Decimated Arrays For Spectrum Analysis

A. VanderLugt

doi:10.1117/12.946938

22 August 1988 Decimated Arrays For Spectrum Analysis

A. VanderLugt

Proceedings Volume 0936, Advances in Optical Information Processing III; (1988) https://doi.org/10.1117/12.946938
Event: 1988 Technical Symposium on Optics, Electro-Optics, and Sensors, 1988, Orlando, FL, United States

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 M^th 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.

Citation Download Citation

A. VanderLugt "Decimated Arrays For Spectrum Analysis", Proc. SPIE 0936, Advances in Optical Information Processing III, (22 August 1988); https://doi.org/10.1117/12.946938

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