Radar transceiver employing circularly polarized waveforms

Details Radar transceiver employing circularly polarized waveforms Radar transceiver employing circularly polarized waveforms

1986-08-08

1988-05-03

Tubbesing, T. H.

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

With particular circuit

With polarization

342365, 343700MS, 333116, 455 86, G01S 742, H04B 710, H01Q 2124, H01P 518

Patent

active

047423544

ABSTRACT:
A radar transceiver is disclosed which operates with circularly polarized waveforms. A single circularly polarized antenna is used to transmit and receive circularly polarized waveforms. A 3-dB directional coupler splits the signal to be transmitted into two signals 90.degree. out-of-phase for transmission by the antenna and also combines the horizontal and vertical components of any return signal.

REFERENCES:
patent: 3019430 (1962-01-01), Pedersen et al.
patent: 3478362 (1969-11-01), Ricardi et al.
patent: 3921177 (1975-11-01), Munson
patent: 4180817 (1979-12-01), Sanford
patent: 4217549 (1980-08-01), Henoch
M. I. Skolnik, Intro. to Radar Systems, 1980, pp. 70-72.

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