The fractal characteristics for the Infrared Spectra have been studied by the Fourier analysis and fractal method.
红外光谱可作为一种信号的功率谱，用富里叶分析来研究。
Based on the modulation theory and the Fourier analysis of switch function, the mechanism of interhamonics in source side is analyzed with an example of CSI and a simple model is established.
为了提高网络化制造中企业间业务流程组合的灵活性及重用性，提出了一种业务流程重用组合机制，利用协调理论构建了重用组合机制功能结构，并结合面向方面技术建立了该机制的实现方法。
The Fourier analysis method is applied to decompose the air-gap magnetic density into the basic wave and a series of harmonic and wave shape eigen coefficient of air-gap magnetic field are calculated.
采用付立叶谐波分析的方法把气隙磁密分解为空间基波和一系列谐波，进而计算出气隙磁场波形特征系数。
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