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1 November 2021 Broadband image rejection downconverter based on parallel installed dual-drive Mach-Zehnder modulators
Jiasi Yang, Xinlu Gao, Hanxiao Xue, Zhonghan Su, Zhennan Zheng, Xinchao Zhao, Shanguo Huang
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Proceedings Volume 12057, Twelfth International Conference on Information Optics and Photonics; 1205721 (2021) https://doi.org/10.1117/12.2605727
Event: Twelfth International Conference on Information Optics and Photonics, 2021, Xi'an, China
Abstract
Image-reject downconverter plays an essential role in radar receiving systems to eliminate the image interference causing by the complex electromagnetic environment. In this paper, we propose a broadband image rejection downconverter based on parallel installed dual-drive Mach-Zehnder modulators (DMZMs). The system is very simple without using any filters, contributing to a large working bandwidth. A simulation verification is set up. The results show that the image interference can be well suppressed ranging a wide bandwidth and the image rejection of the broadband data signal is also realized.
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Jiasi Yang, Xinlu Gao, Hanxiao Xue, Zhonghan Su, Zhennan Zheng, Xinchao Zhao, and Shanguo Huang "Broadband image rejection downconverter based on parallel installed dual-drive Mach-Zehnder modulators", Proc. SPIE 12057, Twelfth International Conference on Information Optics and Photonics, 1205721 (1 November 2021); https://doi.org/10.1117/12.2605727
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KEYWORDS
Modulation
Modulators
Radar
Receivers
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