Sky-Wave Over-the-Horizon Radar Simulation Tool [PDF]
IET Radar, Sonar and Navigation, 2020 This work deals with the entire process of target detection and ranging by a sky‐wave over‐the‐horizon radar (OTHR) computational model simulation. The different processing stages of the transmitted signal along its space–time trajectory from transmission to digital signal processing are modelled.
Ana G Elias
exaly +5 more sources
Distributed Multistatic Sky-Wave Over-the-Horizon Radar Based on the Doppler Frequency for Marine Target Positioning [PDF]
Electronics, 2021 Maritime safety issues have aroused great attention, and it has become a difficult problem to use the sky-wave over-the-horizon radar system to locate foreign targets or perform emergency rescue quickly and timely. In this paper, a distributed multi-point sky-wave over-the-horizon radar system is used to locate marine targets.
Huotao Gao, Fangyu Ren
exaly +3 more sources
Performance Analysis of a Sky-Wave Over-the Horizon Radar Simulation Tools [PDF]
Revista Elektrón, 2023 This paper presents the main features of a skywave over-the-horizon radar simulation software and results on its ability to represent and detect different search scenarios.
Zenon Saavedra +4 more
doaj +4 more sources
Array self-calibration for sky-wave over-the-horizon radar with gain-phase errors [PDF]
The Journal of Engineering, 2019 This study proposes a novel algorithm for sky-wave over-the-horizon (OTH) radar array self-calibration with angle-independent gain-phase errors. The proposed method exploits backscattered echo from an ionised meteor trail, which can be considered as ...
Baiqiang Zhang, Junhao Xie
doaj +4 more sources
Distributed Multistatic Sky-Wave Over-the-Horizon Radar’s Positioning Algorithm for the Marine Target [PDF]
International Journal of Antennas and Propagation, 2021 This paper establishes a distributed multistatic sky-wave over-the-horizon radar (DMOTHR) model and proposes a semidefinite relaxation positioning (SDP) algorithm to locate marine ship targets.
Fangyu Ren +3 more
doaj +2 more sources
Experimental Research of HF Passive Radar Based on DRM Digital AM Broadcasting [PDF]
Leida xuebao, 2012 Radio Mondiale (DRM) digital AM broadcasting that have been first carried out in China, using the newly-developed all-digital active/passive integrated HF surface wave radar system.
Wan Xian-rong +5 more
doaj +3 more sources
Architecture and Signal Processing of Sky Wave Over-the-Horizon Radar [PDF]
Radio Science, 2003 The sky wave over‐the‐horizon radar (OTHR) is unique in the radar family that employs the ionosphere to reflect the radar high frequency signal to illuminate the target from the top down, thus significantly extending the detection range and permitting wide‐area surveillance.
Xin Guo, Jin‐Lin Ni, Guo‐Sui Liu
exaly +2 more sources
Adaptive HF Interference Cancellation for Sky Wave Over-the-Horizon Radar
Electronics Letters, 2011 A computationally efficient adaptive beamforming algorithm for high-frequency (HF) sky wave over-the-horizon radar to suppress the spatially nonstationary HF interference while preserving the temporal coherence of the clutter echoes is proposed. The proposed algorithm is based on the generalised sidelobe canceller structure with constraint on the time ...
Z Bao
exaly +2 more sources
Constant False Alarm Rate Detection Based on Estimating Statistical Distribution of Non-Homogeneous Sea Clutter in Sky-Wave Over-the-Horizon Radar [PDF]
IET Radar, Sonar and Navigation, 2020 In sky‐wave over‐the‐horizon radar (OTHR), there are some difficulties to efficiently detect targets in the non‐homogeneous sea clutter by using conventional constant false alarm rate detectors. The amplitude of the clutter is supposed to follow the Weibull distribution in OTHR.
Xinyang Wang, Longshan Wu
exaly +2 more sources
Adaptive processing method for interference cancellation in sky-wave OTHR
The Journal of Engineering, 2019 An algorithm is proposed to cancel the spatially non-stationary high-frequency (HF) interference in the returns of sky-wave over-the-horizon radar (OTHR).
Dongdong Jia, Baiqiang Zhang, Junhao Xie
doaj +1 more source