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3-D E-CSAR imaging of a T-72 tank and synthesis of its SAR reconstructions

机译:T-72罐的3-D E-CSAR成像和其SAR重建的合成

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摘要

The results of three-dimensional (3-D) imaging of a T-72 tank using its angular azimuthal (turntable) and linear elevation synthetic aperture data at X band are presented. This is achieved using an accurate and computationally efficient wavefront (Fourier-based) reconstruction algorithm for elevation and circular (E-CSAR) data. The E-CSAR 3-D images are then used to synthesize 2-D spotlight and stripmap slant plane synthetic aperture radar (SAR) images of the target at a desired range and squint angle. For this purpose, a procedure is introduced that incorporates the spatially varying azimuthal and elevation Doppler signatures of individual reflectors on the target as well as the mean range, azimuth, and elevation of the flight path. Results using the E-CSAR images of the T-72 tank are provided.
机译:呈现了在X频带处使用其角方位角(转盘)和线性仰卧合成孔径数据的T-72罐的三维(3-D)成像的结果。这是使用精确和计算的高效波前(傅立叶的)重建算法来实现,用于高程和圆形(E-CSAR)数据。然后,E-CSAR 3-D图像以在所需范围和斜视角度地合成靶的2-D聚光灯和RILTMAP倾斜平面合成孔径雷达(SAR)图像。为此目的,引入了一种过程,其包括在目标上的各个反射器的空间变化的方位角和高度多普勒签名以及飞行路径的平均范围,方位角和仰角。提供了使用T-72罐的E-CSAR图像的结果。

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