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Angle measurement for a wide field-of-view (WFOV) semi-active laser (SAL) seeker
Angle measurement for a wide field-of-view (WFOV) semi-active laser (SAL) seeker
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机译:宽视场(WFOV)半有源激光(SAL)搜寻器的角度测量
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摘要
A SAL seeker focuses laser energy reflected off a target into a spot on the surface of a multi-segment non-imaging detector. A matched filter is responsive to the normalized detector response to estimate an angle measurement to the target. The matched filter is particularly well-suited for use in wide FOV systems as it unambiguously selects the angle measurement over the extended FOV whereas the conventional centroid calculation introduces ambiguity. The centroid calculation and angle selection may be used to improve the search and selection of the matched filter. Alternately, the matched filter may be used to disambiguate the angle selection based on the centroid calculation.
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