合成孔径雷达图像畸变建模

R. Amiri, Z. Rostami, K. Kianfar, M. Alaee, A. Moridi
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引用次数: 0

摘要

雷达成像系统是一种倾斜距离测量系统。这些距离测量是通过发送和接收脉冲的时间延迟获得的。由于特殊的几何成像,在形态和尺寸上造成了许多几何畸变(具有相当大的地形)。造成这些畸变的最主要因素是中途停留现象、视野缩短和雷达阴影。这些现象是入射局部角度的函数,而入射局部角度又与地球表面的视角和局部坡度有关。本文在MATLAB软件中对畸变进行建模。随后的模拟结果显示了在雷达图像上产生的畸变。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Distoration Modeling Produced on Synthetic Aperture Radar's Image
Radar imaging systems are slant distance measuring systems. These distance measurements are obtained via time delays of sending and receiving a pulse. As a result of especial geometry imaging, so many geometry distortions are made in morph and size of complications (with considerable topography). Overriding factors in these distortions are layover phenomenon, foreshortening and radar's shadow. These phenomenons are functions of incoming local angle which are also dependent on vision angle and local slope of the earth's surface. In this paper, distortions are modeled in MATLAB software. Thereafter results of this modeling show the distortions produced on radar's image.
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