Clutter free communications radar

Communications: radio wave antennas – Antennas – Balanced doublet - centerfed

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Details

343 18D, G01S 956, G01S 958

Patent

active

041092473

ABSTRACT:
A clutter immune radar where the interrogating unit transmits a modulated interrogation signal to a remote unit, which radiates an information-bearing reply signal, in order to enable the interrogating unit to obtain remote unit information and range by the use of three bandpass filter channels where one bandpass filter bandwidth is equal to the sum of the other two bandwidths.

REFERENCES:
patent: 3108275 (1963-10-01), Chisholm
patent: 3199101 (1965-08-01), Hansel
patent: 3312970 (1967-04-01), Bond
patent: 3644883 (1972-02-01), Borman et al.
patent: 3659292 (1972-04-01), Martin
patent: 3701150 (1972-10-01), Dame
patent: 3772668 (1973-11-01), Smith
patent: 4001822 (1977-01-01), Sterzer

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