A New Method for Compensation of SAR Range Cell Migration Based on the Pulse Z-Transform

O. Overrein
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引用次数: 3

Abstract

A new phase preserving SAR processor that solves the range dependent range cell migration problem is presented and verified theoretically in this paper. The operations involved are only Fourier transforms and multiplications. No interpolation is used, and the processor achieves O(M*log2(M)*N*log2(N)) floating point operations where M and N are arbitrary numbers of data samples in azimuth and range. The SAR processor works for squint mode as well as broadside SAR operation.
基于脉冲z变换的SAR距离单元偏移补偿新方法
提出了一种新的相位保持SAR处理器,解决了距离依赖距离单元的迁移问题,并进行了理论验证。所涉及的操作只是傅里叶变换和乘法。不使用插值,处理器实现O(M*log2(M)*N*log2(N))个浮点运算,其中M和N是方位角和范围内任意个数的数据样本。SAR处理器适用于斜视模式和宽幅SAR操作。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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