CN202710745U - Hypocentre positioning system - Google Patents
Hypocentre positioning system Download PDFInfo
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- CN202710745U CN202710745U CN 201220217522 CN201220217522U CN202710745U CN 202710745 U CN202710745 U CN 202710745U CN 201220217522 CN201220217522 CN 201220217522 CN 201220217522 U CN201220217522 U CN 201220217522U CN 202710745 U CN202710745 U CN 202710745U
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- hypocentre
- shock wave
- positioning system
- wave receiving
- electromagnetic pulse
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- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
The utility model discloses a hypocentre positioning system. A nuclear electromagnetic pulse signal is transmitted to a signal processing unit. The signal processing unit is connected with a sensor array unit through a signal transmission line. The sensor array unit comprises no less than three shock wave receiving sensor arrays. In the above way, the hypocentre positioning system provided by the utility model carries out single station automatic hypocentre positioning, accurately calculates the coordinates of a hypocentre, and has the advantages of less detection error and high positioning accuracy.
Description
Technical field
The utility model relates to quick-fried heart field of detecting, particularly relates to a kind of hypocentre positioning system.
Background technology
The monitoring burst period, situation is infected with for estimating instantaneous situation, prediction ground and the air radioactive injured in the hypocentre position, provides foundation for planning the suggestion of attack consequence management.
Bearing circle, dynamo-electric angular instrument angle measurement are adopted in former single station.The angle-measuring equipment of these models must personnel operate, adopt during range observation take nuclear electromagnetic pulse time of arrival as the nuclear blast time, take shock wave time of arrival as shock wave working time, and by survey shock wave calculate time of arrival the quick-fried heart apart from the time, need consider the impact of the factors such as wind direction, wind speed, temperature, air pressure, atmosphere heterogeneity, to revise the shock wave travelling speed, the real impact wave velocity is theoretical value, so distance error is larger.Singly stand in and use the pole span method that hypocentre is located under the condition of known angle and distance.The erect-position of multistation adopts GPS or dipper system location, uses the dynamo-electric angular instrument three stations method that crosses to locate.
The utility model content
The technical matters that the utility model mainly solves provides a kind of hypocentre positioning system that can accurately calculate the hypocentre elements of a fix.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of hypocentre positioning system is provided, comprise: sensor array element, the electromagnetic pulse receiving element, signal processing unit, described nuclear explosion produces nuclear electromagnetic pulse, described electromagnetic pulse receiving element receives described nuclear electromagnetic pulse signal, and the nuclear electromagnetic pulse signal is passed to signal processing unit, described signal processing unit is connected with described sensor array element by signal transmssion line, and described sensor array element comprises more than or equal to 3 shock wave receiving sensor arrays and forming.
In preferred embodiment of the utility model, describedly be monostatic sounding blast origination point.
In preferred embodiment of the utility model, described signal transmssion line is cable.
In preferred embodiment of the utility model, described shock wave receiving sensor array comprises rectangular array, annular array.
In preferred embodiment of the utility model, evenly be laid with more than or equal to 3 shock wave receiving sensors in the shock wave receiving sensor array.
In preferred embodiment of the utility model, be laid with in the described rectangular array more than or equal to 4 shock wave receiving sensors.
The beneficial effects of the utility model are: the utility model hypocentre positioning system is not affected by visibility for full-automatic hypocentre location, single station, detection range is far away, accurately calculates the coordinate of hypocentre, and detecting error is little, and bearing accuracy is higher.
Description of drawings
Fig. 1 is that the utility model hypocentre positioning systems is unified the structural representation of preferred embodiment;
The mark of each parts is as follows in the accompanying drawing: 1, sensor array element, 2, the electromagnetic pulse receiving element, 3, signal processing unit, 4, cable, 5, the shock wave receiving sensor.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be it will be appreciated by those skilled in the art that protection domain of the present utility model is made more explicit defining.
See also Fig. 1, the utility model embodiment comprises:
A kind of hypocentre positioning system comprises: sensor array element 1, electromagnetic pulse receiving element 2, signal processing unit 3.
Described nuclear explosion produces nuclear electromagnetic pulse, described electromagnetic pulse receiving element 2 receives described nuclear electromagnetic pulse signal, and the nuclear electromagnetic pulse signal is passed to signal processing unit 3, described signal processing unit 3 is connected with described sensor array element 1 by cable 4.
Described sensor array element 1 comprises that described shock wave receiving sensor 5 arrays comprise rectangular array, annular array more than or equal to 3 shock wave receiving sensor 5 arrays compositions.The utility model is uniform more than or equal to 3 shock wave receiving sensors 5 in diameter is the annular array of 3m, be laid with in the described rectangular array more than or equal to 4 shock wave receiving sensors 5, can set according to service condition the size of circle, also can set the array that shock wave receiving sensor 5 forms different structure according to specific requirement.
Interocclusal record when described signal processing unit 3 reaches the ripple of nuclear electromagnetic pulse time of arrival (toa) and each shock wave receiving sensor 5, time all is accurate to 1us, shock motion speed is equivalent to velocity of sound, so about 0.34mm of 1us, if the about 0.34mm of about 5882us resolution of the actual time spent of 2m distance between the shock wave receiving sensor 5, utilize the ripple of nuclear electromagnetic pulse time of arrival (toa) and each shock wave receiving sensor 5 to reach the mistiming, and in conjunction with the coordinate in the three-dimensional system of coordinate of each shock wave receiving sensor 5, accurately calculate the coordinate of hypocentre by mathematical algorithm.
The nuclear electromagnetic pulse time of arrival (toa) also produces constantly for blast, and nuclear electromagnetic pulse speed is identical with the light velocity, thus 10km 33us time of arrival, and shock wave time and velocity of sound are suitable, and 33us is equivalent to shock wave range ability 11.22mm, and error can be ignored.
Defining known nuclear electromagnetic pulse time of arrival (toa) is t, and it is t that the ripple of each shock wave receiving sensor 5 reaches the time
i, the coordinate of described shock wave receiving sensor 5 is (X
Si, Y
Si, Z
Si).The coordinate of the quick-fried heart is (X, Y, Z) in the blast generating unit of definition the unknown; Definition v is for impacting velocity of wave propagation.
Coordinate (the X of described shock wave receiving sensor 5
Si, Y
Si, Z
Si) be initial setting coordinate or measurement coordinate, the ripple of nuclear electromagnetic pulse time of arrival (toa) t and each shock wave receiving sensor 5 reaches time t
iBe the actual measurement time, adopt process of iteration to calculate.
Sensor array element 1 comprises 3 shock wave receiving sensors 5, can consider the impact of the factors such as nuclear blast equivalent, wind direction, wind speed, temperature, air pressure, atmosphere heterogeneity, revise the shock wave travelling speed, take this speed as known number v, the algorithmic formula of hypocentre location is
=v(t
i-t), wherein i is respectively 1,2,3, sets up three equations, and the solving equation group gets X, Y, the value of Z namely calculates the coordinate of the quick-fried heart in the blast generating unit.
When shock motion speed is selected measured data, described v is unknown speed, sensor array element 1 need to comprise more than or equal to 4 shock wave receiving sensors 5, and the utility model is take 4 shock wave receiving sensors 5 as example, and the algorithmic formula of hypocentre location is
=v(t
i-t), wherein i is respectively 1,2,3,4, sets up four equations, and the solving equation group gets v, X, Y, the value of Z namely calculates the coordinate of the quick-fried heart in the blast generating unit.
Solution is as follows: establish: initial position is (X
k, Y
k, Z
k), Δ X=X-X
k, Δ Y=Y-Y
k, Δ Z=Z-Z
k, Δ t=t-t
k,
ρ
i=
，
ρ
i0=
。
With formula
=v(t
i-t), i=1,2,3,4 wherein.Launch by Taylor's formula at initial position, and be taken to once item:
If A=
Then (3) become:
A
=
（4）
Therefore (4) can separate and be:
Reach the time if there is shock wave receiving sensor 5 more than five to obtain ripple, then can use the least square method optimization solution.At this moment A becomes:
A=
According to the principle of least square, can get:
The solution of nonlinear equations that the hypocentre ranging formula is set up comprises Newton method, method of steepest descent.Newton method has convergence soon, the simple advantage of form.When the iteration initial value fully near the time, be quadratic convergence, but initial value had relatively high expectations, the method for steepest descent convergence is good, speed of convergence is slower, the Chang Xianyong method of steepest descent is tried to achieve preferably approximate value, then continues to find the solution with Newton method.
The utility model hypocentre positioning system is not affected by visibility to full-automatic hypocentre location, single station, detection range is far away, utilizes known conditions, uses mathematical algorithm to calculate the coordinate of hypocentre, and detecting error is little, and bearing accuracy is higher.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model instructions and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (5)
1. hypocentre positioning system, it is characterized in that, comprise: sensor array element, electromagnetic pulse receiving element, signal processing unit, nuclear explosion produce nuclear electromagnetic pulse, described electromagnetic pulse receiving element receives described nuclear electromagnetic pulse signal, and the nuclear electromagnetic pulse signal is passed to signal processing unit, described signal processing unit is connected with described sensor array element by signal transmssion line, and described sensor array element comprises more than or equal to 3 shock wave receiving sensor arrays and forming.
2. hypocentre positioning system according to claim 1 is characterized in that, described signal transmssion line is cable.
3. hypocentre positioning system according to claim 1 is characterized in that, described shock wave receiving sensor array comprises rectangular array, annular array.
4. hypocentre positioning system according to claim 3 is characterized in that, evenly is laid with more than or equal to 3 shock wave receiving sensors in the shock wave receiving sensor array.
5. hypocentre positioning system according to claim 3 is characterized in that, is laid with in the described rectangular array more than or equal to 4 shock wave receiving sensors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220217522 CN202710745U (en) | 2012-05-16 | 2012-05-16 | Hypocentre positioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220217522 CN202710745U (en) | 2012-05-16 | 2012-05-16 | Hypocentre positioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202710745U true CN202710745U (en) | 2013-01-30 |
Family
ID=47591033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220217522 Expired - Lifetime CN202710745U (en) | 2012-05-16 | 2012-05-16 | Hypocentre positioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202710745U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108072305A (en) * | 2017-12-07 | 2018-05-25 | 西安近代化学研究所 | Position of explosion center device |
-
2012
- 2012-05-16 CN CN 201220217522 patent/CN202710745U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108072305A (en) * | 2017-12-07 | 2018-05-25 | 西安近代化学研究所 | Position of explosion center device |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130130 |