基于ENCS算法的潜水加速度FMCW SAR成像方法

2015 IEEE Advanced Information Technology, Electronic and Automation Control Conference (IAEAC) Pub Date : 2015-12-01 DOI:10.1109/IAEAC.2015.7428552

Ying Luo, Ying Liang, Shang-wei Gao, Yang-cheng Ou, Hong-Wei Liu

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引用次数: 0

摘要

调频连续波(FMCW)合成孔径雷达(SAR)具有体积小、重量轻、成本低、功耗低等特点，在精确制导领域具有巨大的应用潜力。提出了一种考虑潜水加速度的FMCW SAR成像方法。利用序列反演算法对接收信号在多普勒频域的精确表达进行了评估，并提出了一种扩展的非线性啁啾缩放(ENCS)算法来补偿方位方差相位误差。仿真结果表明了该方法的有效性。

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Imaging method for FMCW SAR with diving acceleration based on ENCS algorithm

The frequency modulated continuous wave (FMCW) synthetic aperture radar (SAR) has the properties of compact size, lightweight, low cost and low power dissipation, which provides great potential in the application of precision guidance. This paper presents an imaging method of FMCW SAR with diving acceleration. The series reversion algorithm is used to evaluate the accurate expression of the received signal in Doppler frequency domain, and an extended nonlinear chirp scaling (ENCS) algorithm is proposed for compensating the azimuth variance phase error. The simulation is presented to show the effectiveness of the proposed method.

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2015 IEEE Advanced Information Technology, Electronic and Automation Control Conference (IAEAC)

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