CN106324690A - Ground geomagnetic data intuitive color block processing method based on reference equivalent weight - Google Patents
Ground geomagnetic data intuitive color block processing method based on reference equivalent weight Download PDFInfo
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- CN106324690A CN106324690A CN201610646677.1A CN201610646677A CN106324690A CN 106324690 A CN106324690 A CN 106324690A CN 201610646677 A CN201610646677 A CN 201610646677A CN 106324690 A CN106324690 A CN 106324690A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/38—Processing data, e.g. for analysis, for interpretation, for correction
Abstract
The present invention discloses a ground geomagnetic data intuitive color block processing method based on a reference equivalent weight. The method is applied in the technical field of ground geomagnetic bathymetry data processing. The method aims to overcome the defects in the existing ground geomagnetic bathymetry data inversion processing. The method can dynamically establish a reference equivalent weight to process the original data, and convert the data into different color blocks to visually display geological information including geological profile, fault structure, mineral location form or stratum information.
Description
A kind of magnetotelluric data based on reference equivalent color lump processing method directly perceived
Technical field
The present invention relates to the technical field that magnetotelluric sounding method data process, specifically a kind of based on reference equivalent
Magnetotelluric data color lump directly perceived processing method.
Background technology
Magnetotelluric sounding method belongs to a kind of important method of geophysical exploration, and it is that the geological one of research is the most straight
The method connect, obtains the extensive application of numerous investigation and prospecting person.But varied to the processing mode of field acquisition to data:
Curve explicit representation, contour graphic record, measuring point pattern arrangement method, rip cutting profile method and crosscutting profile method etc., but whether
Carry out the inversion interpretation of geological information by what method above, all there are many solutions or different people's explanation results falls far short,
The biggest problem is differed with actual geological condition.
Summary of the invention
Shortcoming in it is an object of the invention to overcome current magnetotelluric sounding method data inversion to process, and propose one
The method kind using dynamic creation reference equivalent value processes initial data, and is converted into different color block and shows intuitively
Geological information: geologic section, fault tectonic, mineral products position form or formation information etc., it is characteristic of the invention that in physical prospecting inverting
Shi Zhiguan, unique, the result of same person or different people's invertings is the same, there is not the phenomenon of multiple explanation results.
The present invention provides data inversion technological treatment as described below, and step is as follows.
Step 1), the geophysical prospecting equipment of operation to be used for, is placed near known geotechnical boring, repeatedly tests, and utilizes
The collection data obtained, try to achieve the degree of depth equivalent value in sampling depth, are designated as S0, S1, S2 respectively ... Sm(set this type instrument this
It is m rice that operation arranges investigation depth, and the span of m is 16-10000).
Step 2) will obtain in this physical prospecting operation whole through simply dealt field data collection through mathematical conversion
Total yield value K of collection point.
Step 3) is obtained the equivalent value of each collection point respectively and is designated as K1, K2, K3 ... Kn(sets this subjob and has n and adopt
Collection point).
Step 4) will above calculate obtained by Sh, K and Kh as reference equivalent (h is vertical depth, and unit is rice, under
With).
Step 5) is according to formula: Xh=(Ch-K+P) × Kh ÷ Sh calculates the sampling depth of each collection point respective depth
Equivalent value, in formula, Ch represents the instrument collection data of the h degree of depth；P is a fixed value or claims empirical value, and span is 0-255,
The effect that adjustable is published picture, can be according to personal habits depending on, but every subjob can only be by a fixed value.
The above numerical value Xh the most relevant to reference equivalent is processed into the reference format required for Inversion Software, shape by step 6)
Become the two-dimentional or three-dimensional result map of physical prospecting.
Step 1) is to 6) in the collection data that are previously mentioned refer to be passed by mt (MT) magnetic field sensor or electric field
Sensor and any number that can reflect detected formation information that collects.
Formula in step 5) is example, can comprise other similar formula, such as: the difference of two squares, square root, evolution etc.
Hybrid operation.
Inversion Software in step 6) refers to the geology letter of popular general geological messaging software or oneself exploitation
Breath Graphics Software.
Accompanying drawing explanation
Fig. 1 is the step block diagram of the inventive method.
Fig. 2 is " to see " solution cavity arrived and karst collapse district in the inventive method embodiment 1.
Fig. 3 is " to see " fault plane arrived in the inventive method embodiment 1.
Detailed description of the invention
Below in conjunction with embodiment accompanying drawing, the inventive method is described in further detail.
It is an object of the invention to by each described step to collection in worksite to data process, deep according to difference
The size of degree geological information numerical value carries out coloring treatment, and color method is that identical value or proximity values give identical color code,
Thus generate log sheet.So geologist just " can see " tomography structure intuitively when taking physical prospecting result map
Make, stratigraphic dip, solution cavity, various Ore body morphology etc..
The present embodiment be the present invention for detecting architectonic embodiment, a kind of mt based on reference equivalent
The step of data color lump directly perceived processing method, includes as shown in Figure 1.
Step 1), the geophysical prospecting equipment of operation to be used for, is placed on by the geotechnical boring near operating area, carries out once
Or repeatedly detect, utilize the collection data obtained, utilize data acquisition and control module A to try to achieve the degree of depth equivalent in sampling depth
Value, is designated as S0, S1, S2 ... it is 300 meters that this example of S300(arranges investigation depth respectively).
Step 2) utilize data acquisition and control module A will through simply dealt field data collection through mathematical conversion,
Obtain total yield value K of whole collection points in this physical prospecting operation.
Step 3) utilizes remote or near reference process module B and calculating reference equivalent module C to obtain each collection point respectively
Equivalent value be designated as K1, K2, K3 ... this example operation of K20(has 20 collection points).
Step 4) will above calculate obtained by Sh, K and Kh as reference equivalent (h is vertical depth, and unit is rice, under
With).
Step 5) utilizes frequency translation depth module D, deep conversion frequency module E, color lump sheet disposal module F to carry out phase
The process answered, further according to formula: Xh=(Ch-K+P) × Kh ÷ Sh calculates the sampling depth equivalent of each collection point respective depth
Value, in formula, Ch represents the instrument collection data of the h degree of depth；P is a fixed value or claims empirical value, and span is 0-255, adjustable
The whole effect published picture, in this example, P value is 100.
Step 6), by the above numerical value Xh the most relevant to reference equivalent, utilizes outputting result module G to be processed into inverting soft
Reference format required for part, forms the two-dimentional or three-dimensional result map of physical prospecting.
It is illustrated in figure 2 the inventive method final physical prospecting result map for this example: B shown in figure is that this method processes
After be shown as water-free solution cavity, its buried depth absolute altitude is+1199m-+1226m；A shown in figure is the leakage that this solution cavity top is formed
Bucket-shaped geological form.
It is illustrated in figure 3 the inventive method another physical prospecting result map for the present embodiment: A shown in figure is at this method
The geological form of tomography section is shown after reason.
Particular embodiments described above, is to have carried out present disclosure, method and effect the most specifically
It is bright, it should be understood that: the foregoing is only the specific embodiment of the present invention, be not limited to the present invention, all at this
Within bright spirit and principle, any modification, equivalent substitution and improvement etc. done, should be included in protection scope of the present invention
Within.
Claims (5)
1. magnetotelluric data based on a reference equivalent color lump processing method directly perceived, it is characterised in that including:
Modules A: data acquisition and control module to collection in worksite to packet and dump to the data file on computer,
Carry out the process of relevant equivalent value；
Module B: the data that remote reference or nearly reference are collected by remote or near reference process module process；
Module C: calculate reference equivalent module and calculate current work institute according to field data+remote reference data or nearly reference data
The reference equivalent needed, including total yield value K, degree of depth equivalent value Sm and collection point equivalent value Kn, for module D, module E and
Calling of module F；
Module D: frequency translation depth module is depth value according to the principle of magnetotelluric sounding method corresponding frequency translation；
Module E: deep conversion frequency module is converted into frequency according to the principle of magnetotelluric sounding method corresponding depth value
Value；
Module F: the numerical value of the respective depth that color lump sheet disposal module collects magnetotelluric sounding method by with benchmark
Equivalent carries out calculating and comparison, and the color table forming a new numerical value Xh and the storage of color lump list carries out control treatment；
Module G: outputting result module exports the physical prospecting result map that the inventive method is obtained.
A kind of magnetotelluric data based on reference equivalent color lump processing method directly perceived the most according to claim 1, it is special
Levy and be: described method comprises the steps of
1) the geophysical prospecting equipment of operation to be used for, it is placed near known geotechnical boring, repeatedly detects, utilize obtain to adopt
Collection data, try to achieve the degree of depth equivalent value in design sampling depth, are designated as S0, S1, S2 respectively ... Sm(sets this type instrument and arranges detection
The degree of depth is m rice, and the span of m is 16-10000))；
2) whole collection points in this physical prospecting operation will be obtained through simply dealt field data collection through mathematical conversion
Total yield value K；
3) equivalent value obtaining each collection point respectively is designated as K1, K2, K3 ... Kn(sets this subjob and has n collection point)；
4) Sh, K and the Kh obtained by calculating above is as reference equivalent (h is vertical depth, and unit is rice, lower with)；
5) according to formula: Xh=(Ch-K+P) × Kh ÷ Sh calculates the sampling depth equivalent value of each collection point respective depth, public
In formula, Ch represents the instrument collection data of the h degree of depth；P is a fixed value or claims empirical value, and span is 0-255, and adjustable goes out
The effect of figure, can be according to personal habits depending on, but every subjob can only use same fixed value；
6) the above numerical value Xh the most relevant to reference equivalent is processed into the reference format required for Inversion Software, forms physical prospecting two
Dimension or three-dimensional result map.
A kind of magnetotelluric data based on reference equivalent color lump processing method directly perceived the most according to claim 2, it is special
Levy and be: step 1) to 6) in the collection data that are previously mentioned, only refer to by mt (MT) magnetic field sensor or greatly
Electromagnetism (MT) electric-field sensor, also or magnetic field sensor electric-field sensor both with and reflecting of collecting is detected ground
Any number of layer information.
A kind of magnetotelluric data based on reference equivalent color lump processing method directly perceived the most according to claim 2, it is special
Levying and be: the formula in described step 5): Xh=(Ch-K+P) × Kh ÷ Sh is example, can comprise other similar formula,
As: the hybrid operation of the difference of two squares, square root, evolution etc..
A kind of magnetotelluric data based on reference equivalent color lump processing method directly perceived the most according to claim 2, it is special
Levy and be: the Inversion Software in described step 6) refers to popular general geological messaging software or the geology of oneself exploitation
Information graphic display software.
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