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当交流电流密度很大时,“E-t”曲线出现上下电位时滞平阶,示波图两端将有稳定亮点,这时的“E-t”曲线由一系列高次谐波组成。本文首次利用富里叶变换对交流示波极谱图进行频谱分析,并将此频谱用于分析测试。 1 底液“E-t”曲线的频谱分析
When the AC current density is very high, the “E-t” curve appears to be level-shifter up and down. The “E-t” curve will consist of a series of higher harmonics. In this paper, spectrum analysis of AC oscillogram is firstly carried out by using Fourier transform, and the spectrum is used for analysis and testing. 1 bottom liquid “E-t” spectrum of the spectrum analysis