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Modified Omega-K algorithm for ground-based FMCW SAR imaging

机译:改进的Omega-K算法用于地面FMCW SAR成像

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摘要

The combination of ground-based synthetic aperture radar (GB-SAR) and frequency-modulated continuous-wave (FMCW) technology produces a high-resolution remote sensing system that is superior in deformation measurement. However, conventional focusing algorithms should be modified for GB-SAR geometry and FMCW signals. In this paper, an accurate GB FMCW SAR signal model is constructed, and a modified Omega-K algorithm is proposed to achieve optimal imaging. The algorithm is validated by simulation results.
机译:地面合成孔径雷达(GB-SAR)和调频连续波(FMCW)技术的结合,产生了一种在形变测量方面表现出色的高分辨率遥感系统。但是,应针对GB-SAR几何形状和FMCW信号修改常规的聚焦算法。本文建立了一个精确的GB FMCW SAR信号模型,并提出了一种改进的Omega-K算法来实现最佳成像。仿真结果验证了该算法的有效性。

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