Long-time coherent integration algorithm for radar maneuvering weak target with acceleration rate

P Huang, XG Xia, G Liao, Z Yang… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
In this paper, we propose a long-time coherent integration method for a maneuvering target
with the first-, second-, and third-order range migrations, and the complex Doppler frequency …

Ground moving target refocusing in SAR imagery based on RFRT-FrFT

P Huang, XG Xia, Y Gao, X Liu, G Liao… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
In this paper, a new algorithm is presented to image ground moving targets in a synthetic
aperture radar (SAR) system based on range frequency reversal transform-fractional Fourier …

Coherent detection algorithm for radar maneuvering targets based on discrete polynomial-phase transform

C Pang, S Liu, Y Han - IEEE Journal of Selected Topics in …, 2019 - ieeexplore.ieee.org
Radar detection of maneuvering targets with high velocity and acceleration often results in
severely deteriorative performance or even failure. Parameter-search approaches are …

Long-time coherent integration for maneuvering target detection based on ITRT-MRFT

L Lin, G Sun, Z Cheng, Z He - IEEE Sensors Journal, 2019 - ieeexplore.ieee.org
Long-time coherent integration can effectively improve the radar detection ability of a
maneuvering target. However, with the increasing of integration time, radial velocity and …

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 …

[HTML][HTML] Coherent integration for radar high-speed maneuvering target based on frequency-domain second-order phase difference

K Jin, T Lai, Y Wang, G Li, Y Zhao - Electronics, 2019 - mdpi.com
In recent years, target detection has drawn increasing attention in the field of radar signal
processing. In this paper, we address the problem of coherent integration for detecting high …

Analysis of array sparsity in active incoherent microwave imaging

S Vakalis, JA Nanzer - IEEE Geoscience and Remote Sensing …, 2019 - ieeexplore.ieee.org
A recently developed active incoherent imaging technique uses noise waveforms and
spatial frequency sampling to reconstruct images in the microwave frequency range. By …

Ground moving target focusing and motion parameter estimation method via MSOKT for synthetic aperture radar

J Wan, Y Zhou, L Zhang, Z Chen - IET Signal Processing, 2019 - Wiley Online Library
In this study, a ground moving target focusing and motion parameter estimation method
based on modified second‐order keystone transform (MSOKT) have been proposed for a …

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 …

Joint estimation of time delay, Doppler velocity and Doppler rate of unknown wideband signals

X Xiao, F Guo - Circuits, Systems, and Signal Processing, 2019 - Springer
In this work, we consider the joint estimation of time delay, Doppler velocity and Doppler rate
of unknown wideband signals, in the sense that the time delay migration over time and …