Results 41 to 50 of about 153 (75)
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 +3 more
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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 +2 more
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Experimental analysis of sea clutter in shipborne HFSWR [PDF]
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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Analysis and Estimation of Shipborne HFSWR Target Parameters Under the Influence of Platform Motion
IEEE Transactions on Geoscience and Remote Sensing, 2021For onshore high-frequency surface-wave radar (HFSWR), target parameter estimation focuses mainly on distance and velocity demodulation, then on azimuth determination. However, these parameters are difficult to solve accurately for shipborne HFSWR targets due to additional modulation on the echo signal introduced by the forward and six-degree-of ...
Kaixian Yang +4 more
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Target detection and estimation for shipborne HFSWR based on oblique projection [PDF]
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 +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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IEEE Journal of Oceanic Engineering, 2015
The spreading of the dominant first-order Bragg lines in shipborne high-frequency surface wave radar (HFSWR) severely obscures the detection of the slow-moving targets and the measurement of ocean clutter. Space–time adaptive processing (STAP) is an effective tool for solving the problem.
Junhao Xie +3 more
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The spreading of the dominant first-order Bragg lines in shipborne high-frequency surface wave radar (HFSWR) severely obscures the detection of the slow-moving targets and the measurement of ocean clutter. Space–time adaptive processing (STAP) is an effective tool for solving the problem.
Junhao Xie +3 more
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Accurate Direction Finding for Shipborne HFSWR Through Platform Motion Compensation
IEEE Transactions on Geoscience and Remote Sensing, 2023Cheng Wang +4 more
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Measurement of surface currents from a shipborne HFSWR
2014 IEEE Radar Conference, 2014 Zhongbao Wang +4 more
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Target Monitoring Capability Analysis for Shipborne HFSWR Under Different Platform Motions
IEEE Transactions on Geoscience and Remote SensingYonggang Ji +5 more
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