Jitter compensating scene stabilizing missile guidance system

Details Jitter compensating scene stabilizing missile guidance system Jitter compensating scene stabilizing missile guidance system

1981-05-04

1984-10-02

Jordan, Charles T.

Aeronautics and astronautics

Missile stabilization or trajectory control

Remote control

F41G 720

Patent

active

044743432

ABSTRACT:
An improved missile guidance system is provided which automatically compensates for jitter motion of the optical sight of a video tracker. The invention is adapted to receive video data input from an infrared detector or conventional camera. The invention includes circuits for filtering, gating, and digitalizing the incoming data as well as a formatter for directing successive frames into memory. Two memories are provided; the contents of which are sampled by matching logic as the second memory is being loaded. The matching logic thereby compares one frame of data to another at plurality of positions and provides a signal to an address latch when the best match is obtained. The format circuitry provides the position information to the address latch where it is stored for further processing. The output of the address latch is filtered to eliminate any signals representative of intentional tracking motion. The filtered output thus provides the jitter correction to the missile guidance system where missile guidance signals are compensated by the jitter correction.

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