Results 61 to 70 of about 463 (152)
Miniaturisation of high‐frequency SURFACE wave radar transmitting antenna
The Journal of Engineering, Volume 2019, Issue 19, Page 6222-6225, October 2019., 2019 Antennas operating in the high‐frequency (HF) bands are generally relatively large in size, which severely limits the application of the antennas. Therefore, miniaturisation of the antenna is necessary. Here, a dual‐folded structure Yagi antenna is designed for HF surface wave radar (SWR).
Hong‐Bo Li, Yang Song, Chang‐Jun Yu
wiley +1 more source
Density Based Clustering Data Association Procedure for Real–Time HFSWRs Tracking at OTH Distances
IEEE Access, 2020 In order to efficiently cover maritime areas at over the horizon (OTH) distances and thus increase marine safety in a nation's exclusive economic zone (EEZ), a network of maritime sensors built around High Frequency Surface Wave Radars (HFSWR) can be an ...
Nikola Stojkovic +2 more
doaj +1 more source
Space-Time Cascaded Processing-Based Adaptive Transient Interference Mitigation for Compact HFSWR
, 2023 In high-frequency (HF) radar systems, transient interference is a common phenomenon that dramatically degrades the performance of target detection and remote sensing.
Qiushi Chen, Qiyan Tian, Di Yao
core +1 more source
The Application of JDL to Suppress Sea Clutter for Shipborne HFSWR [PDF]
, 2015 This paper deals with the problem of sea clutter suppression for shipborne high frequency surface wave radar (HFSWR) based on the joint domain localized (JDL) adaptive processing algorithm. The performance of the novel method is compared with 2D FFT plus
Yang Li +3 more
core +1 more source
Prediction method for ionospheric clutter suppression for HFSWR
Electronics Letters, 2019 The detection performance of high‐frequency surface wave radar (HFSWR) is significantly impacted by ionospheric clutter and sea clutter. In order to suppress the ionospheric clutter, a new method based on the largest Lyapunov exponent prediction algorithm is proposed in this Letter.
Lyu Zhe, Yu ChangJun, Liu AiJun
openaire +1 more source
Remote SensingShipborne high-frequency surface wave radar (HFSWR) can extend the measurement area due to the flexible movement of the platform and provide a new way to monitor large-area marine environment parameters.
Xinbo Zhang +3 more
doaj +1 more source
MIMO High Frequency Surface Wave Radar Using Sparse Frequency FMCW Signals
International Journal of Antennas and Propagation, 2017 The heavily congested radio frequency environment severely limits the signal bandwidth of the high frequency surface wave radar (HFSWR). Based on the concept of multiple-input multiple-output (MIMO) radar, we propose a MIMO sparse frequency HFSWR system ...
Mengguan Pan, Baixiao Chen
doaj +1 more source
Maritime Over the Horizon Sensor Integration: HFSWR Data Fusion Algorithm
, 2019 In order to provide a constant and complete operational picture of the maritime situation in the Exclusive Economic Zone (EEZ) at over the horizon (OTH) distances, a network of high frequency surface-wave-radars (HFSWR) slowly becomes a necessity.
Nikola Tosic +6 more
core +1 more source
Radio and Clutter Suppression Algorithm Based on Spatial Multiple Beams for Small-Aperture HFSWR [PDF]
, 2018 Radio and clutter that cover a certain number of range-Doppler-angle cells have a major impact on the detection performance of a high-frequency surface wave radar (HFSWR) system.
Qiang Yang +3 more
core +1 more source
Robustness of a correction method applied to a vertically deformed HFSWR on buoys
, 2009 International audienceThis paper presents two correction methods for vertical deformations of the receiving array belonging to HFSWR on buoys. The method inspired from Schelkunoff's representation is more robust to the deformation's uncertainty ...
Guinvarc'H, Régis +4 more
core +1 more source