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A new multi-frequency HF (MHF) radar based on small circular antenna array is briefly introduced in this paper. For the purpose of reducing the area of receiving array, Radio Ocean Remote Sensing Laboratory of Wuhan University designed a small receiving array, which consists of 7 elements with a diameter of 5 meters, for MHF radar system in 2014. This new MHF radar system, adopting Frequency Modulated...
HF radar wave data are obtained through an iterative inversion procedure that provides an estimate of the directional spectrum, from which waveheight, period and direction parameters can be derived. The critical data quality requirements for the backscatter spectra, in order to generate reliable wave measurements, are the signal-to-noise levels in the second order regions along with a clear separation...
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