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Passive ranging method and apparatus 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01S-005/02
출원번호 US-0833730 (1986-02-25)
발명자 / 주소
  • Kaplan Albert (College Park MD)
출원인 / 주소
  • Litton Systems, Inc. (Woodland Hills CA 02)
인용정보 피인용 횟수 : 44  인용 특허 : 0

초록

A method and apparatus for passive ranging from a moving platform to a stationary, non-cooperative emitter utilizes a Long Baseline Interferometer and a Short Baseline Interferometer, the former to provide a very precise, but highly ambiguous, measurement of change in phase occurring between two poi

대표청구항

An improved passive ranging method of the class which includes measuring the ambiguous change in phase of an emitter\s signal occurring between a plurality of points along a path separated by arbitrary periods of time and distance with a Long Baseline Interferometer (LBI) mounted on a platform movin

이 특허를 인용한 특허 (44)

  1. Anderson, Robert J.; Bull, Jeffrey F.; Czarnecki, Paul Matthew; Ginter, Thomas Stephen; Ward, Matthew L., Advanced triggers for location-based service applications in a wireless location system.
  2. Anderson, Robert J.; Bull, Jeffrey F.; Czarnecki, Paul Matthew; Ginter, Thomas Stephen; Ward, Matthew L., Advanced triggers for location-based service applications in a wireless location system.
  3. Anderson, Robert J.; Bull, Jeffrey F.; Czarnecki, Paul Matthew; Ginter, Thomas Stephen; Ward, Matthew L., Advanced triggers for location-based service applications in a wireless location system.
  4. Fowler Mark L., Air-to-air passive location system.
  5. Bauer, Martin L.; Nower, Daniel L.; Dischner, John M.; Morse, Daniel J.; Williamson, Matthew S; McDonald, W Scott, Airborne data collection.
  6. Cathey ; Jr. Wade Thomas ; Dowski ; Jr. Edward Raymond, Apparatus and method for estimating range.
  7. Conrad Rose, Apparatus and method for the monopulse linking of frequency agile emitter pulses intercepted in on single interferometer baseline.
  8. Fritzel, Torsten; Steiner, Hans-Juergen, Arrangement and method for the wireless transmission of phase-critical signals when the length of the transmission is variable.
  9. Dowski, Jr., Edward Raymond, Combined wavefront coding and amplitude contrast imaging systems.
  10. Struckman,Keith A., Correlation interferometer geolocation.
  11. Tufvesson, Fredrik; Johansson, Anders J.; Karedal, Johan, Determining the geographic location of a portable electronic device.
  12. Cathey, Jr., Wade Thomas; Dowski, Jr., Edward R., Extended depth of field optical systems.
  13. Cathey, Jr., Wade Thomas; Dowski, Jr., Edward Raymond, Extended depth of field optical systems.
  14. Cathey, Jr.,Wade Thomas; Dowski, Jr.,Edward Raymond, Extended depth of field optical systems.
  15. Cathey, Jr.,Wade Thomas; Dowski, Jr.,Edward Raymond, Extended depth of field optical systems.
  16. Cathey, Jr.,Wade Thomas, Extended depth of field optics for human vision.
  17. Grobert, Paul H.; Wallace, William K., GPS aided open loop coherent focusing.
  18. Grobert, Paul H.; Wallace, William K., GPS aided open loop coherent timing.
  19. Ward, Matthew L.; Czarnecki, Paul M; Anderson, Robert J., Geo-fencing in a wireless location system.
  20. Choate,William Clay; Frey,Charles Emil; Jungmann,James Anthony, Method and apparatus for air-to-air aircraft ranging.
  21. DiDomizio Richard (Sandy Hook CT), Method and apparatus for tracking targets from direct and multipath reflected radar signals.
  22. Holte, Sven, Method for determining a direction to a signal-emitting object.
  23. Paquelet, Stéphane, Method for passive localization of a target and air-air localization in particular.
  24. Rose Conrad, Method for reducing geometrical dilution of precision in geolocation of emitters using phase circles.
  25. Rose, Conrad, Method for using signal frequency change to differentially resolve long baseline interferometer measurements.
  26. Bourzier, Laurent, Method of functional control of an inertial platform of a moving craft.
  27. Gudim, Eric J.; Wellman, William H., Methods and apparatus for determining angle of arrival (AOA) in a radar warning receiver.
  28. Struckman,Keith A., Moving transmitter correlation interferometer geolocation.
  29. Rose Conrad M., Multiplatform ambiguous phase circle and TDOA protection emitter location.
  30. 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.
  31. Tran My ; Rasinski John E. ; Birmingham Paul M., Radio frequency interferometer and laser rangefinder/destination base targeting system.
  32. Madden Thomas L., Self-calibrating large baseline interferometer for very precise emitter location using time difference of arrival and time difference of arrival rate.
  33. 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.
  34. 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.
  35. Mary D. O'Neill ; William H. Wellman, System and method for time-to-intercept determination.
  36. Anderson, David A.; Hwang, Patrick Y.; Kelly, Joseph M., Tactical relative navigation using orientation transfer and ranging.
  37. Dowski, Jr., Edward Raymond, Wavefront coded imaging systems.
  38. Dowski, Jr., Edward Raymond, Wavefront coded imaging systems.
  39. Dowski, Jr., Edward Raymond, Wavefront coded imaging systems.
  40. Dowski, Jr., Edward Raymond; Cogswell, Carol Jean, Wavefront coding interference contrast imaging systems.
  41. Dowski, Jr.,Edward Raymond; Cogswell,Carol Jean, Wavefront coding interference contrast imaging systems.
  42. Dowski, Jr., Edward Raymond, Wavefront coding optics.
  43. Dowski, Jr., Edward Raymond; Prischepa, Inga, Wavefront coding zoom lens imaging systems.
  44. Kilpatrick William Lloyd, Wide aperature radio frequency data acquisition system.
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