Difference-in-time-of-arrival direction finders and signal sorters
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United States of America Patent
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Nov 9, 1993
Grant Date -
N/A
app pub date -
Feb 19, 1993
filing date -
Feb 19, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A difference-in-time-of-arrival direction finder includes auto-correlation means that includes means for substantially reducing, at the output of the auto-correlation means, the unwanted noise power of all uncorrelated unselected incoming radio-waves received at two spaced antennas that arrive from any direction other than a certain direction with respect to the wanted signal correlated power of that selected one incoming radio-wave arriving from the certain direction with respect to the line connecting the antennas specified by a given signal time delay provided by a delay line associated with one of the antennas.
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