Sea surface wind speed inversion method for Tiangong-2 detection data based on deep learning
A technology of deep learning and sea surface wind speed, which is applied in the field of remote sensing, can solve problems such as the inversion of sea surface wind speed from Tiangong-2 detection data, and achieve the effects of easy implementation, improved accuracy, and high efficiency
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[0025] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.
[0026] The Tiangong-2 imaging altimeter is the first altimeter in the world that uses a small incident angle and a short interference baseline to achieve a wide swath. method. Tiangong-2 imaging height can calculate the image amplitude spectrum, image phase spectrum, image mean value and image variance after receiving the backscatter coefficient reflected from the sea surface. These parameter information are closely related to the sea surface wind speed, and the powerful nonlinear function of the deep neural network can be used to fit the relationship between these parameters and the sea surface wind speed, without the need to study the deep relationship between various physical quantities of t...
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