METHODS AND APPARATUS FOR WEIGHTING RADAR RETURN DATA

A method for reducing effects of terrain return fading due to summation of out of phase radar returns in determining locations of radar targets is described. The method comprises determining an interferometric angle, Phi, to a radar target based on at least one radar return and filtering the interfe...

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Bibliographische Detailangaben
Hauptverfasser:	JORDAN, LAVELL, HEIDEMANN, THOMAS, W, HAGER, JAMES, R
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING
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Beschreibung
Zusammenfassung:	A method for reducing effects of terrain return fading due to summation of out of phase radar returns in determining locations of radar targets is described. The method comprises determining an interferometric angle, Phi, to a radar target based on at least one radar return and filtering the interferometric angle, Phi, by adjusting an effect of terrain features contributing to the interferometric angle, Phi, proportionally to a degree of radar return fading resulting from the terrain features of the radar targets. A corrected interferometric angle, Phiout., is then provided, based at least in part on the filtering.