Mechanism for extending instantaneous RF frequency coverage for

Details Mechanism for extending instantaneous RF frequency coverage for Mechanism for extending instantaneous RF frequency coverage for

1998-05-19

1999-07-13

Ben, Loha

Optical: systems and elements

Optical modulator

Light wave directional modulation

359306, 359162, 359285, 359618, G02F 133

Patent

active

059234601

ABSTRACT:
In order to increase the available signal processing bandwidth of an acousto-optic coherent channelizer, the optical beam spot-shaping and projection components of the channelizer are configured to project M reference beam spots upon each photodetector of the channelizer's photodetector array. The parameters of the reference Bragg cell, reference signal R(t), and Fourier optics components are such that they project M reference beam spots upon each photodetector of the channelizer's photodetector array, where M is the desired system bandwidth multiplication factor. No change to the configuration of the photodetector array or its associated post-detection signal processing electronics is required.

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patent: 5281907 (1994-01-01), Hartup et al.
patent: 5629911 (1997-05-01), Sasaki

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