THREE-DIMENSIONAL DIRECTION FINDING FOR ESTIMATING A GEOLOCATION OF AN EMITTER
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United States of America Patent
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Issued Date -
Dec 22, 2011
app pub date -
Jun 21, 2011
filing date -
Jun 21, 2010
priority date (Note) -
Abandoned
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Abstract
One embodiment of the invention includes a computer readable medium configured to perform a method for determining a three-dimensional geolocation of a terrestrial emitter. The method includes receiving a signal from the emitter at an antenna array. The method also includes determining a three-dimensional line-of-position (LOP) to the emitter based on the signal. The three-dimensional LOP can include an azimuth angle and a depression angle. The method further includes calculating the three-dimensional geolocation of the emitter based on an intersection of the three-dimensional LOP with digital terrain elevation data (DTED) associated with the Earth's surface.
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