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Title: Photonic-Assisted Scanning Receivers for Microwave Frequency Measurement
Authors: Song, S
Gan, L
Yi, X
Yang, W
Nguyen, L
Chew, SX
Li, L
Minasian, RA
Keywords: microwave photonics;frequency measurement
Issue Date: 2019
Publisher: MDPI
Citation: Applied Sciences, 2019
Abstract: We present a novel technique based on matrix pencil assisted deconvolution to improve the measurement resolution in scanning receiver systems for microwave frequency measurements. By modeling the scanning receiver output as the cross-correlation of the input modulated signal with the filter’s spectral response and applying the matrix pencil algorithm to convolve the detected optical signal at the receiver output, our technique offers precise estimations of both the frequency and power information of microwave signals with an improved measurement resolution. A multi-tone microwave signal measurement based on an optical filter is experimentally demonstrated, showing a significant measurement resolution reduction from 1 GHz to 0.4 GHz for two radio frequency (RF) tones, which is only about 30.2% of the optical filter bandwidth.
ISSN: 2076-3417
Appears in Collections:Dept of Electronic and Electrical Engineering Research Papers

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