Analysis of the maintenance of correlation plane peak localization despite severe frequency plane modulus disruption

Rupert C. D. Young; Christopher R. Chatwin

doi:10.1117/1.601837

1 January 1998 Analysis of the maintenance of correlation plane peak localization despite severe frequency plane modulus disruption

Rupert C. D. Young, Christopher R. Chatwin

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Optical Engineering, Vol. 37, Issue 1, (January 1998). https://doi.org/10.1117/1.601837

It is important for an optical pattern recognition filter to produce a localized correlation response without significant sidelobe structure. This paper notes, and investigates further, the high degree of robustness of the correlation response of a wideband filter in the face of severe frequency domain modulus disruption. The phenomenon is demonstrated by simulation, and analysis is presented to explain the observations. This property may be of value in filter design by allowing the relaxation of frequency domain constraints in the knowledge that correlation peak structure will not drastically deteriorate.

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Rupert C. D. Young and Christopher R. Chatwin "Analysis of the maintenance of correlation plane peak localization despite severe frequency plane modulus disruption," Optical Engineering 37(1), (1 January 1998). https://doi.org/10.1117/1.601837

Published: 1 January 1998

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KEYWORDS

Fourier transforms

Electronic filtering

Optical filters

Interference (communication)

Optical engineering

Phase only filters

Diffraction

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