Cubic phase function: A simple solution to polynomial phase signal analysis

I Djurović, M Simeunović, P Wang - Signal Processing, 2017 - Elsevier
This article provides an overview of the cubic phase function (CPF) as a tool proposed for
both parametric and nonparametric estimation of the frequency modulated (FM) and in …

Detection of weak maneuvering target based on keystone transform and matched filtering process

Z Sun, X Li, W Yi, G Cui, L Kong - Signal Processing, 2017 - Elsevier
Detection of weak maneuvering target often suffers from the problems of the range migration
(RM) and the Doppler frequency migration (DFM) within the coherent pulse interval. In order …

GMTI and parameter estimation for MIMO SAR system via fast interferometry RPCA method

Y Huang, G Liao, J Xu, J Li… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Multiple-input multiple-output synthetic aperture radar (MIMO SAR) system has drawn
considerable attention because of its extra degrees of freedom for high resolution and wide …

GMTI and parameter estimation via time-Doppler chirp-varying approach for single-channel airborne SAR system

Y Huang, G Liao, J Xu, J Li - IEEE Transactions on Geoscience …, 2017 - ieeexplore.ieee.org
Conventionally, a single-channel synthetic aperture radar (SC-SAR) system can hardly
detect weak moving targets simply. In this paper, a time-Doppler chirp-varying (TDCV) filter …

Refocusing of moving targets in SAR images via parametric sparse representation

Y Chen, G Li, Q Zhang, J Sun - Remote Sensing, 2017 - mdpi.com
In this paper, a parametric sparse representation (PSR) method is proposed for refocusing of
moving targets in synthetic aperture radar (SAR) images. In regular SAR images, moving …

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 moving target refocusing in SAR imagery using scaled GHAF

P Huang, XG Xia, G Liao, Z Yang… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
In this paper, a new method is proposed to refocus a ground moving target in synthetic
aperture radar imagery. In this method, range migration is compensated in the 2-D …

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 …

Ground moving target motion parameter estimation using Radon modified Lv's distribution

W Yu, W Su, H Gu - Digital Signal Processing, 2017 - Elsevier
With a long synthetic aperture time, the energy of the ground moving target will be
defocused due to the effect of range migration (RM) and Doppler frequency migration (DFM) …

Moving target refocusing algorithm in 2-D wavenumber domain after BP integral

Q Dong, MD Xing, XG Xia, S Zhang… - IEEE Geoscience and …, 2017 - ieeexplore.ieee.org
Focusing moving targets with frequency-domain algorithms may suffer from azimuth
spectrum not entirely contained within a pulse-repetition frequency band, which may lead to …