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RISCorrection of Amplitudes of Bragg Lines in the Sea Echo Doppler Spectrum of an Ocean Radar
Publisher: American Meteorological Society
Abstract: Amplitudes of Bragg lines in the Doppler spectrum of high frequency or very high frequency (VHF) ocean radar sea echoes are important because they are used in normalizing the second-order scattering when calculating ocean ...
Short-Wave Directional Distribution for First-Order Bragg Echoes of the HF Ocean Radars
Publisher: American Meteorological Society
Abstract: Directional distributions of 0.505-Hz ocean waves were investigated using 24.5-MHz HF ocean radars. Recent observations of surface waves reported that the wave directional distribution was bimodal rather than unimodal in ...
Quality Control of Surface Wave Data Estimated from Low Signal-to-Noise Ratio HF Radar Doppler Spectra
Publisher: American Meteorological Society
Abstract: Ocean wave spectra estimated by high-frequency (HF) radar are very sensitive to the noise of Doppler spectra. The method for estimating wave spectra has been improved. This method is a nonlinear inversion and can be applied ...
Ocean Wave Directional Spectra Estimation from an HF Ocean Radar with a Single Antenna Array: Methodology
Publisher: American Meteorological Society
Abstract: A method to estimate ocean wave directional spectra using a high-frequency (HF) ocean radar was developed. The governing equations of wave spectra are integral equations of first- and second-order radar cross sections, the ...
Sea Surface Wind Correction Using HF Ocean Radar and Its Impact on Coastal Wave Prediction
Publisher: American Meteorological Society
Abstract: AbstractBoth wind speeds and wind directions are important for predicting wave heights near complex coastal areas, such as small islands, because the fetch is sensitive to the wind direction. High-frequency (HF) radar can ...