CN106597376A - Method for detecting and positioning position of shooter - Google Patents
Method for detecting and positioning position of shooter Download PDFInfo
- Publication number
- CN106597376A CN106597376A CN201611143124.0A CN201611143124A CN106597376A CN 106597376 A CN106597376 A CN 106597376A CN 201611143124 A CN201611143124 A CN 201611143124A CN 106597376 A CN106597376 A CN 106597376A
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- CN
- China
- Prior art keywords
- shock wave
- ejaculator
- detecting
- microphone array
- thorax mouth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/18—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using ultrasonic, sonic, or infrasonic waves
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
The invention discloses a method for detecting and positioning the position of a shooter. The method includes the following steps: a sensor array 3 receiving a muzzle wave 1 and a shock wave 2 generated when a rifle shoots, the shock wave 2 being transmitted at sound wave after a bullet flies a preset distance; obtaining the distance between the position of the sensor array 3 and the position where the rifle shoots by using the following formula: r=c TT-J/1-cos (AOA), wherein AOA is the intersected angle between a direction vector of the shock wave 2 and the direction vector of the muzzle wave 1, TT-J is the difference between times when the shock wave 2 and the muzzle wave 1 separately arrive at sensor array 3, c is the velocity at which sound propagates, and r is the distance between the position of the sensor array 3 and the position where the rifle shoots. The method overcomes the inability of locating a hidden shooter of prior art, facilitates quick finding of the shooter and enables fast positioning of the shooter for staging counterfight.
Description
Technical field
The present invention relates to the positioning of ejaculator position, in particular it relates to the detecting and positioning method of ejaculator position.
Background technology
In the present case, well-equipped, well-trained ejaculator is with its surreptitious whereabouts and efficient killing-efficiency
Others' life is threaten, the tactics of shooting have good concealment, and flexibly, killing-efficiency is high, often unexpected for tactics
When and where attacked.
Ejaculator is found for convenience, helps soldier quickly to position and hit back the position of ejaculator, to ensureing scholar
Soldier's life is significant.
The content of the invention
It is an object of the invention to provide a kind of detecting and positioning method of ejaculator position, the Detection location of the ejaculator position
Method overcomes the problem of the person that cannot find hidden shooting telescopic of the prior art, facilitates and is quickly found out ejaculator, and to shooting
Quickly positioning hits back again for the position of person.
To achieve these goals, the invention provides a kind of detecting and positioning method of ejaculator position, the ejaculator position
The detecting and positioning method put includes：Microphone array receives the thorax mouth ripple and shock wave produced during riflery, and the shock wave is
Sent with the velocity of sound after bullet flight predeterminable range；Microphone array position and rifle are calculated by equation below
The distance between shooting position：R=cTT-J/1-cos(AOA)；Wherein, AOA is the direction vector and thorax mouth ripple of shock wave
The angle of direction vector；TT-JFor the time that the shock wave and the thorax mouth ripple arrive at respectively the microphone array position
Difference；C is sound propagation velocity；R is the distance between microphone array position and riflery position.
Preferably, the microphone array includes the positive tetrahedron battle array that four microphone array elements are constituted, according to thorax mouth
, to the path difference of each array element, and the structure with reference to the positive tetrahedron battle array carries out side to the thorax mouth ripple or shock wave for ripple or shock wave
To.
Preferably, during carrying out to the thorax mouth ripple or shock wave laterally, the side for referring to north is provided by electronic compass
To.
Preferably, the data of the direction vector of measured shock wave and the angle of thorax mouth ripple direction vector are sent at signal
Reason unit is processed, to calculate the distance between microphone array position and riflery position.
Preferably, the method also includes：
The distance between the microphone array position for calculating and riflery position are sent to display
Terminal is shown.
Preferably, the display terminal is watch.
By above-mentioned embodiment, the bullet shock wave and thorax mouth waveform produced when firing to Supersonic sound bullet is carried out point
Analysis, time difference using shock wave and thorax mouth ripple direction of arrival and between the two carries out distance exam.The method can help scholar
Soldier is to the quick positioning of sniper and hits back, significant for guarantee soldier's life and construction of military informatization.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Description of the drawings
Accompanying drawing is, for providing a further understanding of the present invention, and to constitute the part of description, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is that a kind of calculating of the detecting and positioning method of the ejaculator position of the specific embodiment for illustrating the present invention is illustrated
Figure.
Description of reference numerals
The shock wave of 1 thorax mouth ripple 2
3 microphone arrays
Specific embodiment
The specific embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The specific embodiment stated is merely to illustrate and explains the present invention, is not limited to the present invention.
The present invention provides a kind of detecting and positioning method of ejaculator position, the detecting and positioning method bag of the ejaculator position
Include：
Microphone array 3 receives the thorax mouth ripple 1 and shock wave 2 produced during riflery, and the shock wave 2 is that bullet flight is pre-
If being sent with the velocity of sound after distance；
The distance between the position of microphone array 3 and riflery position are calculated by equation below：
R=cTT-J/1-cos(AOA)；
Wherein, AOA is the direction vector of shock wave 2 and the angle of the direction vector of thorax mouth ripple 1；TT-JFor the shock wave 2 and described
Thorax mouth ripple 1 arrives at respectively the time difference of the position of the microphone array 3；C is sound propagation velocity；R is microphone array 3
The distance between position and riflery position.
Thorax mouth ripple 1 and shock wave 2 can be produced during riflery.
M=v/c (1)
$=arcsin (1/M) (2)
The thorax mouth ripple 1 that microphone array 3 is received is directly from ejaculator position, the arrival time of thorax mouth ripple 1.Ejaculator away from
It is r from display terminal position linear position；
The arrival time of thorax mouth ripple 1 is
TT=r/c (3)
And the shock wave 2 for receiving is after bullet flight X distances, to be propagated through what is come from P points with the velocity of sound, and prior to thorax mouth
Ripple 1 is arrived at, shock wave 2 arrive at the time required to for after bullet flight x rice, then with the velocity of sound from P points to the time sum of S points；
TJ=r/v+b/ccos Φ (4)
Thorax mouth ripple 1 is poor with the arrival time of shock wave 2 to be：
TT-J=r/v+b/ccos Φ-r/c (5)
AOA is the angle of shock wave 2 and the direction of arrival of thorax mouth ripple 1.As shown in figure 1, by geometric knowledge：
X=rsin (AOA)/cos $ (6)
B=rsin (90- $-AOA) (7)
By (1), (2), (6), (7),
Understand r=c TT-J/1-cos(AOA) (8)
As shown in figure 1, the bullet shock wave 2 that produces when firing to Supersonic sound bullet of the present invention and the waveform of thorax mouth ripple 1 are carried out point
Analysis, time difference using shock wave 2 and the direction of arrival of thorax mouth ripple 1 and between the two carries out distance exam.AOA is shock wave 2 and thorax
The angle of the mouth direction vector of ripple 1, can have microphone array to measure after shock wave 2 and the direction of arrival of thorax mouth ripple 1, be calculated.TT-JFor
Two ripples arrive at the time difference at moment, it is also possible to which the data estimation received by microphone draws.So only it is to be understood that thorax mouth ripple 1 with swash
The direction of arrival of ripple 2 and the time difference that both arrive at, it is possible to calculate ejaculator to the distance of point of observation.
In a kind of specific embodiment of the present invention, the microphone array 3 includes four microphone array element institute groups
Into positive tetrahedron battle array, according to the path difference of thorax mouth ripple 1 or shock wave 2 to each array element, and with reference to the knot of the positive tetrahedron battle array
Structure is carried out laterally to the thorax mouth ripple 1 or shock wave 2.
Using the path difference of sound source to each array element, associative array geometry carries out direction finding to sound source.Using electronics sieve
Disk carries out north pointer direction as reference.
In this kind of embodiment, during carrying out to the thorax mouth ripple 1 or shock wave 2 laterally, by electronic compass
Offer refers to the direction in north.
In a kind of specific embodiment of the present invention, by the direction vector of measured shock wave 2 and the direction of thorax mouth ripple 1 to
The data of the angle of amount are sent into signal processing unit and are processed, and are penetrated with calculating the position of microphone array 3 and rifle
Hit the distance between position.
By above-mentioned embodiment, can be by the direction vector of measured shock wave 2 and the folder of the direction vector of thorax mouth ripple 1
The data at angle are sent into signal processing unit and are processed.
Display terminal is given by the distance and bearing data for measuring, numerical monitor is carried out and is reached constantly monitoring objective data
Purpose.
In a kind of specific embodiment of the present invention, the method also includes：
The distance between the position of microphone array 3 for calculating and riflery position are sent to display
Terminal is shown.
In this kind of embodiment, the display terminal is watch.
By above-mentioned embodiment, to the quick positioning of ejaculator and can hit back, to ensureing soldier's life and army
Team's informatization is significant.Soldier can be accurately positioned the position of ejaculator, so as to essence by the use to watch
Really find out ejaculator position.Realize overall security protection.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, but, the present invention is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the present invention, various letters can be carried out to technical scheme
Monotropic type, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned specific embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The compound mode of energy is no longer separately illustrated.
Additionally, combination in any can also be carried out between a variety of embodiments of the present invention, as long as it is without prejudice to this
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (6)
1. a kind of detecting and positioning method of ejaculator position, it is characterised in that the detecting and positioning method of the ejaculator position includes：
Microphone array (3) receives thorax mouth ripple (1) and shock wave (2) produced during riflery, and the shock wave (2) flies for bullet
Sent with the velocity of sound after row predeterminable range；
The distance between microphone array (3) position and riflery position are calculated by equation below：
R=cTT-J/1-cos(AOA)；
Wherein, AOA is the direction vector of shock wave (2) and the angle of thorax mouth ripple (1) direction vector；TT-JFor the shock wave (2) and institute
State the time difference that thorax mouth ripple (1) arrives at respectively the microphone array (3) position；C is sound propagation velocity；R is transaudient
The distance between device array (3) position and riflery position.
2. the detecting and positioning method of ejaculator position according to claim 1, it is characterised in that the microphone array
(3) the positive tetrahedron battle array that four microphone array elements are constituted is included, according to thorax mouth ripple (1) or shock wave (2) to each array element
Path difference, and the structure with reference to the positive tetrahedron battle array carries out laterally to the thorax mouth ripple (1) or shock wave (2).
3. the detecting and positioning method of ejaculator position according to claim 2, it is characterised in that to the thorax mouth ripple
(1) or shock wave (2) carry out it is lateral during, the direction for referring to north is provided by electronic compass.
4. the detecting and positioning method of ejaculator position according to claim 1, it is characterised in that by measured shock wave
(2) direction vector is sent into signal processing unit and is processed with the data of the angle of thorax mouth ripple (1) direction vector, to calculate
Go out the distance between microphone array (3) position and riflery position.
5. the detecting and positioning method of ejaculator position according to claim 1, it is characterised in that the method also includes：
The distance between the microphone array for calculating (3) position and riflery position are sent into whole to showing
End is shown.
6. the detecting and positioning method of ejaculator position according to claim 5, it is characterised in that the display terminal is wrist
Table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611143124.0A CN106597376A (en) | 2016-12-13 | 2016-12-13 | Method for detecting and positioning position of shooter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611143124.0A CN106597376A (en) | 2016-12-13 | 2016-12-13 | Method for detecting and positioning position of shooter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106597376A true CN106597376A (en) | 2017-04-26 |
Family
ID=58599000
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611143124.0A Pending CN106597376A (en) | 2016-12-13 | 2016-12-13 | Method for detecting and positioning position of shooter |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06214000A (en) * | 1993-01-21 | 1994-08-05 | Hitachi Zosen Corp | Position detector using acoustic sensor |
| WO2008010272A1 (en) * | 2006-07-19 | 2008-01-24 | Panasonic Electric Works Co., Ltd. | Mobile object position detecting system |
| CN103852746A (en) * | 2014-03-14 | 2014-06-11 | 易美泰克影像技术（北京）有限公司 | Gunshot positioning and orienting device |
| CN103869287A (en) * | 2014-03-14 | 2014-06-18 | 易美泰克影像技术（北京）有限公司 | Gunshot positioning orienting method |
| CN106019266A (en) * | 2016-05-11 | 2016-10-12 | 兰州理工大学 | Gunfire distance determining and projectile velocity measuring method |
-
2016
- 2016-12-13 CN CN201611143124.0A patent/CN106597376A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06214000A (en) * | 1993-01-21 | 1994-08-05 | Hitachi Zosen Corp | Position detector using acoustic sensor |
| WO2008010272A1 (en) * | 2006-07-19 | 2008-01-24 | Panasonic Electric Works Co., Ltd. | Mobile object position detecting system |
| CN103852746A (en) * | 2014-03-14 | 2014-06-11 | 易美泰克影像技术（北京）有限公司 | Gunshot positioning and orienting device |
| CN103869287A (en) * | 2014-03-14 | 2014-06-18 | 易美泰克影像技术（北京）有限公司 | Gunshot positioning orienting method |
| CN106019266A (en) * | 2016-05-11 | 2016-10-12 | 兰州理工大学 | Gunfire distance determining and projectile velocity measuring method |
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Application publication date: 20170426 |
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