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Proceedings Paper

Coded-Bias Mosaics
Author(s): Christopher M. Parry
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Paper Abstract

A multiplexing technique applicable to mosaic arrays of (2N-1)xM infrared photoconductors is described. This method employs bias coding. It represents an alternative funda-mentally different from the sequential-readout time-division multiplexing approach in general use. Some of the relevant theory of coding is summarized in both analytic and matrix form. Rationale is presented for the selection of binary codes in general, and maximal-length (pseudo-random) shift-register sequences in particular. Results obtained from a prototype, 31 x 31-element doped-silicon mosaic and data processing computer, oper-ating under low-background conditions, are described.

Paper Details

Date Published: 6 August 1980
PDF: 10 pages
Proc. SPIE 0225, Infrared Image Sensor Technology, (6 August 1980); doi: 10.1117/12.958706
Show Author Affiliations
Christopher M. Parry, Aeroiet ElectroSvstems Company (United States)

Published in SPIE Proceedings Vol. 0225:
Infrared Image Sensor Technology
Esther Krikorian, Editor(s)

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