Analysis of oversampling requirements in infrared scene projectors

Ofer Hadar; Glenn D. Boreman

doi:10.1117/12.292699

23 October 1997 Analysis of oversampling requirements in infrared scene projectors

Ofer Hadar, Glenn D. Boreman

Proceedings Volume 3122, Infrared Spaceborne Remote Sensing V; (1997) https://doi.org/10.1117/12.292699
Event: Optical Science, Engineering and Instrumentation '97, 1997, San Diego, CA, United States

Abstract

This paper deals with quantification of a two-dimensional (2- D) sampling process by pixel array. The idea is based on transformation of the Wigner-Seitz cell, which defines the sampling lattice in the spatial domain, into a 'bandwidth cell' in the spatial frequency domain. The area of the bandwidth cell is a quantitative measure of the sampling process. On this basis a description of the oversampling process is developed. We compare different configurations of the sampling pixel array.

Citation Download Citation

Ofer Hadar and Glenn D. Boreman "Analysis of oversampling requirements in infrared scene projectors", Proc. SPIE 3122, Infrared Spaceborne Remote Sensing V, (23 October 1997); https://doi.org/10.1117/12.292699

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KEYWORDS

Modulation transfer functions

Image processing

Projection systems

Infrared radiation

Sensors

Spatial frequencies

Array processing

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