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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.
matlab1.rar
- matlab常用函数 傅里叶变换函数、傅里叶反变换函数、低通滤波函数、sigexpand扩展序列函数,matlab function commonly used Fourier transform function, the Fourier Transform function, low-pass filter function, sigexpand extended sequence function
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,
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.
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.
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
restruct
- 用MATLAB实现数字图像的傅里叶变换，显示图像频谱-Digital images using MATLAB Fourier transform, display the image spectrum
FFT
- 这是一个快速傅里叶变换分析谐波类程序，以及生成火柴梗图的程序-This is a class of fast Fourier transform analysis of harmonic procedures, and the program generates Stick Figure
fft2
- 图像的二维傅里叶变换，matlab编程，很好用。-Two-dimensional Fourier transform image, matlab programming
Fractional-Fourier-transform
- 分数阶傅里叶变换，一维的分数阶傅里叶变换matlab程序-Fractional 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
keypoint
- 对非平稳信号进行分段、截取，再对处理过后的短时信号做短时傅里叶变换，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，以图像的形式表达出，最终达到区分不同声音的目的。(The nonstationary signals are segmented, and then the interception, the short-time signal after processing the short-time Fourier transform, the analysi
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)
DFT
- 傅里叶变换matlab源程序，正傅里叶变换和逆傅里叶变换能够将时域信号转换为频域信号(Fourier transform Matlab source code, the positive Fourier transform and inverse Fourier transform can transform the time domain signal into a frequency domain signal)
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