散射计海面风场的二维变分模糊去除方法

刘宇迪; 亓晨

散射计海面风场的二维变分模糊去除方法

刘宇迪¹,
亓晨²

1.
解放军理工大学气象学院,江苏南京 211101;中国科学院海洋研究所,山东青岛 266071
2.
中国科学院海洋研究所,山东青岛 266071

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摘要

摘要: 为了去除散射计资料反演的海面风场模糊解，开发了一种二维变分模糊去除法进行风向模糊的去除，并进行了试验和与HIRLAM模式输出结果进行了对比, 结果表明：二维变分模糊去除方法处理的结果是理想的，可以推广到我国未来发射的HY-2散射计数据的处理中。
- 散射计 /
- 二维变分模糊去除法 /
- HIRLAM模式 /
- 风向模糊

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[1]

MOORE R K. Radar scatterometry-An active remote sensing tool[R]. Technical report, NASA, 1966.[2] LONG D G，MEDEL J M. Model-Based estimation of wind field over the ocean from wind scatterometer measurement. Part I: Development of the field model[J]. IEEE Trans Geosci Remote Sens，1990，28(3): 349-360.[3] SCHULTZ H. A median filter approach for resolving directional ambiguities in wind fields retrieved from spaceborn scatterometer data[J]. J Geophys Res, 1990, 95(c5): 5 291-5 304.[4] THIRIA S，MEJIA C，BADRAN F. A neural network approach for modeling nonlinear transfer functions: application for wind retrieval from spaceborne scatterometer data[J]. J Geophys Res，1993，98(c12): 22 827-22 841.[5] 林明森. 一种修正的星载散射计反演海面风场的场方式反演算法[J]. 遥感学报，2000，4(1): 61-65.[6] STOFFELEN A, ANDERSON D. The ECMWF contribution to the characterization, interpretation, calibration and validation of ERS-1 scatterometer backscatter measurements and their use in numerical weather prediction models’, ESA contract 9097/90/NL/BI report, Eur. Centre for Medium-range Weather Forecasts[J]. Reading, England, 1995.[7] HOLLINGSWORTH A, LONNBERG P. The statistical structure of short-range forecast errors as determined from radiosonde data. Part I: the wind field[J]. Tellus, 1986, 38A: 111-136.[8] HARALD Schyberg, BREIVIK Lars-Anders. Two dimensional variational analysis of ocean surface winds, No.42[R]. Technical report, Norwegian Meteorological Institute, Oslo, 1996.[9] HARALD Schyberg, BREIVIK Lars-Anders. Ambiguity Removal Evaluation, No.64, Technical report[J]. Norwegian Meteorological Institute, Oslo, 1998.[10] PRESS W H, FLANNERY B P, TEUKOLSKY S A, et al. Numerical Recipes[M]. Cambridge University Press, 1989.[11] LINDSKOG M. JA¨RVINEN H, Michelson D B. Assimilation of radar radial winds in the HIRLAM 3DVAR[J]. Phys Chem Earth, 2000, 25B: 1 243–1 249.

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