A modified keystone transform matched filtering method for space-moving target detection

M Zhan, P Huang, S Zhu, X Liu, G Liao… - … on Geoscience and …, 2021 - ieeexplore.ieee.org
High speed, high maneuverability, and weak space-moving targets (SMTs) are major threats
for space-borne radar (SBR) systems. First, the severe range migration (RM) and Doppler …

Subaperture keystone transform matched filtering algorithm and its application for air moving target detection in an SBEWR system

M Zhan, C Zhao, K Qin, P Huang… - IEEE Journal of …, 2023 - ieeexplore.ieee.org
Long-time coherent integration is an effective approach to improve detection performance
for weak air moving targets (AMTs). The range position variation and azimuth Doppler …

A Doppler ambiguity tolerated method for radar sensor maneuvering target focusing and detection

J Wan, Y Zhou, L Zhang, Z Chen - IEEE Sensors Journal, 2019 - ieeexplore.ieee.org
Maneuvering target detection is a challenging task for modern radar sensor applications.
Range migration (RM) and Doppler frequency migration (DFM) lead to serious coherent …

An Hybrid Integration Method-Based Track-before-Detect for High-Speed and High-Maneuvering Targets in Ubiquitous Radar

X Peng, Q Song, Y Zhang, W Wang - Remote Sensing, 2023 - mdpi.com
Due to the limited transmission gain of ubiquitous radar systems, it has become necessary to
use a long-time coherent integration method for range-Doppler (RD) analysis. However …

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 …

Space maneuvering target integration detection and parameter estimation for a spaceborne radar system with target Doppler aliasing

M Zhan, P Huang, X Liu, G Liao… - IEEE Journal of …, 2020 - ieeexplore.ieee.org
Space maneuvering target detection and parameter estimation are the challenging
problems in a spaceborne radar system. The complex motion of an observed target usually …

An efficient method for ground maneuvering target refocusing and motion parameter estimation based on DPT–KT–MFP

M Tian, G Liao, S Zhu, X He, Y Liu, Y Li - Remote Sensing, 2021 - mdpi.com
The image of ground maneuvering targets may be defocused due to the Doppler ambiguity,
high-order range migration (RM), and Doppler frequency migration (DFM) caused by the …

Long-time coherent integration for maneuvering target based on second-order keystone transform and Lv's distribution

D Yao, X Zhang, Z Sun - Electronics, 2022 - mdpi.com
Maneuvering target detection is a challenging task for radar due to its maneuverability and
weak energy. Long-term coherent integration can remarkably increase signal energy to …

Long-time coherent integration for weak maneuvering target detection and high-order motion parameter estimation based on keystone transform

P Huang, G Liao, Z Yang, XG Xia… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
In the airborne or spaceborne radar applications, prolonging the coherent integration time is
one of the effective methods to improve the radar detection ability of a weak maneuvering …

Radar high-speed maneuvering target detection based on joint second-order keystone transform and modified integrated cubic phase function

J Zhang, T Su, Y Li, J Zheng - Journal of Applied Remote …, 2016 - spiedigitallibrary.org
Long-time coherent integration is an effective means to improve the radar detection ability of
high-speed maneuvering targets with jerk motion. However, the range migration (RM) and …