27 June 1996 Improved reticle seeker using the segmented focal plane array
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Abstract
Reticle seekers temporally modulate target location onto the incoming spatial signal. When large or multiple targets are present in the FOV, however, it is hard to precisely modulate the incoming target signal by the reticle. To solve this loss of modulation depth problem, we present an improved reticle seeker using the segmented focal plane array (FPA). The new reticle system uses the normalized difference as well as the modulated signal of each detector output in the segmented FPA. In simulation, we have ascertained the proposed system can make an effective analysis and tracking for multiple or large targets.
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HyunKi Hong, Sung-Hyun Han, Jong Soo Choi, "Improved reticle seeker using the segmented focal plane array", Proc. SPIE 2744, Infrared Technology and Applications XXII, (27 June 1996); doi: 10.1117/12.243483; https://doi.org/10.1117/12.243483
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