17 December 1980 Clutter Leakage Approximations For Staring Mosaic Sensors With Simultaneous Line Of Sight (LOS) Drift And Jitter
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Abstract
Two approximations are developed for estimation of background clutter-induced noise in the Nth-differenced output of a single pixel of a drifting, jittering optical sensor. The viewing geometry and coordinate transformations are reviewed and an exact integral solution in the frequency domain is given. Its basis, an analysis done by Williams and Fried, is summarized in an appendix. Then the approximate forms are derived and their limitations discussed. The approximations are readily scalable and lend themselves to iterative, optimization-loop type performance calculations. Their applicability is limited to sensor LOS motion of a fraction of a pixel per frame time. Within that domain agreement with exact solutions is good.
© (1980) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jerry L. Rapier, "Clutter Leakage Approximations For Staring Mosaic Sensors With Simultaneous Line Of Sight (LOS) Drift And Jitter", Proc. SPIE 0253, Modern Utilization of Infrared Technology VI, (17 December 1980); doi: 10.1117/12.959506; https://doi.org/10.1117/12.959506
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