Phase/phase/frequency-scan radar apparatus

Details Phase/phase/frequency-scan radar apparatus Phase/phase/frequency-scan radar apparatus

1989-05-26

1993-08-24

Blum, Theodore M.

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

Directive

Including a steerable array

342368, H01Q 322

Patent

active

052393011

ABSTRACT:
A phase/phase/frequency-scan radar apparatus having multiple-beam search and single-beam track capabilities, using a single array antenna employing a novel combination of phase/phase scan in two dimensions together with frequency-scan. Generally, the additional frequency scan capability need be used in one dimension only, preferably azimuth, but the concept could readily be extended to two-dimensional add-on frequency scan if desired.

REFERENCES:
patent: 3646559 (1972-02-01), Wiley
patent: 3860928 (1975-01-01), Ehrlich
patent: 3979754 (1976-09-01), Archer
patent: 4028710 (1977-06-01), Evans
patent: 4178581 (1979-12-01), Willey, Sr.
patent: 4612547 (1986-09-01), Itoh
patent: 4724438 (1988-02-01), Arnold et al.
patent: 4779097 (1988-10-01), Morchin

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