[특허]System and method for estimating location of projectile source or shooter location

Mustang Technology Group, L.P.

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특허 상세정보

MyON담기

내보내기 페이스북 공유 트위터 공유 카카오톡 공유

System and method for estimating location of projectile source or shooter location

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01S-013/86
미국특허분류(USC)	342/052; 342/056; 342/067; 342/097; 342/146; 342/147; 367/118; 367/128
출원번호	US-0468620 (2009-05-19)
등록번호	US-8149156 (2012-04-03)
발명자 / 주소	Allred, Rustin W. Bless, Robert R.
출원인 / 주소	Mustang Technology Group, L.P.
대리인 / 주소	Anderson & Levine, LLP
인용정보	피인용 횟수 : 11 인용 특허 : 19

초록

A system for estimating a location of the source of a projectile includes a radar system for transmitting a wave and detecting and providing an indication of a wave reflection from the projectile, an acoustic detection system for detecting and providing an indication of at least one sound associated with the projectile, and circuitry for estimating the location in response to the indication of a wave reflection and the indication of at least one sound.

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1. A system for estimating a location of the source of a projectile, comprising: a radar system for transmitting a wave and detecting and providing an indication of a wave reflection from the projectile;an acoustic detection system for detecting and providing an indication of at least one sound associated with the projectile; andcircuitry for estimating the location in response to the indication of a wave reflection and the indication of at least one sound;wherein the radar system comprises circuitry for transmitting the wave along a boresight lineand further comprising circuitry for providing a set of boresight line-to-projectile distance angles, wherein each boresight line-to-projectile distance angle in the set comprises an angle between the boresight line and a range distance to the projectile at a respective time;wherein the projectile passes along a projectile path; andfurther comprising circuitry for providing a set of projectile path-to-radar location angles, wherein each projectile path-to-radar location angle in the set comprises an angle between the projectile path and a location of the radar system. 2. The system of claim 1 wherein the circuitry for providing a set of projectile path-to-radar location angles is responsive to the set of boresight line-to-projectile distance angles. 3. The system of claim 1 wherein the circuitry for providing a set a projectile path-to-radar location angles provides further in response to at least two distances along the projectile path. 4. The system of claim 1 wherein the circuitry for providing a set a projectile path-to-radar location angles provides further in response to optimizing a cost function. 5. The system of claim 1 wherein the circuitry for providing a set of projectile path-to-radar location angles is responsive to: the set of boresight line-to-projectile distance angles;at least two distances along the projectile path; andoptimizing a cost function. 6. The system of claim 1 wherein the circuitry for estimating estimates the location further in response to the set of projectile path-to-radar location angles. 7. The system of claim 6 and further comprising circuitry for determining a drag coefficient of the projectile in response to a first velocity of the projectile at a first time and a second velocity of the projectile at a second time, wherein the first velocity and the second velocity are determined in response to the radar system. 8. The system of claim 7 wherein the circuitry for determining the drag coefficient is further responsive to more than two velocities. 9. The system of claim 1 and further comprising: a weapon; andapparatus for guiding a firing direction of the weapon in response to the estimated location. 10. The system of claim 1 and further comprising apparatus for presenting a report of the estimated location in a human-comprehensible form. 11. The system of claim 1 wherein the radar system comprises a continuous wave radar system. 12. The system of claim 1: wherein the acoustic detection system is operable to detect the at least one sound in response to either a subsonic projectile or a supersonic projectile; andthe circuitry for estimating the location in response to the indication of a wave reflection is for estimating the location of either the subsonic projectile or the supersonic projectile. 13. The system of claim 1 and further comprising a vehicle, wherein the radar system, the acoustic detection system, and the circuitry for estimating are housed by the vehicle. 14. A system for estimating a location of the source of a projectile, comprising: a radar system for transmitting a wave and detecting and providing an indication of a wave reflection from the projectile;an acoustic detection system for detecting and providing an indication of at least one sound associated with the projectile; andcircuitry for estimating the location in response to the indication of a wave reflection and the indication of at least one sound; andwherein the estimating the location estimates in response to optimizing a cost function. 15. The system of claim 14 wherein the cost function comprises a projectile path-to-radar location angle corresponding to an anticipated location of the projectile along a path at a time when the acoustic detection system detects a launching sound of the projectile. 16. The system of claim 14 and further comprising: a weapon; andapparatus for guiding a firing direction of the weapon in response to the estimated location. 17. The system of claim 14 and further comprising apparatus for presenting a report of the estimated location in a human-comprehensible form. 18. The system of claim 14 wherein the radar system comprises a continuous wave radar system. 19. The system of claim 14: wherein the acoustic detection system is operable to detect the at least one sound in response to either a subsonic projectile or a supersonic projectile; andthe circuitry for estimating the location in response to the indication of a wave reflection is for estimating the location of either the subsonic projectile or the supersonic projectile. 20. The system of claim 14 and further comprising a vehicle, wherein the radar system, the acoustic detection system, and the circuitry for estimating are housed by the vehicle. 21. A method of estimating a location of the source of a projectile, comprising: transmitting a wave and detecting and providing an indication of a wave reflection from the projectile;detecting and providing an indication of at least one sound associated with the projectile; andestimating the location in response to the indication of a wave reflection and the indication of at least one sound;wherein the transmitting step transmits along a boresight line;and further comprising providing a set of boresight line-to-projectile distance angles, wherein each boresight line-to-projectile distance angle in the set comprises an angle between the boresight line and a range distance to the projectile at a respective time;wherein the projectile passes along a projectile path; andfurther comprising providing a set of projectile path-to-radar location angles, wherein each projectile path-to-radar location angle in the set comprises an angle between the projectile path and a location of the radar system. 22. The method of claim 21 wherein the step of providing a set of projectile path-to-radar location angles is responsive to the set of boresight line-to-projectile distance angles. 23. The method of claim 21 wherein the step of providing a set a projectile path-to-radar location angles provides further in response to at least two distances along the projectile path. 24. The method of claim 21 wherein the step of providing a set a projectile path-to-radar location angles provides further in response to optimizing a cost function. 25. The method of claim 21 wherein the step of providing a set of projectile path-to-radar location angles is responsive to: the set of boresight line-to-projectile distance angles;at least two distances along the projectile path; andoptimizing a cost function. 26. The method of claim 21 wherein the step of estimating estimates the location further in response to the set of projectile path-to-radar location angles. 27. The method of claim 21 and further comprising guiding a firing direction of a weapon in response to the estimated location. 28. The method of claim 21 and further comprising presenting a report of the estimated location in a human-comprehensible form. 29. The method of claim 21 wherein the estimating step is for estimating the location of either a subsonic projectile or a supersonic projectile. 30. A method of estimating a location of the source of a projectile, comprising: transmitting a wave and detecting and providing an indication of a wave reflection from the projectile;detecting and providing an indication of at least one sound associated with the projectile; andestimating the location in response to the indication of a wave reflection and the indication of at least one sound; andwherein the estimating step estimates in response to optimizing a cost function. 31. The method of claim 30 wherein the cost function comprises a projectile path-to-radar location angle corresponding to an anticipated location of the projectile along a path at a time when a launching sound of the projectile is detected. 32. The method of claim 30 and further comprising guiding a firing direction of a weapon in response to the estimated location. 33. The method of claim 30 and further comprising presenting a report of the estimated location in a human-comprehensible form. 34. The method of claim 30 wherein the estimating step is for estimating the location of either a subsonic projectile or a supersonic projectile.

이 특허에 인용된 특허 (19)

이 특허를 인용한 특허 피인용횟수: 11

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특허 상세정보

System and method for estimating location of projectile source or shooter location

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System and method for estimating location of projectile source or shooter location

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이 특허에 인용된 특허 (19)

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