Surface wave phase correlator and monopulse radar system employi

Details Surface wave phase correlator and monopulse radar system employi Surface wave phase correlator and monopulse radar system employi

1975-12-22

1980-08-12

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Delay lines including elastic surface wave propagation means

29 2535, 29594, 333193, H03H 930, H03H 926, H03H 904, H01L 4122

Patent

active

042175631

ABSTRACT:
A surface wave phase correlator comprises a pair of substantially identical launch and receiving filter electrode patterns disposed on a common piezoelectric substrate. The correlator is employed with receiving and processing circuitry in a monopulse radar system to provide relative phase information for target calculations by a digital processor. Fast rise and fall times for the correlator output signals enable rapid digital processing of incoming target signals.

REFERENCES:
patent: 3660647 (1972-05-01), Pryor, Jr.
patent: 3701147 (1972-10-01), Whitehouse
patent: 3723916 (1973-03-01), Speiser et al.
patent: 3770949 (1973-11-01), Whitehouse et al.
patent: 3896442 (1975-07-01), Heminway et al.
patent: 3917401 (1975-11-01), Stolwyk
patent: 3961290 (1976-06-01), Moore
Smith et al., "Design of Surface Wave Delay Lines with Interdigital Transducers" in IEEE Trans. on Microwave Theory and Techniques, vol. MTT-17, No. 11, Nov. 1969; pp. 865-873.

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