Chinese Optics Letters, 2017, 15 (1): 010013, Published Online: Jul. 26, 2018  

Performance evaluation of optical beamforming-based wideband antenna array (Invited Paper) Download: 829次

Author Affiliations
Key Laboratory of Radar Imaging and Microwave Photonics, Ministry of Education, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
Abstract
A wideband-generalized pattern multiplication approach to evaluate the performance of an optical beamforming-based wideband antenna array is proposed and experimentally demonstrated, which enables the far-field measurement of a large wideband array with a small anechoic chamber. Because the optimum reception of a wideband microwave signal is highly related to the time-domain distortions of the beamforming system, a correlation-receiver-based radiation pattern is applied to take the fidelity of the wideband signals into account. A four-element optical beamforming system is built to verify the feasibility of the proposed method. The results achieved by the proposed method agree well with the conventional direct measurements.

Xingwei Ye, Bowen Zhang, Yamei Zhang, Dan Zhu, Shilong Pan. Performance evaluation of optical beamforming-based wideband antenna array (Invited Paper)[J]. Chinese Optics Letters, 2017, 15(1): 010013.

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