Nonlinear Trajectory Synthetic Aperture Radar Imaging and Autofocus Algorithm Based on Sub-image Nonlinear Chirp Scaling

Nonlinear Trajectory Synthetic Aperture Radar Imaging and Autofocus Algorithm Based on Sub-image Nonlinear Chirp Scaling

The radar echo signal may experience substantial two-dimensional spatial variance due to the nonlinear Synthetic Aperture Radar (SAR) trajectory. The traditional frequency-domain imaging algorithms based on the assumption of azimuth translational invariance are unsuitable for high-precision imaging...

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Bibliographic Details
Main Authors: Jianlai CHEN, Yi XIONG, Gang XU, Junchao ZHANG, Degui YANG, Buge LIANG
Format: Article
Language:English
Published: China Science Publishing & Media Ltd. (CSPM) 2022-12-01
Series:Leida xuebao
Subjects:
synthetic aperture radar (sar)
nonlinear trajectory
nonlinear chirp scaling (ncs)
two-dimensional spatial-variant
autofocus
Online Access:https://radars.ac.cn/cn/article/doi/10.12000/JR22171

Internet

https://radars.ac.cn/cn/article/doi/10.12000/JR22171

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