Sine-fit procedure for unevenly sampled, multiply clocked signals

被引：5
|
作者：
Milotti, E
机构：
[1] Univ Udine, Dipartimento Fis, I-33100 Udine, Italy
[2] Ist Nazl Fis Nucl, Sez Trieste, I-33100 Udine, Italy
来源：
JOURNAL OF COMPUTATIONAL PHYSICS | 2005年 / 202卷 / 01期
关键词：
D O I：
10.1016/j.jcp.2004.07.005
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
When signals are unevenly sampled and homodyne or heterodyne setups are used that involve multiple clocks, it is not possible to use the standard algorithms to produce accurate spectral density estimates. The PVLAS experiment is an example of such an experimental scheme and here it is shown how to implement an algorithm which generalizes the standard sine-fit and Lomb-Scargle procedures to obtain both amplitude and phase of important Fourier components of the physical signal, with an application to PVLAS data. (C) 2004 Elsevier Inc. All rights reserved.
引用
收藏
页码：134 / 149
页数：16
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