Improved Evaluation of Initial Condition for the Multi-Sine Fitting Algorithm

被引：2
|
作者：
Carni, Domenico Luca [1 ]
Fedele, Giuseppe [1 ]
机构：
[1] Univ Calabria, Dept Elect Comp & Syst Sci, I-87030 Commenda Di Rende, Italy
来源：
2009 IEEE INTERNATIONAL WORKSHOP ON INTELLIGENT DATA ACQUISITION AND ADVANCED COMPUTING SYSTEMS: TECHNOLOGY AND APPLICATIONS | 2009年
关键词：
Multi-sine fitting; ADC testing; non uniformly sampling; EFFICIENT FREQUENCY ESTIMATION; IDENTIFICATION; SINUSOIDS; SIGNALS;
D O I：
10.1109/IDAACS.2009.5342932
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
A problem in the multi-sine fitting algorithm (MSFA) based on four parameters sine fitting is the evaluation of the initial condition of the fundamental harmonic frequency, to ensure the convergence. The convergence is not assured for each value of the initial conditions. To overcame this problem, the improved evaluation of initial condition for the MSFA is presented. In particular, the problem is solved by the use of a method based on the algebraic derivative approach in the frequency domain. Numerical tests confirm the potentiality of the method and the advantages in term of higher accuracy for the dynamic tests, in comparison with others methods.
引用
收藏
页码：492 / 495
页数：4
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