G - Physics – 01 – S
Patent
G - Physics
01
S
G01S 13/36 (2006.01) G01S 7/02 (2006.01) G01S 7/36 (2006.01)
Patent
CA 2086704
A method and apparatus for evaluating the similarity of multi-mode radar pulses detected by a passive ESM receiver. The method consists of fitting a straight line to the differential phase of pairs of received signals, one signal of a pair being a currently received signal pulse and the other a previously received signal pulse, by a best least squares fit method. The slope of that straight line gives the frequency offset between the signals and the mean square error between the actual phase- time data and the straight line indicates the similarity of the signals. A second measure of the similarity of the signals can be obtained by applying statistical tests for serial correlation in the difference between the phase-time data and the straight line.
Minister Of National Defence
Na
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