Increase in the accuracy of evaluating spectra of discrete signal realization

被引:0
|
作者
Len'kov, S. V. [1 ]
机构
[1] Russian Acad Sci, Ural Branch, Physiotech Inst, Moscow 117901, Russia
关键词
rapid Fourier transform; discrete signals and realization; spectrum;
D O I
10.1007/s11018-007-0174-4
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
An improved algorithm for calculating spectra with the use of a rapid Fourier transform and quadrature equations of the trapezium and Simpson's methods is considered. The relative error of calculation by comparing the relative deviation of a continuous spectrum of final realization of the signal from spectra, found by means of improved algorithms at a discrete set of frequencies, is analyzed. A more precise initial estimation of a spectrum is obtained using the improved calculation algorithms.
引用
收藏
页码:929 / 932
页数:4
相关论文
共 50 条