搜索资源列表
离散傅里叶变换，即DFT
- 离散傅里叶变换，即DFT, 注意：FFT在matlab里有现成的函数可以用，它只是DFT快速实现的一种方法而已。,DFT： Discrete Fourier transform.
FFTorIFFT.用于信号处理的matlab小程序
- 用于信号处理的matlab小程序。傅里叶变换和傅里叶逆变换,fft or ifft
stft
- 本例介绍了一个利用MATLAB仿真短时傅里叶变换的实例，初学者可以根据此例子来了解短时傅里叶变化的过程，通过仿真图形分析也可理解短时傅里叶变换的含义。-This example describes a short time Fourier transform using MATLAB simulation examples, beginners can understand this example of short-time Fourier transform of the process,
FreqzPhase
- 对信号进傅里叶变换，得到振幅谱和相位谱，并可画出振幅谱和相位谱。-The signal into the Fourier transform, the amplitude spectrum and phase spectrum and amplitude spectrum and phase draw spectrum.
stft
- 用matlab实现信号的加窗傅里叶变换，并绘出结果。-Using matlab to achieve signal windowed Fourier transform, and mapped the results.
FT2D
- 任意常用二维函数傅里叶变换，包括绘图功能。-Any commonly used two-dimensional Fourier transform functions, including graphics.
97288382frft_square
- 分数阶傅里叶变换，MATLAB程序代码，从国外网站下载-fraction fourier transform
digital_signal_processing
- 给出了数字信号处理课程设计的基本程序，包括采样、快速傅里叶变换、功率谱分析等。-Give a digital signal processing of the basic procedures for curriculum design, including sampling, fast Fourier transform, power spectrum analysis.
RD-frft
- 关于分数阶傅里叶变换的例子 关于分数阶傅里叶变换的例子 -the example of frathinog fft
matlab-fft
- 在matlab环境下编写的快速傅里叶变换程序，改变换程序简单有效-Matlab environment in the preparation of the fast Fourier transform procedure to change the procedure for simple and effective
therefft
- 改程序是建立在一维FFT的基础上编写的，改进的程序可以实现三维的快速傅里叶变换-3D-FFT
filt
- 关于图像滤波的一个实例应用，教会你如何通过傅里叶变换滤除单频噪声-An example of image filtering applications, teach you how to filter out single-frequency noise in Fourier transform
二维离散傅里叶变换
- 不调用matlab自带函数实现二维离散傅里叶变换(Do not call matlab own functions to achieve two-dimensional discrete Fourier transform)
声音解析matlab
- 对非平稳信号进行分段、截取，再做短时傅里叶变换，分析其频谱特性，并找到各个时间节点的频率特性，以便分析不同事件段内的声音特征。(The non-stationary signals are segmented and intercepted, and then the short-time Fourier transform is used to analyze their frequency spectrum characteristics, and the frequency charact
傅立叶变换程序
- 傅里叶变换的matlab实现 主要是自己做的例题(Fourier transformation)
MATLAB希尔伯特Hilbert变换求包络谱
- MATLAB的希尔伯特谱分析，导入数据实现算出。最下二乘拟合算法。快速傅里叶变换详细算法。(MATLAB Hilbert spectrum analysis, import data to achieve calculation.The two by fitting algorithm. With the fast Fourier transform algorithm.)
MATLAB
- 对二维图像进行傅里叶变换，在频率进行低通滤波(Fourier transform of two-dimensional image and low pass filter in frequency)
傅里叶变换
- 在matlab上对数据进行傅里叶变换，得到频域信号(Fourier transform of data in MATLAB)
分数阶傅里叶变换
- 基于matlab的分数阶傅里叶变换故障诊断技术的实现(The realization of fault diagnosis technology of fractional Fourier transform based on MATLAB)
8880短时傅里叶小波
- 对信号进行短时傅里叶变换和小波变换，观察其时频特性，压缩包中含有需要用到的测试信号文件，可以直接运行，供参考(Carry out short-time Fourier transform and wavelet transform on the signal, observe its time-frequency characteristics, and the compression package contains the test signal files needed, which ca