Ka/ x波段数字波束形成合成孔径对地观测雷达

2015 7th International Conference on Recent Advances in Space Technologies (RAST) Pub Date : 2015-06-16 DOI:10.1109/RAST.2015.7208429

S. Gao, F. Qin, C. Mao, A. Patyuchenko, M. Younis, G. Krieger, S. Glisic, W. Debski, L. Boccia, G. Amendola, E. Arnieri, M. Krstic, A. Koczor, P. Penkala, E. Celton

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引用次数: 10

摘要

介绍了一种Ka/ x波段数字波束形成星载合成孔径雷达(SAR)。为了克服当前SAR系统的性能限制，同时降低成本、尺寸、质量和功耗，它采用了一种多静态无源雷达概念，采用DBF、高度集成的模拟和数字电路以及共享孔径Ka/X波段双极化天线。该系统采用紧凑的模块化结构，能够实现星载SAR任务的各种配置。介绍了雷达的概念，然后给出了天线、模拟电路和数字电路以及MMIC技术的一些结果。

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A Ka/X-band digital beamforming synthetic aperture radar for earth observation

A Ka/X-band digital beamforming (DBF) spaceborne Synthetic Aperture Radar (SAR) is presented in this paper. To overcome the performance limitations of current SAR systems while reducing the cost, size, mass and power consumption, it employs a multi-static passive radar concept using DBF, highly integrated analogue and digital circuits and shared-aperture Ka/X band dual-polarization antennas. Compact modular architecture of the proposed system enables the realization of various configurations of spaceborne SAR missions. The radar concept is introduced, followed by some results of antennas, analogue and digital circuits as well as the MMIC technologies.

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2015 7th International Conference on Recent Advances in Space Technologies (RAST)

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