Pulse or digital communications – Repeaters – Testing
Patent
1989-10-17
1991-05-14
Cangialosi, Salvatore
Pulse or digital communications
Repeaters
Testing
H04K 100
Patent
active
050162560
ABSTRACT:
An apparatus for detecting an intercept signal having spread spectrum modulation, having a first antenna, a second antenna, a first channelizer, a second channelizer, parametric encoders, a spread hopper processor and a nonspread hopper processor. The first antenna outputs a first sample of the intercept signal. The second antenna outputs a second sample of the intercept signal. The first channelizer channelizes the spectrum of the first sample of the intercept signal into a first plurality of spectrum segments, with each spectrum segment having a corresponding segment signal, respectively. The second channelizer channelizes the spectrum of the second sample of the intercept signal into a second plurality of spectrum segments having the same center frequencies and bandwidths as the first plurality of spectrum segments. Each spectrum segment of the second plurality of spectrum segments has a corresponding segment signal, respectively. The parametric encoders measure a corresponding plurality of frequencies and times of arrival of each of the first plurality of segment signals, respectively, and estimates a plurality of segment phase angles between corresponding segment signals having the same center frequency, of the first and second plurality of segment signals from the first and second channelizers, respectively.
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