Digital poly-phase pulse compressor

Details Digital poly-phase pulse compressor Digital poly-phase pulse compressor

1988-03-21

1989-05-23

Tarcza, Thomas H.

Communications: directive radio wave systems and devices (e.g.,

With particular circuit

Complex signal

342201, G01S 1328

Patent

active

048334790

ABSTRACT:
A digital poly phase pulse compressor that utilizes delay lines to separate KN samples of a received compressed pulse in I and Q channels, multiplies N of the KN samples with quadrature, weighted code phase signals by shifting and adding, cross couples the products of the shifting and adding in the I and Q channels to remove all code phase terms from the N samples in each channel, and combines the final n signals to provide I and Q compressed pulse components. The I and Q channels can be expanded into pluralities of channels to include compensation for Doppler shift.

REFERENCES:
patent: 3680105 (1972-07-01), Goldstone
patent: 3747099 (1973-07-01), Wong
patent: 4237461 (1980-12-01), Cantrell et al.
patent: 4384291 (1983-05-01), Lewis et al.
patent: 4404562 (1983-09-01), Kretschmer, Jr. et al.
patent: 4521779 (1985-06-01), Lewis

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