基于SVA和时频分析的ISAR成像

2015 Eighth International Conference on Internet Computing for Science and Engineering (ICICSE) Pub Date : 2015-11-06 DOI:10.1109/ICICSE.2015.32

Zhiting Fei

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引用次数: 1

摘要

讨论了时频分析在ISAR成像中的应用。在不降低主瓣分辨率的前提下，引入了一维和二维空间变离化，显著降低了副瓣电平。提出了将SVA与时频分析相结合用于机动目标的ISAR成像，以提高传统RD算法的成像质量。仿真数据表明，该方法能获得较好的机动目标ISAR成像效果。

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ISAR Imaging Based on SVA and Time Frequency Analysis

The application of time-frequency analysis on ISAR imaging is discussed in this paper. Spatially variant apodization in one dimension and two dimensions are introduced to significantly reduce sidelobe levels without degrading mainlobe resolution. Combination of the SVA and time-frequency analysis in ISAR imaging of the maneuvering target is proposed to improve imaging quality of the traditional RD algorithm. Simulation data demonstrate this method can get good ISAR imaging for maneuvering targets.

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2015 Eighth International Conference on Internet Computing for Science and Engineering (ICICSE)

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