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Proceedings Paper

Decimated Arrays For Spectrum Analysis
Author(s): A. VanderLugt
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Paper Abstract

We describe heterodyne spectrum analyzers that operate with a significantly reduced number of photodetector elements. The technique is to decimate an N-element photodetector array by retaining only every Mth element. We time-share the remaining elements by scanning the spectrum across the decimated array. Each photodetector therefore produces, as a time sequence of samples, the spectral content of the received signal over its associated spatial frequency range.

Paper Details

Date Published: 22 August 1988
PDF: 8 pages
Proc. SPIE 0936, Advances in Optical Information Processing III, (22 August 1988); doi: 10.1117/12.946938
Show Author Affiliations
A. VanderLugt, North Carolina State University (United States)

Published in SPIE Proceedings Vol. 0936:
Advances in Optical Information Processing III
Dennis R. Pape, Editor(s)

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