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Proceedings Paper

Statistical modeling of infrared (IR) background due to spacecraft-induced line-of-sight jitter
Author(s): Alexander C. Liang
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Paper Abstract

The effect of spacecraft induced line-of-sight (LOS) jitter on the performance of a spaceborne IR sensor in the presence of spatially varying earth background is analyzed. This paper presents a one-dimensional stochastic model of the spatially varying background process as seen by a staring sensor with its LOS under-going jitter which is in turn prescribed by a stochastic process. More specifically, the background and jitter processes are combined in deriving a closed-form expression for the temporal autocorrelation function of the irradiance. A method of quantitatively evaluating the effect of LOS jitter on sensor performance in terms of signal-to-noise ratio degradation is also included.

Paper Details

Date Published: 17 December 1979
PDF: 5 pages
Proc. SPIE 0197, Modern Utilization of Infrared Technology V, (17 December 1979); doi: 10.1117/12.957975
Show Author Affiliations
Alexander C. Liang, The Aerospace Corporation (United States)


Published in SPIE Proceedings Vol. 0197:
Modern Utilization of Infrared Technology V
Irving J. Spiro, Editor(s)

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