Moving target indicator using a surface acoustic wave device

Details Moving target indicator using a surface acoustic wave device Moving target indicator using a surface acoustic wave device

1985-10-07

1987-07-21

Tubbesing, T. H.

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

Clutter elimination

Mti

G01S 1352

Patent

active

046821740

ABSTRACT:
A surface acoustic wave (SAW) device in a pseudo-coherent moving target indicator uses a common input transducer to delay both reference and signal inputs to a mixer by varying amounts. The mixer produces a Doppler signal which is processed within a single range cell. The SAW device may contain additional delay paths which drive other range cells. Power splitting and amplification sections of the moving target indicator are minimized through use of the SAW device.

REFERENCES:
patent: 2646561 (1953-07-01), Emslie
patent: 3636562 (1972-01-01), Wehner
patent: 3936751 (1976-02-01), Holmes et al.
patent: 3987367 (1976-10-01), Hartemann
patent: 4035800 (1977-07-01), Lewis et al.
patent: 4054841 (1977-10-01), Henaff et al.
patent: 4388595 (1983-06-01), Brooks

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