Using Fourier series, the frequency spectrum analysis was analyzed, and spectrum data of harmony wave less than 19 were calculated.

利用傅里叶级数对其进行了频谱分析，计算了次数小于19次的各次谐波电流均方根值的频谱数据。

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The harmony analysis is the important method of the research on the harmonious state between social operation and social decision.

协调分析是研究社会运行状态和社会政策之间的关系协调状态的重要方法。

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Also, it sets up the model of measuring interface effectiveness by using harmony analysis matrix and harmony theory.

以此为基础，运用和谐理论的和谐分析矩阵建立了界面有效性的测度模型。

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