Scanning beam receiver

Details Scanning beam receiver Scanning beam receiver

1977-02-28

1978-08-22

Moskowitz, Nelson

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343106R, G01S 116, G01S 154

Patent

active

041092490

ABSTRACT:
A scanning beam radio guidance system in which a ground beacon equipment transmits a single frequency collimated beam which sweeps a space sector of interest, and also transmits a frequency offset reference signal. An airborne remote receiver is responsive to both transmissions and includes post-detection signal processing means in the form of a time gate for inhibiting those parts of the main beam signal corresponding to angles outside the sector. A filter is also included for reducing the total spectrum contribution of the residual side-lobes of any out-of-sector beam signal.

REFERENCES:
patent: 3077595 (1963-02-01), Frost
patent: 3349401 (1967-10-01), Kennedy et al.
patent: 3454948 (1969-07-01), Reinagel
patent: 3735407 (1973-05-01), Meyer
patent: 4050074 (1977-09-01), Toman

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