DEVELOPMENT OF EXPONENTIAL FOURIER-TRANSFORM AND ITS APPLICATION TO ELECTRICAL TRANSIENTS

被引:32
作者
AMETANI, A
IMANISHI, K
机构
来源
PROCEEDINGS OF THE INSTITUTION OF ELECTRICAL ENGINEERS-LONDON | 1979年 / 126卷 / 01期
关键词
Engineering Village;
D O I
10.1049/piee.1979.0009
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The development of the numerical Fourier transform with exponential sampling is reported. This is called the exponential Fourier transform (e. f. t. ) which features high accuracy and a long observation time with a small number of samples in comparison with a conventional numerical Fourier transform with equally spaced sampling. Thus, the computational efficiency of the e. f. t. is higher than the conventional Fourier transform. Various examples using the e. f. t. are given and are compared with results obtained by the conventional Fourier transform. From the results, the superiority of the e. f. t. becomes clear. The e. f. t. would be useful for the analysis of electric transients.
引用
收藏
页码:51 / 56
页数:6
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