Radar receivers

Details Radar receivers Radar receivers

1974-07-12

1976-09-28

Hubler, Malcolm F.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

325 17, G01S 902, H04B 140

Patent

active

039835553

ABSTRACT:
A radar receiver for a frequency-agile radar system includes a variable frequency oscillator and an automatic frequency control operable to exert fine control over the frequency generated by the local oscillator. Control means are provided to derive from a number of previous values of the local ocillator frequency a control signal for application to the local oscillator to bring the generated frequency close to that required for fine correction by the automatic frequency control.

REFERENCES:
patent: 3128462 (1964-04-01), Woolfson
patent: 3372391 (1968-03-01), Lerner
patent: 3374480 (1968-03-01), Russell et al.
patent: 3417396 (1968-12-01), Stifter et al.
patent: 3569965 (1971-03-01), Bagley
patent: 3573826 (1971-04-01), Fredericks et al.

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