Apparatus and method for emitter location
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United States of America Patent
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Nov 2, 1999
Grant Date -
N/A
app pub date -
Jun 3, 1998
filing date -
Jun 3, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
An emitter locator for locating an emitter transmitting an emitter signal includes a plurality of scatters and a base station. The plurality of scatterers are located at predetermined positions, where each scatterer includes a modulator configured to modulate an electrical signal on an antenna and configured to receive emitter signal and to modulate the emitter signal to generate a scattered signal. The base station is configured to receive a composite signal containing the emitter signal and a plurality of the scattered signals, where the base station includes a processor configured to separate the scattered signals from the composite signal and to identify relative power levels of the scattered signals to determine a location of the emitter. Advantages of the invention include the ability to locate emitters in an efficient and cost effective manner by using scatterers and a base station.
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