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특허 상세정보

Multi-platform geolocation method and system

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) G01S-003/02   
미국특허분류(USC) 342/450; 342/465
출원번호 US-0633382 (2000-08-07)
발명자 / 주소
  • Thomas C. Minter
  • Robert S. Reichert
  • Richard A. Kallaus
출원인 / 주소
  • Lockheed Martin Corporation
대리인 / 주소
    Marsh Fischmann & Breyfogle LLP
인용정보 피인용 횟수 : 150  인용 특허 : 13
초록

A method for determining the geolocation of an emitter using sensors located at a single or multiple platforms is disclosed. Generally, the method includes the steps of receiving a first measurement set relative to a first emitter, the first measurement set including angle of arrival, time difference of arrival and/or terrain height/altitude measurements, receiving a first location guess or estimate for the first emitter, and determining at least a second location estimate using at least one of a batch least squares analysis and a Kalman filter analysis.

대표
청구항

1. A method for locating a first emitter comprising the steps of:receiving at a first platform and a second platform at a first point in time a first signal from the first emitter; determining at least one of a first angle of arrival and a first time of arrival of the first signal at the first platform at the first point in time; determining at least one of a second angle of arrival and a second time of arrival of the first signal at the second platform at the first point in time; receiving a first altitude estimate for the first emitter, wherein the fir...

이 특허에 인용된 특허 (13)

  1. Sharpin David L. (Springfield OH) Tsui James B. Y. (Dayton OH) Shaw Rudy L. (Huber Heights OH), Angle-of-arrival measurement via spectral estimation of radar time-of-arrival periodicities.
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  6. Rose Conrad M., Multiplatform ambiguous phase circle and TDOA protection emitter location.
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  8. Lioio Rick J. ; Clayton Gary E. ; Deaton Robert A., Phase and time-difference precision direction finding system.
  9. Rose Conrad M. (Dahlgren VA) Dangle Kurt M. (Columbia MD), Precise bearings only geolocation in systems with large measurements bias errors.
  10. Caschera Joseph (Fairborn OH), Radar warning receiver compressed memory histogrammer.
  11. Sheynblat Leonid, Satellite positioning system augmentation with wireless communication signals.
  12. Sullivan Mark C., Wireless geolocation system.
  13. Fattouche Michel T.,CAX ; Klukas Richard W.,CAX ; Borsodi Andrew L.,CAX ; Astridge Mark,CAX ; Lachapelle Gerard J.,CAX ; Zaghloul Hatim,CAX, Wireless location system.

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