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频谱分析程序
- 频谱分析技术是研究周期性现象中最为常用的一种统计分析方法,其主要是通过对一复合的波系进行数据变换,将其分解成若干振幅和相位不同的简谐波,并找出其中振幅最大的波,即该复合波中的主要频率。频谱分析的方法较多,其中最常用的是快速傅立叶变换法(FFT)-spectrum analysis techniques to study the cyclical phenomenon most commonly used a statistical analysis method, its principal i
频谱分析
- 频谱分析小程序。
FFT.rar
- 快速傅里叶变换子程序,可用于频谱分析、频率域滤波,FFT subroute
FFT-DTFT-Rife
- 自编的FFT、DTFT程序用于频谱分析,Rife是一种频谱校正方法,分别给出了以上算法的Matlab程序并且画出了图形。已调试通过。-FFT、DTFT codes writen by Matlab,for spectrum analyse.Rife is a method for spectrum correction.Figures are also given.These codes has been tested already.
matlab窗口制作,滤波,频谱分析等功能的很多程序
- matla窗口制作,滤波,频谱分析等功能的很多程序-window matla production, filtering, spectral analysis of the many procedures and other functions
fft频谱分析
- 利用matlab作fft频谱分析的源代码
1
- 这是一个有关频谱分析的程序,可实时的画出任意信号的频谱,通过测试程序无误,欢迎下载-This is a spectrum analysis procedure can draw an arbitrary signal in real-time spectrum, through the test procedure correctly, please download the
spectrum
- 频谱分析中的倒频谱分析,在故障诊断和声音信号处理方面很常用-The inverted spectrum analysis spectrum analysis in fault diagnosis and sound signal processing is commonly used
signal_analyzer
- 最近看到有人提问怎样用FFT实现频谱分析,我认为能够进行到频谱分析的人,对于系统研究的深度基本上已经相当不错了。本人今天做了一个例程,发给大家参考一下。 历程主要内容(signal_analyzer.rar)如下: test1.txt 第一列为时间t,0.001s为步长;第二列为系统的输入信号;第三列为系统的输出信号。 signal_analyzer.m首先将test1.txt 的数据读入workspace,然后进行FFT,分析出两信号的频率,输出对于输入的幅值衰减(db),输出对输
FftLab
- FFT傅立叶频谱分析,从程序的演示可透视出频率频谱相互的换算与复数的关系!-FFT Fourier spectral analysis, from a procedural perspective of the presentation can be a frequency spectrum of the conversion of mutual relations with the plural!
matrax
- matlab频谱分析 很有用-matlab spectrum analysis is useful
myWave_Fft
- 自制软件,实现频谱分析。能显示信号与频谱图。主要是对正弦信号和三角波进行一维FFT变换,得到频谱图。-Self-made software, the realization of spectral analysis. Showing the signal and frequency spectrum. Mainly sinusoidal signal and triangular wave transform one-dimensional FFT, the frequency spectrum
FFT
- FFT可以将一个信号的频谱 提取出来,这在频谱分析方面也是经常用的。 -A signal can be extracted from the FFT spectrum, which spectrum analysis is also often used.FFT
SpectrumAnalyzer
- 根据语音频谱分析和频谱图显示的原理与算法,用MATLAB实现一种可在PC机上实现的信号频谱分析与频谱图伪彩色映射显示的方法。-According to voice spectrum analysis and spectrum diagram shows the principle and algorithm, using MATLAB to achieve a realization of machines in the PC spectrum of the signal frequency s
pufenxi
- 信号频谱分析的MATLAB实现程序 内附多个源代码,可作学习参考-Analysis of the signal spectrum to achieve the MATLAB program containing a number of source code, reference can be used for learning
spectrum_analysis_with_FFT
- 使用MATLAB实现对信号的fft变换从而进行频谱分析-The use of MATLAB to achieve transformation of the signal in order to carry out the fft spectrum analysis
频谱分析
- 对数字信号快速傅里叶变换分析,通过频率的大小来判断信号所处的阶段(Fast Fourier transform analysis of digital signals, the frequency of the size of the signal to determine the stage)
周期信号的频谱分析
- 通过Matlab编写M文件实现了对矩形脉冲周期信号的时域波形和频谱分析。(Time domain waveform and spectrum analysis of rectangular pulse periodic signals are realized by writing M files in Matlab.)
频谱分析
- 这是一个频谱分析的matlab程序,通过FFT变换,获得采样数据基本信息,时域图,频域图。(This is a spectrum analysis matlab program, through FFT transformation, get the basic information of sampling data, time-domain map, frequency-domain map.)
频谱分析和包络谱分析
- 频谱分析 自己写的 可以给大家参考 学习学习(Spectrum analysis, written by myself, can give you reference, learning and learning)