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。
The standard method for spectrum analysis in digital signal processing is the discrete Fourier transform(DFT), typically implemented using a fast Fourier transform(FFT) algorithm.
数字信号处理中标准的频谱分析方法是离散傅立叶变换（DFT），典型的实现方法是快速傅立叶变换（FFT）。
Application DFT Discrete Fourier Transform, right through MATLAB continuous signal spectrum analysis, in order to meet the theoretical analysis and practical needs.
应用离散傅里叶变换dft，通过MATLAB实现对连续信号频谱分析，以满足理论分析和工程实际的需要。
A spectrum analysis method using the symmetric decomposition of DFT is proposed in this paper.
本文介绍了一种将DFT对称分解进行频谱分析的方法。
In this paper, by using DFT filter bank and ZFFT, we present an algorithm of spectrum analysis for the wide band signal.
本文利用DF T滤波器组、ZFFT，提出了一种宽带信号的实时谱分析方法。
Signal sequence DFT is a signal frequency spectrum sampling sets, therefore DFT can be directly used for analysis of signals frequency spectrum.
信号序列的DFT本身就是信号频谱的采样集，所以DFT可直接用于分析信号的频谱。
The company's capabilities cover the entire IC design spectrum from RTL design, though verification, emulation and DFT to physical implementation, and include power analysis and yield management.
公司设计能力涵盖从RTL设计、验证、仿真和DFT到物理实现的整个IC设计体系，并且包括功耗分析和良率管理。
First, the reason for spectrum leakage and its influence to DFT used in frequency analysis is introduced.
首先简要分析了频谱泄漏的成因和其对频率分析中dft算法的影响。
First, the reason for spectrum leakage and its influence to DFT used in frequency analysis is introduced.
首先简要分析了频谱泄漏的成因和其对频率分析中dft算法的影响。
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