A Method for 3-D ISAR Imaging of Space Debris

A Method for 3-D ISAR Imaging of Space Debris
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空间碎片 3-D ISAR 成像方法

DOI:
10.1109/taes.2018.2866033
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发表时间:
2019-04
影响因子:
4.4
通讯作者:
Liu Lei
Liu Lei
中科院分区:
计算机科学2区
文献类型:
--
作者:
Ning Yu;Zhou Feng;Bai Xueru;Liu Lei

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空间碎片的雷达回波存在脉冲采样不足、自遮挡、数据丢失等问题,现有的雷达成像算法效率低下。为了解决这个问题,本文提出了一种新的方法,空间碎片的三维(3-D)成像。这种迭代算法自动终止,并能恢复空间碎片雷达散射截面的强度,使其在实际应用中具有实用性。与基于多基地逆合成孔径雷达的三维成像方法不同,该方法适用于单基地ISAR。
The radar echoes of space debris sometimes have drawbacks of inadequate pulse samples, self-occlusion, and data missing, while the state-of-art radar imaging algorithms become unproductive. To tackle this problem, this paper proposes a novel method for three-dimensional (3-D) imaging of space debris. This iterative algorithm terminates automatically and can recover the intensity of space debris radar cross section, making it practical in real-world applications. Unlike the 3-D imaging methods based on multistatic inverse synthetic aperture radar, the proposed method is applicable to monostatic ISAR.
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