Range-gated moving target signal processor

Details Range-gated moving target signal processor Range-gated moving target signal processor

1967-05-17

1977-01-04

Hubler, Malcolm F.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

G01S 942

Patent

active

040018261

ABSTRACT:
A range-gated doppler processor, adapted for cooperation with a non-coherent receiver of a pulsed energy system and comprising a plurality of switched R-C signal-storage (integrating) networks, each switched-on for a preselected interval corresponding to a successive one of a plurality of range bins-to-be-sampled for providing a stored time-averaged signal indicative of the clutter content at such interval. Differential signal-combining means responsive to the sequential outputs of the switched R-C networks and the range trace signal provides a substantially clutter-free moving target signal for subsequent utilization. Pairs of switched R-C networks may be additionally employed in ancillary stages for compensatory signal-shaping and bandpass filtering, while a subsequent single chain of switched networks may be used for range coherent integration of the video-detected MTI signal.

REFERENCES:
patent: 2600193 (1952-06-01), Bell, Jr. et al.
patent: 2896203 (1959-07-01), Wright et al.
Skolnik, Merrill I., Radar Systems, McGraw-Hill (1962), p. 152.

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