Photonics-Based Simultaneous Angle of Arrival and Frequency Measurement System With Multiple-Target Detection Capability

Yue Yang,Cong Ma,Beichen Fan,Xiangchuan Wang,Fangzheng Zhang,Yu Xiang,Shilong Pan

Journal of Lightwave Technology（2021）

引用 9|浏览2

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摘要

A photonics-based system for simultaneous angle of arrival (AOA) and frequency measurement is proposed and demonstrated. In the proposed system, an acousto-optic modulator (AOM) based optical frequency shift loop (OFSL) is used to generate an optical frequency-stepped local oscillator (LO). After balanced in-phase and quadrature (I/Q) down-conversion with the frequency-stepped LO, the frequency to...

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关键词

Frequency measurement,Optical filters,Optical amplifiers,Optical modulation,Frequency modulation,Radio frequency,Optical variables measurement

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