Radar seeker

Details Radar seeker Radar seeker

1988-01-27

1999-11-09

Hellner, Mark

Communications: directive radio wave systems and devices (e.g.,

Determining direction

Monopulse

G01S 1300

Patent

active

059823208

ABSTRACT:
A radar seeker employing a 4-element antenna and amplitude or phase comparison target location. The azimuth (C and D) and elevation (A and B) elements share two channels alternately by means of cycling switches (S1, S2). Sum (31) and difference (29) signals are derived from the two channels and then the difference channel is re-distributed (S4) to dedicated azimuth and elevation channels. The shared channels (G, H) are interchanged cyclically (S3) so that mismatches between them are cancelled out.

REFERENCES:
patent: 3560974 (1971-02-01), Lecourtier et al.
patent: 3680102 (1972-07-01), Poinsard
patent: 3710390 (1973-01-01), Kreinheder
patent: 3713155 (1973-01-01), Jaffe
patent: 3714652 (1973-01-01), Grabowski et al.
patent: 3766556 (1973-10-01), Amoroso, Jr.
patent: 3977000 (1976-08-01), Wagner
Thomson, D.: "Monopulse design for tactical tracking radar", Microwave Journal, May 1985, vol. 28, No. 5, pp. 307-310.

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