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Precise bearings only geolocation in systems with large measurements bias errors 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01S-005/04
  • G01S-003/02
출원번호 US-0383669 (1995-02-01)
발명자 / 주소
  • Rose Conrad M. (Dahlgren VA) Dangle Kurt M. (Columbia MD)
출원인 / 주소
  • Litton Systems Inc. (Woodland Hills CA 02)
인용정보 피인용 횟수 : 63  인용 특허 : 0

초록

Bearing rate of change, or equivalently bearing differences, are used to estimate emitter geolocation, in contrast to using such rates or differences to estimate only range. In using the bearing differences, it is not necessary to maintain the same relative bearing to compensate for DOA dependent er

대표청구항

An apparatus for separating slowly varying systematic error in emitter bearing measurements from rapidly varying random error comprising: means for varying the bearing measurement sample times to convert the slowly varying systematic error to an approximately fixed bias between individual updates; m

이 특허를 인용한 특허 (63)

  1. Chiou, Kuo-Liang; Chiou, Carroll C.; Rudolph, Kevin E., Aided INS/GPS/SAR navigation with other platforms.
  2. Rose Conrad M., Apparatus for measuring moving emitter elevation and azimuth direction from doppler change measurements.
  3. Rose Conrad M., Combined phase-circle and multiplatform TDOA precision emitter location.
  4. Smith, David C., Device for and method of geolocation.
  5. Witzgall, Hanna E., Diversified doppler for single platform geolocation.
  6. Deaton Robert A. (Los Angeles CA), Exploitation of emitter RF agility for unambiguous interferometer direction finding.
  7. Dupray, Dennis J.; Karr, Charles L., Gateway and hybrid solutions for wireless location.
  8. Littlefield, Colin Aaron; Whitworth, Timothy; Ying, Yeqiu; Wallis, Graham Patrick; Dumville, Mark, Geo-location of jamming signals.
  9. Dupray,Dennis J.; Karr,Charles L., Geographic location using multiple location estimators.
  10. Dupray, Dennis J.; Goldberg, Sheldon F., Geographically constrained network services.
  11. Dupray, Dennis J.; Goldberg, Sheldon F., Geographically constrained network services.
  12. Mitchell J. Sparrow ; Joseph Cikalo, High precision range measurement technique.
  13. Dupray, Dennis J.; Goldberg, Sheldon F.; Leblanc, Frederick W.; Karr, Charles L., Locating a mobile station and applications therefor.
  14. Dupray, Dennis J; LeBlanc, Frederick W; Karr, Charles L; Goldberg, Sheldon F, Locating a mobile station and applications therefor.
  15. Leblanc, Frederick W.; Dupray, Dennis J.; Karr, Charles L., Locating a mobile station and applications therefor.
  16. Karr, Charles L; LeBlanc, Frederick W.; Dupray, Dennis J., Locating a mobile station using a plurality of wireless networks and applications therefor.
  17. LeBlanc Frederick W. ; Dupray Dennis J. ; Karr Charles L., Location of a mobile station using a plurality of commercial wireless infrastructures.
  18. Witzgall, Hanna E., Machine and process for self localization using doppler.
  19. Guard Glenn B., Method and apparatus for a ring interferometer.
  20. Hall, Christopher J.; Turner, Clay S.; Ray, Jimmy C., Method and apparatus for geolocating a wireless communications device.
  21. Hall,Christopher J.; Turner,Clay S.; Ray,Jimmy C., Method and apparatus for geolocating a wireless communications device.
  22. Hall,Christopher J.; Turner,Clay S.; Ray,Jimmy C., Method and apparatus for geolocating a wireless communications device.
  23. Eden, Richard C., Method and device for precise geolocation of low-power, broadband, amplitude-modulated signals.
  24. Coluzzi,Michael Eugene; Kang,Sung Phill, Method and system for determining the position of an object.
  25. Rose Conrad, Method for reducing geometrical dilution of precision in geolocation of emitters using phase circles.
  26. Belloni, Fabio; Teikari, Ilari Aleksi; Ranki, Ville; Kainulainen, Antti, Method, and apparatus for determining the position using radio signals.
  27. Gudim, Eric J.; Wellman, William H., Methods and apparatus for determining angle of arrival (AOA) in a radar warning receiver.
  28. Kenefic Richard J., Methods for estimating the number of emitters and their parameters.
  29. Thomas C. Minter ; Robert S. Reichert ; Richard A. Kallaus, Multi-platform geolocation method and system.
  30. Struckman,Keith A.; Kabel,Allan M., Multiplatform TDOA correlation interferometer geolocation.
  31. Rose Conrad M., Multiplatform ambiguous phase circle and TDOA protection emitter location.
  32. Dupray,Dennis J., Multiple evaluators for evaluation of a purality of conditions.
  33. Dupray, Dennis J.; Karr, Charles L., Multiple location estimators for wireless location.
  34. Dupray, Dennis J.; Goldberg, Sheldon F., Network services dependent upon geographical constraints.
  35. Lin, Ching-Fang; An, Dong, Passive/ranging/tracking processing method for collision avoidance guidance.
  36. Menegozzi, Lionel Nicholas; Holden, Suzanne Elaine; Van Alstine, Edward F.; Palazzo, Robert G.; Apa, Martin James, Phase rate of change techniques for passive geo-location of radio frequency emitters.
  37. Dupray, Dennis J., Platform and applications for wireless location and other complex services.
  38. Akazawa, Hayato; Kobayashi, Eiji; Kurihara, Tsugihiro; Kimura, Kazuaki; Iwase, Kazutaka, Radio direction and position finding apparatus.
  39. Tsugihiro Kurihara JP; Hayato Akazawa JP, Radio direction and position finding apparatus.
  40. Tran My ; Rasinski John E. ; Birmingham Paul M., Radio frequency interferometer and laser rangefinder/destination base targeting system.
  41. Dupray, Dennis J., Real estate transaction system.
  42. Halladay, Henry E.; Edewaard, David O.; Swann, Terry M., Remote programmable reference.
  43. Madden Thomas L., Self-calibrating large baseline interferometer for very precise emitter location using time difference of arrival and time difference of arrival rate.
  44. Yannone, Ronald M., Surface RF emitter passive ranging accuracy confirmation algorithm.
  45. Hunter,Jeffrey K.; Richey,Manuel F.; Field,Gene L., System and method for calibrating on-board aviation equipment.
  46. Gounalis,Anthony J., System and method for detection of emitter signals using multiple intercept rules.
  47. Gounalis,Anthony J., System and method for detection of emitter signals using multiple intercept rules.
  48. May, William D., System and method for determining geo location of a target using a cone coordinate system.
  49. May, William, System and method for determining geo location of a target using locus of emitter positions (LEP).
  50. Otto James C., System and method for determining the geolocation of a transmitter.
  51. Johnson,J. Andrew, System and method for determining the location of emitters having well-behaved timing features.
  52. Karr, Charles L.; Dupray, Dennis J., System and method for hybriding wireless location techniques.
  53. Coluzzi,Michael Eugene; Rees,Bernard Andrew; Kang,Sung Phill, System and method for inverse multilateration.
  54. Coluzzi, Michael Eugene; Rees, Bernard Andrew, System and method for location-finding using communication signals.
  55. Schober,Michael B., System and method for passively estimating angle and range of a source using signal samples collected simultaneously from a multi-aperture antenna.
  56. Schober,Michael B., System and method for passively estimating angle and range of a source using signal samples collected simultaneously from a multi-aperture antenna.
  57. Workman,Wayne C., System and method for resolving phase ambiguity of a transducer array to determine direction of arrival of received signals.
  58. Dupray, Dennis J., Wireless location gateway and applications therefor.
  59. Dupray, Dennis J.; Karr, Charles L., Wireless location using location estimators.
  60. Karr, Charles L.; Dupray, Dennis J., Wireless location using multiple mobile station location techniques.
  61. Dupray, Dennis J.; Karr, Charles L.; Goldberg, Sheldon F., Wireless location using network centric location estimators.
  62. Karr, Charles L.; Dupray, Dennis J., Wireless location using signal fingerprinting and other location estimators.
  63. McPherson, Rodney Keith; Lanza, David James, Wireless transmitter location determining system and related methods.
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