A Spectral Moment Estimation Method for Wind Profile Radar

被引：0
|
作者：
Hui Jianxin [1 ]
Wu Lei [2 ]
Gao Yuchun [2 ]
Zhou Jie [1 ]
机构：
[1] Nanjing Univ Informat Sci & Technol, Coll Elect & Informat Engn, Nanjing 210044, Jiangsu, Peoples R China
[2] CMA, Meteorol Observat Ctr, Beijing 100081, Peoples R China
来源：
MATERIALS SCIENCE AND ENGINEERING, PTS 1-2 | 2011年 / 179-180卷
关键词：
Maximum likelihood estimation(MLE); Wind profiler radar; spectral moment estimation; Radio science (signal processing; atmospheric propagation);
D O I：
10.4028/www.scientific.net/AMR.179-180.740
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Spectrum in the wind profile radar data processing, radar detection of low-level spectral data from the library there are usually clutter, intermittent clutter, clutter and atmospheric echoes magnetic mixed overlap situation. In order to effectively restrain and remove clutter and increase the wind profile radar detection range and accuracy, must be on the air back to the effective spectrum of the spectral moments estimation. Based on the wind profile radar Doppler echo power spectral analysis, maximum likelihood method based on estimated spectral data of radar echo spectrum method using MATLAB simulation analysis, compared with the conventional method of analysis to verify the feasibility and effectiveness of the algorithm, also, try the algorithm is applied to the complexity of the weather with a strong interference case of precipitation particles; Data analysis showed that the actual detection, from the library in the lower spectrum moment estimation has been improved significantly.
引用
收藏
页码：740 / +
页数：2
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