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Error analysis of non-spherical raindrops on precipitation measurement

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Radar cross section (RCS) of non-spherical raindrops is calculated by using the software CST based on finite integral method and compared with RCS of spherical raindrops.The Accepted factor of non-spherical raindrops is obtained.The radar reflectivity with precipitation change of four distribution models of M-P, Gamma, JD and JT combining the Accepted factor is gotten using trapezoidal integration.When the influence of non-spherical raindrops is considered, the accuracy of precipitation measurement of four distribution models can be separately improved 8.77%, 8.47%, 10.53% and 8.04% in the case of rain intensity is 100 mm/h.

radar cross section (RCS)the Accepted factor radar reflectivityaccuracy of precipitation measurement

XIE Ya-nan、ZHOU Xing-li、YANG Zheng-de

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Key Laboratory of Specialty Fiber Optics and Optical Access Networks, School of Communication and Information Engineering, Shanghai University, Shanghai 200072, P. R. China

Shanghai Leading Academic Discipline Project国家自然科学基金Key Technology Research and Development Program of Science and Technology Commission of Shanghai MunicipalityScience and Technology Commission of Shanghai MunicipalityScience and Technology Commission of Shanghai Municipality

S3010861071185105115017020859070050008DZ2231100

2011

10.1007/s11741-011-0699-2

上海大学学报(英文版)
上海大学

上海大学学报(英文版)

影响因子：0.196
ISSN：1007-6417
年,卷(期)：2011.15(2)
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