Method and system for determining an unambiguous angle of arrival using interferometry

A direction finding interferometer shares receivers among antennas (204-1, 204-2, 204-3, 204-4) and aperiodically switches between those antennas. The phase differences for a subset of the antenna pairs are measured for each pulse and the results are combined with the results from subsequent pulses...

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Bibliographische Detailangaben
Hauptverfasser:	ROBINSON, Ian S, FLANDERS, Bradley A
Format:	Patent
Sprache:	eng
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 direction finding interferometer shares receivers among antennas (204-1, 204-2, 204-3, 204-4) and aperiodically switches between those antennas. The phase differences for a subset of the antenna pairs are measured for each pulse and the results are combined with the results from subsequent pulses to resolve ambiguities. An angle of arrival common to two subsets of angles of arrival (516) is the unambiguous angle of arrival.