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The error transfer of Doppler spectrum model in ocean surface current direct inversion | IEEE Conference Publication | IEEE Xplore

The error transfer of Doppler spectrum model in ocean surface current direct inversion


Abstract:

Microwave remote sensing is one of the most useful methods for observing the ocean parameters. The Doppler frequency of the radar echoes can be used for ocean surface cur...Show More

Abstract:

Microwave remote sensing is one of the most useful methods for observing the ocean parameters. The Doppler frequency of the radar echoes can be used for ocean surface current speed retrieval. While the effect of the ocean currents and waves are interactional. In this paper the suitable ocean wave elevation spectrum and directional distribution function are selected by comparing the ocean Doppler spectrum in C band with the empirical geophysical model function (CDOP). The simulation results show that the ocean surface current speed error is sensitive to the wind speed and wind direction error. With VV polarization, the ocean surface current speed error is about 0.15 m/s when the wind speed error is 2 m/s, and the ocean surface current speed error is smaller than 0.3 m/s when the wind direction error is within 20° in the cross wind direction. This is submitted for the special session of “New Developments of Chinese Oceanographic and Meteorological Satellites”.
Date of Conference: 23-28 July 2017
Date Added to IEEE Xplore: 04 December 2017
ISBN Information:
Electronic ISSN: 2153-7003
Conference Location: Fort Worth, TX, USA

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