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Yi Zheng

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Proceedings Article | 9 October 2021 Paper

Research and prospects of integrated optical beamforming network for phased array radar

Li Lu, Zhen Wang, Yuan Jiang, Yi Zheng

Proceedings Volume 11906, 1190618 (2021) https://doi.org/10.1117/12.2602585

KEYWORDS: Phase shifts, Radar, Phased array optics, Microwave photonics

Read Abstract +

In order to realize multi-function, the radar has wide instantaneous bandwidth and working bandwidth. Unfortunately, the traditional phased array radar antenna by microwave phase shifter or direct digital synthesis in the way of phasing. There are two limitations after increasing the instantaneous bandwidth: "beam squinting" and "aperture traverse delay", which cause the beam divergence and the beam broadening. In this paper, the integrated optical beamforming network technologies are discussed analyzed, which provide certain theoretical support for the research of the future multi-band broadband reconfigurable radar and even the engineering of microwave photonic radar.

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