An efficient strategy for accurate detection and localization of UAV swarms

J Zheng, R Chen, T Yang, X Liu, H Liu… - IEEE Internet of …, 2021 - ieeexplore.ieee.org
Unmanned aerial vehicle (UAV) swarms have shown great potential for Internet of Things
(IoT). Meantime, its malicious use may cause huge threat to the national security. UAV …

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 …

Weak target detection in the presence of sea clutter using radon-fractional fourier transform canceller

C Gao, R Tao, X Kang - IEEE Journal of Selected Topics in …, 2021 - ieeexplore.ieee.org
In this article, we propose a new weak maneuvering target detection method in a sea
environment with a Radon-fractional Fourier transform (RFrFT) canceller, which can …

Model-and-data-driven method for radar highly maneuvering target detection

C Wang, J Zheng, B Jiu, H Liu - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
This article addresses the coherent integration problem for detecting a highly maneuvering
radar target with the range migration (RM) and Doppler frequency migration (DFM) …

Ultrawideband ISAR imaging of maneuvering targets with joint high-order motion compensation and azimuth scaling

S Shao, H Liu, L Zhang, P Wang… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Ultrawideband (UWB) radar can achieve ultrahigh-resolution inverse synthetic aperture
radar (ISAR) imaging of noncooperative targets by transmitting UWB signals. However, the …

Generalized dechirp-keystone transform for radar high-speed maneuvering target detection and localization

J Zheng, K Zhu, Z Niu, H Liu, QH Liu - Remote Sensing, 2021 - mdpi.com
The multivariate range function of the high-speed maneuvering target induces modulations
on both the envelop and phase, ie, the range cell migration (RCM) and Doppler frequency …

A novel two-step scheme based on joint GO-DPCA and local STAP in image domain for multichannel SAR-GMTI

Z Wang, Y Wang, M Xing, GC Sun… - IEEE Journal of …, 2021 - ieeexplore.ieee.org
Multichannel synthetic aperture radar ground moving target indication has been widely used
and get great attention nowadays. Traditional adaptive methods like space-time adaptive …

Efficient ground moving target imaging method for synthetic aperture radar with target azimuth ambiguity

Z Chen, L Li, J Wan, D Li, X Tan - IEEE Sensors Journal, 2021 - ieeexplore.ieee.org
The synthetic aperture radar (SAR) image of ground moving target is easily defocused given
the unknown relative motions between radar and target. In addition, the limitation of pulse …

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 …

Moving target radial velocity estimation method for HRWS SAR system based on subspace projection

B Li, GC Sun, M Xing, X Chen, D You… - IEEE Geoscience and …, 2021 - ieeexplore.ieee.org
High-resolution wide-swath (HRWS) multichannel synthetic aperture radar (SAR) system
possesses a number of receiving channels along the azimuth direction, so it has the …