二维RCS成像的混合方法

M.M. Giray, S. Mishra
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引用次数: 1

摘要

提出了一种混合二维光谱分析方法在雷达截面成像中的应用。该混合方案采用标准的FFT(快速傅里叶变换)技术和超分辨率MUSIC算法形成二维图像。这种方法的优点是可以提高具有短数据记录的维度的分辨率。这种混合方法被应用于立方体的二维RCS分析。给出了考虑10度纵横角的RCS数据的情况下的结果。结果表明,采用混合方案,与目标相关的散射中心得到了预期的分解,而标准的二维FFT算法无法识别散射中心。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A hybrid approach for 2-D RCS imaging
The use of a hybrid 2-D spectral analysis method in RCS (radar cross section) imaging is presented. The hybrid scheme uses the standard FFT (fast Fourier transform) technique and the super resolution MUSIC algorithm subsequently to form the 2-D image. This approach can have the advantage of improving the resolution in the dimension where short data records are available. This hybrid approach was applied to the 2-D RCS analysis of a cube. The results are given for the case where the RCS data over an aspect angle of 10 degrees are considered. They indicate that by using the hybrid scheme, the scattering centers associated with the target are resolved as expected, whereas the standard 2-D FFT algorithm failed to identify the scattering centers.<>
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