Signal compression systems

Details Signal compression systems Signal compression systems

1994-03-02

1995-06-20

Cain, David C.

Pulse or digital communications

Repeaters

Testing

380 34, H04K 110

Patent

active

054266653

ABSTRACT:
A signal compression system a receiver comprising, a down frequency converter to which received compressed signals are fed thereby to provide compressed baseband signals and an m-bit digital correlator defined by the serial combination of n similar smaller correlator stages, each of k-bits, where nk=m, and a Fast Fourier Transform (FFT) processor having n input ports fed from the n similar smaller correlators stages, one to each port, thereby to provide n output signals from the FFT processor which are fed to signal selector means which serves to select that output signal from the FFT processor which has the largest amplitude thereby to provide a decompressed signal.

REFERENCES:
patent: 4601005 (1986-07-01), Kilvington
patent: 5216691 (1993-06-01), Kaufmann
patent: 5271034 (1993-12-01), Abaunza

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