Results 61 to 70 of about 2,243 (94)

STAP process of shipborne HFSWR motion compensation

2012 IEEE 11th International Conference on Signal Processing, 2012
In this paper, analysis of the broadening effect of the first-order sea clutter in the HFSWR (High Frequeny Surface Waves Radar) radar system of moving shipborne platform is given. The platform is moving in six degrees of freedom (DOF) and the model of movement has been built.
Zhenyuan Ji, Zaiyang Duan, Junhao Xie, Yang Li   +3 more
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Second-Order Ocean Surface Cross Section for Shipborne HFSWR

IEEE Antennas and Wireless Propagation Letters, 2015
To investigate the characteristics of sea clutter in monostatic shipborne high-frequency surface-wave radar (HFSWR) with uniform linear motion, the second-order patch scatter cross section is derived. With the previously proposed first-order ocean surface cross section, both cross sections could be reduced to the existing results in land-based HFSWR ...
Junhao Xie, Minglei Sun
exaly   +2 more sources

A Method for Shipborne HFSWR Target Echo Motion Compensation Based on AIS

IEEE Transactions on Aerospace and Electronic Systems
Weifeng Sun, Weimin Huang, Wang Yiming   +2 more
exaly   +2 more sources

Optimum weights of DPCA processing for shipborne HFSWR

ICSP '98. 1998 Fourth International Conference on Signal Processing (Cat. No.98TH8344), 2002
The displaced phase center antenna (DPCA) can be used to detect a ship in broadened first order Bragg lines due to platform motion in shipborne HFSWR (high frequency surface wave radar). In the paper it is shown that, by an analogy with the optimum weights of MTI (moving target indicator), the DPCA processing introduced by Xie et al.
null Junhao Xie, null Yeshu Yuan, null Yongtan Liu   +2 more
openaire   +1 more source

Experimental analysis of sea clutter in shipborne HFSWR

IEE Proceedings - Radar, Sonar and Navigation, 2001
The spreading of the dominant first order Bragg lines in shipborne HFSWR (high-frequency surface wave radar) severely obscures targets with Doppler frequencies within the spreading domain. STAP (space-time adaptive processing) is one of the effective methods for solving the problem.
J. Xie, Y. Yuan, Y. Liu
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Target Monitoring Capability Analysis for Shipborne HFSWR Under Different Platform Motions

IEEE Transactions on Geoscience and Remote Sensing
Weifeng Sun, Weimin Huang, Wang Yiming   +2 more
exaly   +3 more sources

Shipborne HFSWR Direction-Finding Method for Target Detection Based on Correction Matrix

IEEE Geoscience and Remote Sensing Letters
Ling Zhang, Q M Jonathan Wu, Cheng Wang   +2 more
exaly   +3 more sources

Target detection and estimation for shipborne HFSWR based on oblique projection

2012 IEEE 11th International Conference on Signal Processing, 2012
It is difficult to detect the target submerged in the spread spectrum of the first-order sea clutter caused by the platform motion in shipborne high frequency surface wave radar (HFSWR). Based on oblique projection operators with steering vector, a technique for the target detection in the spread clutter spectrum is proposed in this paper, which can ...
Minglei Sun, Junhao Xie, Zhongwen Hao, Chunlei Yi   +3 more
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Super-resolution processing for shipborne HFSWR based on an improved IMP

2016 CIE International Conference on Radar (RADAR), 2016
In this paper, Incremental Multi-Parameter (IMP) Algorithm, a kind of approximate maximum likelihood method which can realize super-resolution, is applied into shipborne HFSWR for angular resolution. In order to meet the need of single snapshot processing and practical application with IMP, an improved IMP algorithm is proposed, based on single ...
Baiqiang Zhang, Junhao Xie, Zhongwen Hao
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Sliding window SA-CNN-based CFAR detector for extended target in shipborne HFSWR

International Journal of Remote Sensing
Yonggang Ji, Jihong Ren
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