Monostatic homodyne radar system

Details Monostatic homodyne radar system Monostatic homodyne radar system

1997-03-19

1999-02-16

Sotomayor, John B.

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

Determining distance

With frequency modulation

342200, G01S 1326

Patent

active

058725377

ABSTRACT:
Monostatic homodyne radar system, in particular for continuous wave operation, in which one input port of a balanced mixer (2) is connected to an oscillator (1) and another input port of the mixer is connected to an antenna (3). The mixer has a directional coupler with a 90.degree. phase difference between the coupling arms. The load impedances of the coupling arms have a reflection factor greater than 0.3, so that coupling of the power supplied from the oscillator to the antenna ensues, which coupling is sufficient for the radiation.

REFERENCES:
patent: 3772584 (1973-11-01), Barley et al.
patent: 4069482 (1978-01-01), Parker et al.
patent: 4492960 (1985-01-01), Hislop
patent: 4541120 (1985-09-01), Szabo
patent: 5109545 (1992-04-01), Schiller et al.
patent: 5661485 (1997-08-01), Manuel
H.G. Unger, Hochfrequenztechnik In Funk Und Radar, (1972), 2 pages.

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