ESTIMATION OF SPECTRAL MOMENTS FOR WEATHER ECHOES

被引：166
作者：
ZRNIC, DS
机构：
[1] National Severe Storms Laboratory, NOAA, Norman
来源：
IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING | 1979年 / 17卷 / 04期
关键词：
D O I：
10.1109/TGE.1979.294638
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
Estimators of echo signal power, mean Doppler velocity, and spectrum width are investigated. Maximum likelihood (ML) solutions can improve the estimate variances by an order of magnitude over those by the autocovariance or the Fourier method. However, the required computations are excessive for routine implementations on weather radars. Spectrum power estimation together with two conventional methods of mean Doppler and width estimation are reviewed. Several results previously not available are presented. Copyright © 1979 by The Institute of Electrical and Electronics Engineers. Inc.
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页码：113 / 128
页数：16
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