Multi-sampling-channel pulse compressor

Details Multi-sampling-channel pulse compressor Multi-sampling-channel pulse compressor

1980-11-06

1982-11-16

Tubbesing, T. H.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343 5NQ, 367101, G01S 1328

Patent

active

043597351

ABSTRACT:
A digital pulse compression processor for reducing the processing loss in rget-echo signals caused by sampling time errors comprising a first processing channel for sampling the echo signal in accordance with pulses from a first clock signal and a second processing channel for sampling the echo signal in accordance with pulses from a second clock signal at the same sampling frequency as the first clock signal but with its pulses interlaced, in time, approximately midway between the pulses of the first clock signal to ensure that the largest sampling error will be one-quarter of a sampling period or less. The sampled signals in each channel are then digitized and compressed, and then processed to form the compressed signal envelope. The resultant signal envelopes from each channel are multiplied together to form a low-sidelobe narrow output pulse.

REFERENCES:
patent: 3680105 (1972-07-01), Goldstone
patent: 3987285 (1976-10-01), Perry
patent: 4005417 (1977-01-01), Collins
patent: 4005423 (1977-01-01), Webb
patent: 4028700 (1977-06-01), Carey et al.
patent: 4167737 (1979-09-01), Freedman
patent: 4204165 (1980-05-01), Ready

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