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Analyzing and fitting the HY-2 satellite data by least square method (LSM), a multi-parameter polynomial regression model of retrieving ocean surface wind speed for HY-2 altimeter is presented in this paper. Its accuracy is about 0.157m/s when a single parameter of Ku band backscattering coefficient (σKu0) is introduced into the polynomial model, while the retrieval wind speed accuracy can be greatly...
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