System and method for acquiring an optical target
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United States of America Patent
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Mar 1, 1994
Issued Date -
N/A
app pub date -
Aug 20, 1993
filing date -
Jul 11, 1991
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Abstract
An optical target is acquired by an optical scanning system according to an in-band target frequency in an input signal from an optical scanning device. Both the in-band energy level and the out-of-band energy level of the input signal from the optical scanning device are determined. These two energy levels are compared and a possible detection of the target is determined according to this comparison. A minimum threshold of in-band energy is required in order for the possible detection to be confirmed.
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