Application of adaptive filters to the problem of reducing microphony in arrays of pyroelectric infrared detectors

Details Application of adaptive filters to the problem of reducing microphony in arrays of pyroelectric infrared detectors Application of adaptive filters to the problem of reducing microphony in arrays of pyroelectric infrared detectors

Nov 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991spie.1541..167c&link_type=abstract

Proc. SPIE Vol. 1541, p. 167-177, Infrared Sensors: Detectors, Electronics, and Signal Processing, T. S. Jayadev; Ed.

Computer Science

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Scientific paper

This paper discusses a novel technique for reducing the effects of microphony in pyroelectric infrared arrays. The method is an enhancement of the existing compensation techniques and uses the digital signal processing methods. Specifically adaptive noise cancellation is employed to perform the compensation. The paper discusses the choice of the system parameters, type of algorithm to be used and performance of the technique when applied to array elements both close and distant in the array. A comparison with conventional compensation is also made.

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