TY - GEN
T1 - Optimal Time Selection Strategy Based on Imaging Projection Plane for Bistatic Sar Ship Target Imaging
AU - Wang, Yahui
AU - Yang, Qing
AU - Li, Junao
AU - Li, Zhongyu
AU - Wu, Junjie
AU - Yang, Jianyu
N1 - Publisher Copyright:
© 2024 IEEE.
PY - 2024
Y1 - 2024
N2 - In high sea states, ship targets often exhibit intense and complex rotational movements due to sea waves, leading to defocused and time-varying imaging results for bistatic synthetic aperture radar (SAR). This paper introduces a novel strategy for selecting optimal imaging times of ship targets by analyzing image projection plane (IPP). Utilizing short-time Fourier transform (STFT) on target echoes, rotation parameters of the ship are estimated via differential evolution (DE) method, to determine IPP throughout the entire observation period, so that the optimal imaging moments can be selected. By comparison of image contrasts and entropies, the optimal imaging time lengths are also refined. Overall, this paper offers an optimal time section strategy ensuring clear views of ship targets, and simulation results verify its effectiveness.
AB - In high sea states, ship targets often exhibit intense and complex rotational movements due to sea waves, leading to defocused and time-varying imaging results for bistatic synthetic aperture radar (SAR). This paper introduces a novel strategy for selecting optimal imaging times of ship targets by analyzing image projection plane (IPP). Utilizing short-time Fourier transform (STFT) on target echoes, rotation parameters of the ship are estimated via differential evolution (DE) method, to determine IPP throughout the entire observation period, so that the optimal imaging moments can be selected. By comparison of image contrasts and entropies, the optimal imaging time lengths are also refined. Overall, this paper offers an optimal time section strategy ensuring clear views of ship targets, and simulation results verify its effectiveness.
KW - DE method
KW - IPP
KW - STFT
KW - bistatic SAR
KW - imaging time selection
KW - rotation parameter estimation
UR - https://www.scopus.com/pages/publications/85204902032
U2 - 10.1109/IGARSS53475.2024.10640759
DO - 10.1109/IGARSS53475.2024.10640759
M3 - 会议稿件
AN - SCOPUS:85204902032
T3 - International Geoscience and Remote Sensing Symposium (IGARSS)
SP - 11392
EP - 11396
BT - IGARSS 2024 - 2024 IEEE International Geoscience and Remote Sensing Symposium, Proceedings
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 2024 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2024
Y2 - 7 July 2024 through 12 July 2024
ER -