CW radar system

Details CW radar system CW radar system

1991-07-22

1992-10-06

Barron, Jr., Gilberto

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

With particular circuit

342198, 342128, 342200, 455 83, G01S 735, G01S 1332, H04B 148

Patent

active

051535963

ABSTRACT:
A continuous wave radar system comprises a transmitter section (1), a receiver section (2) and a common transmit/receive aerial (3). A directional coupler (12) is used to couple the transmitter section output (9) to the aerial (3) and to couple the aerial (3) to a first input (5) of a mixer (4) included in the receiver section (2). A second input (6) of the mixer (4) is fed with a reference signal from the transmitter section (1) via a fourth port (17) of the coupler (12), thereby usefully utilizing at least some of the transmitter power which would be wasted were the fourth port (17) merely terminated in a matched impedance.

REFERENCES:
patent: 3019430 (1962-01-01), Pedersen et al.
patent: 4998110 (1991-03-01), Davis

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