A STUDY OF THE VHF RADAR DATA VIA A RANDOM VARIANCE MODEL

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题名:	A STUDY OF THE VHF RADAR DATA VIA A RANDOM VARIANCE MODEL
作者:	LIU,SI;TSAY,ZD;KUO,FS
贡献者:	物理研究所
关键词:	SIGNAL STATISTICS;CLEAR AIR;REDUCTION;ECHOES
日期:	1992
上传时间:	2010-07-08 14:12:54 (UTC+8)
出版者:	中央大學
摘要:	Data sets from some VHF radars have been analysed. Gaussian distributions with random variance are proposed for the signal's quadrature components. The suggested distributions explain the data sets satisfactorily, especially as the length of the data series increases. Non-stationarity of the signals will also be interpreted using the proposed model. Moreover, a chi-2-goodness of fit test for the proposed model has been conducted and its results are persuasive. We suggest that it is better to use the proposed distribution for the quadrature components than to use the Nakagami distribution for the amplitude distribution or the regular Gaussian distribution for the quadrature components. In addition, the sampling time should be less than 4 min to guarantee the stationarity of the data.
關聯:	JOURNAL OF ATMOSPHERIC AND TERRESTRIAL PHYSICS
显示于类别:	[物理研究所] 期刊論文

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