Radar system with circular polarized transmission and adaptive r

Details Radar system with circular polarized transmission and adaptive r Radar system with circular polarized transmission and adaptive r

1976-10-26

1978-08-08

Tubbesing, T.H.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343100PE, G01S 960

Patent

active

041060156

ABSTRACT:
A radar system for transmitting pulsed circularly polarized wave, having two separate receiving channels corresponding to the two mutually orthogonal components of the received wave. Apparatus is included for detecting variations of phase between the two receiving channels and automatically adjusting amplitude and phase of at least one of the two channels in order to compensate for the depolarization effects of rain. For isolating rain return signals and bona fide target signals, the ordinary range gate of a tracking radar plus wide early and late gates are used, applicable to target and rain return signals, respectively.

REFERENCES:
patent: 2851681 (1958-09-01), Cohn
patent: 3044062 (1962-07-01), Katzin
patent: 3234547 (1966-02-01), Katzin
patent: 3588897 (1971-06-01), Konrad
patent: 3883872 (1975-05-01), Fletcher

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