GROUPED B-SPLINE WINDOWS FOR IMPROVED POWER SPECTRAL DENSITY ESTIMATION

被引：0
|
作者：
Stanciu, Lucian [1 ]
Stanciu, Valentin [2 ]
机构：
[1] Univ Politehn Bucuresti, Dept Telecommun, Bucharest, Romania
[2] Univ Politehn Bucuresti, Bucharest, Romania
来源：
UNIVERSITY POLITEHNICA OF BUCHAREST SCIENTIFIC BULLETIN SERIES C-ELECTRICAL ENGINEERING AND COMPUTER SCIENCE | 2019年 / 81卷 / 02期
关键词：
spline windows; spectral analysis; frequency leakage; smooth functions; optimal window;
D O I：
暂无
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 reduction of the spectral leakage into the side-lobe of a window function is to obtain a more gradual window, with the same length, which generates a lowering of the side lobes amplitude. The usual windows can control these characteristics by using one parameter. To reduce the spectral leakage, a window function in the time domain is used to shape that decrease more gradually toward zero. We propose to use grouped B-spline functions to obtain window functions, with increased order of continuity. The power spectral density estimation is optimized by using three control parameters.
引用
收藏
页码：141 / 152
页数：12
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