This paper presents calculation of frequency and phase difference of flow signals with spectrum analysis on basics of Fourier transform (DFT).
本文采用基于傅立叶变换(DFT)的频谱分析方法,计算流量信号的频率和相位差。
2
This paper presents computation of the signal's amplitude spectrum and phasespectrum the Fourier transform.
主要应用傅立叶变换方法计算各种信号的振幅谱和相位谱。
3
This paper analyzes the spectral characteristic of the synthesized waveform by use of the Fourier Series, and discusses the spurious spectrum of the phase truncation errors.