F - Mech Eng,Light,Heat,Weapons – 41 – G
Patent
F - Mech Eng,Light,Heat,Weapons
41
G
343/21, 350/31
F41G 7/00 (2006.01) H04N 7/18 (2006.01)
Patent
CA 1096018
LINE SCAN AREA SIGNATURE DETECTION SYSTEM ABSTRACT OF THE DISCLOSURE An area signature detection system arranged to receive an output from a sensor operative in the electromagnetic spectrum, where the output from the sensor is an amplitude varying electrical signal repre- senting the field-of-view beheld by the sensor, and to utilize this high frequency information in such a man- ner that low frequency scene content, necessary for area correlation processing, can be extracted and effectively utilized. Our invention involves certain highly advantageous techniques for generating area signatures from line scan sensors, and may be applied to cartesian, circular or polar scan formats. In one particular embodiment or our invention, we describe how orthogonally disposed area signatures can be used to generate area correlation tracking signals that can be used in the derivation of appropriate missile guidance commands. Our teachings are also useful in providing line-of-sight stabilization for fire control systems, alignment and position errors for landing and hovering control systems, as well as intrusion detection sys- tems. In the case of a system using a television camera as the sensor, this invention provides a way of obtaining an operator display and system control sig- nals despite the fact that only a single such sensor is used. - 1 -
257872
Farrow Max W.
Thomas Frank J.
Barrigar & Moss
Martin Marietta Corporation
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