gravimetric data carry out elevation improve and
Landform is improved, and carries out elevation improvement to second magnetic data, obtains the third gravimetric data and described the of same datum level
Three magnetic datas.
14. the processing method of survey data as claimed in claim 9, which is characterized in that described heavy with stratum based on described
Two horizontal gravity gradient components in the related rock of power property or density of earth formations parameter, the horizontal gravity gradient field carry out
Inversion imaging obtains in the step of the rock or density of earth formations Distribution value rule below measuring point in radial extension, and rock or stratum are close
Angle value is calculated by following equation:
ρAve=(F- △ g/ △ z)/4 π G
Wherein, △ g indicates the gravity difference between any two measuring point, unit mGal；△ z indicate any two measuring point between away from
From unit m；ρAveFor the pitch density between any two measuring point, unit is gcm-3；F is free air effect coefficient；G is
Gravitational constant.
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