Ground moving target imaging based on keystone transform and coherently integrated CPF with a single-channel SAR

P Huang, XG Xia, G Liao, Z Yang - IEEE Journal of Selected …, 2017 - ieeexplore.ieee.org
It is well known that ground moving targets may be smeared in a synthetic aperture radar
(SAR) image due to the range migration, Doppler phase broadening, and velocity ambiguity …

Ground maneuvering targets imaging for synthetic aperture radar based on second-order keystone transform and high-order motion parameter estimation

C Zeng, D Li, X Luo, D Song, H Liu… - IEEE Journal of Selected …, 2019 - ieeexplore.ieee.org
With the developments of the synthetic aperture radar (SAR) system, the long dwell time
provides high resolution but at the same time it produces large range migration (RM) and …

Refocusing of ground moving targets with Doppler ambiguity using keystone transform and modified second-order keystone transform for synthetic aperture radar

J Wan, X Tan, Z Chen, D Li, Q Liu, Y Zhou, L Zhang - Remote Sensing, 2021 - mdpi.com
Ground moving targets will typically be defocused because of the range migration (RM) and
Doppler frequency migration (DFM) caused by the unknown relative motions between the …

An efficient SAR ground moving target refocusing method based on PPFFT and coherently integrated CPF

D Li, C Zhang, H Ma, H Liu, J Su, Q Liu - IEEE Access, 2019 - ieeexplore.ieee.org
The problem of ground moving target imaging and detection is difficult due to the large
range cell migration (RCM) and time-varying Doppler frequency migration (DFM) in synthetic …

A novel SAR ground maneuvering target imaging method based on adaptive phase tracking

H Du, Y Song, N Jiang, D An, W Wang… - … on Geoscience and …, 2023 - ieeexplore.ieee.org
Ground-moving targets with complex motions often appear seriously dislocated and
smeared in synthetic aperture radar (SAR) imagery due to noncooperative motion …

Ground moving target imaging based on MSOKT and KT for synthetic aperture radar

J Wan, Z Chen, Y Zhou, D Li, Y Huang… - IGARSS 2020-2020 …, 2020 - ieeexplore.ieee.org
The synthetic aperture radar (SAR) image of ground moving targets will be typical smeared
given the range migration (RM) and Doppler frequency migration (DFM). To deal with these …

An approach for refocusing of ground moving target without target motion parameter estimation

P Huang, G Liao, Z Yang, XG Xia, J Ma… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
In synthetic aperture radar (SAR), long integration time may induce range migration and
Doppler frequency migration of a received signal, which may degrade the SAR imaging …

A fast ground moving target focusing method based on first-order discrete polynomial-phase transform

Z Xin, G Liao, Z Yang, P Huang, J Ma - Digital Signal Processing, 2017 - Elsevier
A new ground moving target focusing method for airborne synthetic aperture radar (SAR) is
introduced in this paper. Firstly, first-order discrete polynomial-phase transform (DPT) is …

Fast non-searching method for ground moving target refocusing and motion parameters estimation

X He, G Liao, S Zhu, J Xu, Y Guo, J Wei - Digital Signal Processing, 2018 - Elsevier
Ground moving targets may be smeared in a synthetic aperture radar (SAR) image due to
the range migration, Doppler ambiguity and azimuth spectrum split caused by target …

Ground maneuvering target detection based on discrete polynomial-phase transform and Lv's distribution

W Yu, W Su, H Gu - Signal Processing, 2018 - Elsevier
In a synthetic aperture radar (SAR) system, prolonging the integration time can improve the
detection performance of the ground moving target. However, the complex motions of the …