Communications: directive radio wave systems and devices (e.g. – Radar ew
Patent
1996-05-31
1997-12-30
Pihulic, Daniel T.
Communications: directive radio wave systems and devices (e.g.,
Radar ew
342146, G01S 322
Patent
active
057035903
ABSTRACT:
A method wherein the scan rate of an active emitter is simultaneously estimated by a tracking receiver and a radar system and are then compared to correlate tracks generated by the tracking receiver and the radar system. The output produced by the present method provides for data that is more accurately indicative of the locations and identifications of emitters tracked by the tracking receiver and the radar system. More specifically, the method comprises the following steps. An active emitter having a scanning antenna is simultaneously tracked using a tracking receiver and a radar system. The location of the emitter is estimated using the tracking receiver by processing measurements of the electromagnetic signals generated by the emitter. The scan rate of the emitter is estimated using the tracking receiver by detecting strobing of the main lobe of the signals generated the emitter. The scan rate of the emitter is estimated using the radar system. Finally, the respective estimated scan rates are correlated to improve the accuracy of the estimated location and identification of the emitter.
REFERENCES:
patent: 5469165 (1995-11-01), Milroy
Kennedy Thomas A.
Roth Steve
Alkov Leonard A.
Denson-Low Wanda K.
Hughes Electronics
Pihulic Daniel T.
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