Simplified system for estimating pulse radar doppler frequency

Details Simplified system for estimating pulse radar doppler frequency Simplified system for estimating pulse radar doppler frequency

1979-10-01

1980-09-30

Hubler, Malcolm F.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

307233R, 307351, 307356, 307358, 307227, 324 78E, G01R 2302, G01S 1302, H03K 402

Patent

active

042258634

ABSTRACT:
A method for determining doppler frequency by the measurement of the maxi pulse-to-pulse difference over one doppler cycle. A box-carred (sample-and-hold) phase detector's output is differentiated to obtain pulses whose amplitude represents the amplitude of individual boxcar transitions. The largest pulse amplitude is selected for indication of doppler frequency.

REFERENCES:
patent: 3184614 (1965-05-01), Harrison, Jr.
patent: 3258769 (1966-06-01), Forestier
patent: 3617904 (1971-11-01), Marino
patent: 3657657 (1972-04-01), Jefferson
patent: 3723771 (1973-03-01), McLean
patent: 3991379 (1979-11-01), Chadwick et al.
patent: 4156202 (1979-05-01), Takahashi

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