Gated pseudonoise semi-active missile guidance system with impro

Details Gated pseudonoise semi-active missile guidance system with impro Gated pseudonoise semi-active missile guidance system with impro

1973-08-30

1980-08-05

Buczinski, S. C.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

244 314, 244 319, 343 7ED, 343 7A, G01S 1300, F41G 700

Patent

active

042164729

ABSTRACT:
A system for elimination of transmitter (illuminator) leakage in a high duty cycle, pulsed, pseudonoise, semi-active missile guidance system. The missile has front and back receiving systems, and the illuminator signal extant at the rear receiver is used to develop a gating signal which turns the front receiver "off" during the time of arrival of the leakage signals at the front receiver. The receiver gating is automatically time adjusted as a function of missile range. Alternate reversal of the bi-phase transmitted code bits is offered as a means of reducing the "eclipsing" loss due to receiver gating out of useful signal return from the target being tracked.

REFERENCES:
patent: 3631485 (1971-12-01), Beazell, Jr.
patent: 3641573 (1972-02-01), Albanese
patent: 3680090 (1972-07-01), Bishop
patent: 3698811 (1972-10-01), Weil
patent: 3725935 (1973-04-01), Alpers
patent: 3729150 (1973-04-01), Conger
patent: 3733604 (1973-05-01), Smith

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