Pre-processing algorithm and airborne campaign result analysis of a rotating fan-beam scatterometer

Xing-ou Xu; Xiaolong Dong; Di Zhu; Wenming Lin

doi:10.1117/12.2069032

19 November 2014 Pre-processing algorithm and airborne campaign result analysis of a rotating fan-beam scatterometer

Xing-ou Xu, Xiaolong Dong, Di Zhu, Wenming Lin

Proceedings Volume 9264, Earth Observing Missions and Sensors: Development, Implementation, and Characterization III; 92641N (2014) https://doi.org/10.1117/12.2069032
Event: SPIE Asia-Pacific Remote Sensing, 2014, Beijing, China

Abstract

A Rotating fan-beam scatterometer (RFSCAT), which provides a set of different incidence and azimuth angle combinations and wide continuous swath coverage, will be flown on the Chinese-French Oceanography Satellite (CFOSAT). In this paper, a pre-processing algorithm is developed to estimate the backscatter coefficient (σ⁰) of RFSCAT, which includes the procedures of system distortion correction, thermal noise removal, internal signal calibration, and elimination of the observing geometry effects. The algorithm is then tested using the experimental data from an airborne campaign. The estimated σ⁰ are consistent with Nscat-2 geophysical model function (GMF), indicating that the pre-processing chain acts well for RFSCAT.

Citation Download Citation

Xing-ou Xu, Xiaolong Dong, Di Zhu, and Wenming Lin "Pre-processing algorithm and airborne campaign result analysis of a rotating fan-beam scatterometer", Proc. SPIE 9264, Earth Observing Missions and Sensors: Development, Implementation, and Characterization III, 92641N (19 November 2014); https://doi.org/10.1117/12.2069032

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