Results 41 to 50 of about 22,219,028 (112)
Introduction to Coastal HF Maritime Surveillance Radars
Polish Maritime Research, 2019 This paper presents the main technical characteristics and working performances of coastal maritime surveillance radars, such as low-power High-Frequency Surface Wave Radars (HFSWR) and Over the Horizon Radars (OTHR). These radars have demonstrated to be
Ilcev Dimov Stojce
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Remote Sensing, 2022 The echo of shipborne high-frequency surface wave radar (HFSWR) is modulated by six-degrees-of-freedom (6-DOF) motion, affecting the detection of the target and the remote sensing of ocean surface dynamics parameters.
Maorong Chen +6 more
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Coverage Area Analysis of Combined Sky-Wave and Surface-Wave Monostatic High Frequency Radar
IEEE Access, 2019 High-frequency combined sky-wave and surface-wave monostatic radar (CSSM-HF RADAR) is a new type of radar system inspired by the skywave components of high-frequency surface-wave radar (HFSWR). The new type of radar uses the combined propagation paths of
Mengxiao Zhao +3 more
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A New Demodulation and Modulation Method Designed for FMCW Radar
Journal of Electrical and Computer Engineering, 2010 An efficient demodulation method designed for FMCW (Frequency-Modulated Continuous Wave) radar is presented. It is a kind of modified DFT (IDFT) algorithm; the spectrum segment of interest can be easily extracted from the original signal without ...
Wei Shen, Biyang Wen
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Remote Sensing, 2023 The amplitude and phase errors in array elements lead to uncertainties in the estimation of arrival angles (DOA), which, in turn, affect the accuracy of current measurements for high-frequency surface wave radar (HFSWR). To address this issue, this paper
Wei Fu +5 more
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Modern spectral analysis in HF radar remote sensing. [PDF]
, 1998 High-Frequency (HF) radar systems are currently used to collect wave data. By applying spectral analysis methods, such as the Fast Fourier Transform (FFT) method, to the radar backscatter from the ocean surface, the so-called Doppler spectrum is ...
Vizinho, A
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Time Synchronisation for Passive Bistatic HFSWR via Kalman‐Filtered Delay‐Locked Loop
IET Radar, Sonar &Navigation, Volume 20, Issue 1, January/December 2026.This paper proposes a per‐chirp time synchronisation method, FLOS‐Kalman‐DLL, for passive bistatic high‐frequency surface wave radar (HFSWR) operating under the coexistence of clock drift and atmospheric impulsive noise. The method combines fractional lower‐order statistics with a Kalman‐filtered delay‐locked loop to achieve sub‐sample synchronisation ...
Yuan Lu, Jie Song, Wei Xiong, Yaqi Cui
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Remote Sensing, 2023 Due to its maneuverability and agility, the shipborne high-frequency surface wave radar (HFSWR) provides a new way of monitoring large-area marine dynamics and environment information.
Yunfeng Zhang +3 more
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Deghosting method for cross localization in distributed high frequency surface wave radar
The Journal of Engineering, Volume 2024, Issue 11, November 2024.To address the ghosts emerging during the cross localization in a novel distributed high frequency surface wave system, a multi‐stage deghosting method is utilized, which is based on the geometric characteristics, the velocity features, and the motion features of the targets across multiple frames.
Na Cui, Xuekun Chen, Changjun Yu
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DOA estimation with extended sparse and parametric approach in multi‐carrier MIMO HFSWR
The Journal of Engineering, Volume 2019, Issue 21, Page 7810-7814, November 2019., 2019 To obtain a higher angle resolution of multiple‐in multiple‐out high‐frequency surface wave radar (MIMO HFSWR) for direction of arrival (DOA) estimation with a limited number of antenna sensors, multiple working frequencies are proposed to enlarge the aperture of the virtual array of the MIMO HFSWR.
Aihua Liu +3 more
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