Radar radiating polarized signals

Details Radar radiating polarized signals Radar radiating polarized signals

1980-06-27

1982-05-11

Tubbesing, T. H.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343100CL, 343100PE, G01S 1310

Patent

active

043296874

ABSTRACT:
The radar radiates, alternately or according to a given code, left-hand and right-hand circularly or elliptically polarized signals. At the receiving end, the two orthogonal polarized components of the received signal are processed separately, and the phase shift between the two components is measured. It is determined whether this phase shift is similar to that existing at the instant of transmission between the two orthogonally polarized components which are mixed to produce the circularly or elliptically polarized signal. The similarity check is made by correlation.
A desired target is indicated if there is a given similarity. Coherent signal processing is not necessary (but possible).

REFERENCES:
patent: 2619635 (1952-11-01), Chait
patent: 3732565 (1973-02-01), Symaniec et al.
patent: 4035797 (1977-07-01), Nagy
patent: 4107678 (1978-08-01), Powell
patent: 4117488 (1978-09-01), Perrotti

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