Method for passively locating a non-movable transmitter
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United States of America Patent
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Dec 18, 2018
Grant Date -
Nov 23, 2017
app pub date -
Nov 10, 2015
filing date -
Nov 28, 2014
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Abstract
A method for passively locating a non-movable transmitter on the ground implemented by a group of at least one receiving station, each of the receiving stations comprising a detector of radars and a time reference, the set of time references being mutually synchronized, the transmitter transmitting a set of periodic pulses, wherein a first estimation of the position of the transmitter is carried out by the Bancroft scheme on the basis of the mean arrival times of the pulses transmitted by the transmitter at the level of each station of the group of at least one receiving station, the result obtained being used thereafter as point for initializing a maximum likelihood scheme so as to converge toward the position of the transmitter.
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