Multifunctional receiver using an acousto-optic spectrum analyzer

Christopher Scott Anderson; Michael C. Zari; Reeder Noah Ward

doi:10.1117/12.243115

12 June 1996 Multifunctional receiver using an acousto-optic spectrum analyzer

Christopher Scott Anderson, Michael C. Zari, Reeder Noah Ward

Proceedings Volume 2754, Advances in Optical Information Processing VII; (1996) https://doi.org/10.1117/12.243115
Event: Aerospace/Defense Sensing and Controls, 1996, Orlando, FL, United States

Abstract

Acousto-optic spectrum analyzers (AOSAs) provide a convenient means of separating wide bandwidth signals into their frequency components. The two commonly implemented AOSA receivers are fast frequency channelizers and integrating spectral radiometers. By modifying the input signal and by providing additional digital post-processing, the AOSA can also perform radiometry, signal autocorrelation, and cross-correlation. The latter function allows a matched filter receiver to be implemented for signals that have time durations much longer than the signal processor. The resulting signal-to-noise (SNR) improvements from the receiver are consistent with the time-bandwidth product of the waveform, rather than the time-bandwidth product of the acousto-optic device. A mathematical foundation of the processor is presented along with specific receiver implementations.

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Christopher Scott Anderson, Michael C. Zari, and Reeder Noah Ward "Multifunctional receiver using an acousto-optic spectrum analyzer", Proc. SPIE 2754, Advances in Optical Information Processing VII, (12 June 1996); https://doi.org/10.1117/12.243115

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KEYWORDS

Receivers

Signal processing

Acousto-optics

Signal detection

Radiometry

Signal to noise ratio

Interference (communication)

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