Communications: directive radio wave systems and devices (e.g. – Radar transponder system – Combined with primary radar system
Patent
1980-04-01
1988-01-12
Tubbesing, T. H.
Communications: directive radio wave systems and devices (e.g.,
Radar transponder system
Combined with primary radar system
342152, G01S 1387, G01S 1344
Patent
active
047194634
ABSTRACT:
A microwave deviation measurement receiver particularly applicable to airborne secondary radars making deviation measurements with two logarithmic amplifiers which increase the reliability of deviation measurements for targets close to the direction of aim of the radar. A programmable phase shifter preferably is controlled to compensate for aircraft movements by shifting the phase of the sum or control signal.
REFERENCES:
patent: 3890617 (1975-06-01), Moulton
patent: 3927406 (1975-12-01), Bruder
patent: 4139850 (1979-02-01), Charlot et al.
patent: 4568940 (1986-02-01), Diamond
Thomson - CSF
Tubbesing T. H.
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