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时频分析中的cohen类中最基本的双线性时频分布式wigner-ville分布，由于在该分布中不含窗函数，因此避免了短时窗傅里叶变换时间分辨率、频率分辨率相互牵制的矛盾-Time-frequency analysis of the Cohen class of bilinear time-frequency distribution is the most basic Wigner-Ville distribution, because the function in the distribut
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一种自适应时间频率分析工具包,和它的中文手册。 内核程序是写在c++中,GUI是matlab函数。 时间频率分辨率远高于短期的傅里叶变换。-An adaptive time frequency analysis toolkit, and its Chinese manual. The kernel program is written in GUI, c++ is a matlab function. The time frequency resolution is much higher th
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令 ，w(n)为高斯窗函数。试用matlab软件，取不同长度的窗函数，分别求x(n)的离散短时傅里叶变换，并进行信号重构。试讨论窗函数长度对时频分辨率、重构精度的影响。-Order, w (n) is Gaussian window function. Try matlab software, takes a different length of the window function, respectively, find x (n) short-time discrete Fourier
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对信号进行短时傅里叶变换，可以方便的调节各种短时傅里叶变换的影响因素。(The short time Fourier transform of the signal can easily adjust the influence factors of the short time Fourier transform.)
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小波降噪、时频分析等方法，系统地研究航天电子设备多余物噪声检测过程中各操作变量和微粒物理参数对声波频谱的影响。通过单因素试验，详细分析了微粒粒径、振动力学条件中加速度和频率等3因素对声音信号频谱分布的影响规律，比较了短时傅里叶变换和小波变换的特点。该结果为进一步识别多余物微粒的参数提供了指导依据(the complexity of the material interaction and the properties of the particles themselves make the re
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包含关于各种傅里叶变换，短时傅里叶变换等等。有数据，例子可供参考(It includes all kinds of Fourier transform, short time Fourier transform and so on. There are data, examples for reference)
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短时傅里叶变换实现线性调频信号的时频分析(Time-frequency analysis of LFM signal by short time Fourier transform)
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地震波短时傅里叶变换，时频分析是地震波信号处理的重要部分(Short time Fourier transform of seismic waves)
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高斯核密度算法，短时傅里叶变化，计算高斯核函数的权重(Gauss kernel density algorithm, short time Fourier change, calculation of the weight of Gauss kernel function)
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一个短时傅里叶变换程序，内含说明，便于初学者应用(A short time Fourier transform program, containing instructions, for beginners.)
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内含详细中文说明的短时傅里叶变换程序，便于初学者应用(The short time Fourier transform program with detailed Chinese instructions is convenient for beginners.)
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利用Matlab语言编写，高斯窗实现，进行滤波处理，以及用于后续短时傅里叶变换(It is written in Matlab language, implemented by Gauss window, filtered, and used for short time Fourier transform.)
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利用Matlab编写的短时傅里叶变换，将时间域信号变换到时频域进行分析(The short-time Fourier transform written in Matlab is used to transform the time domain signal into time-frequency domain.)
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短时傅里叶变换等各类时频方法的实现以及ISAR成像(Short time Fourier transform and ISAR imaging)
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可轻松实现短时傅里叶变换及对应逆变换，可更改程序内部窗函数，自行选择合适窗函数进行分析(Short-time Fourier transform and corresponding inverse transform can be easily realized. The internal window function of the program can be changed and the suitable window function can be selected by onesel
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滑动DFT实现短时傅里叶变换的matlab代码，包括正变换和逆变换，可极大提高时频分析的计算效率(Sliding DFT to realize short-time Fourier transform matlab code, including positive and inverse transforms, can greatly improve the efficiency of time-frequency analysis.)
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短时傅里叶变换的几个简单的例子，包含源程序，数据，以及时频分析所需要的函数，对初学者帮助比较大。(Several simple examples of short-time Fourier transform, including source code, data, and functions needed for time-frequency analysis, are of great help to beginners.)
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以長方形為遮罩的短時頻傅立葉轉換，英文稱為rectangular short time fourier transform(A short time fourier transform with a rectangular mask function. aka recSTFT)
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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
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短时傅里叶变换，short-time fourier transformation，有时也叫加窗傅里叶变换，时间窗口使得信号只在某一小区间内有效，这就避免了传统的傅里叶变换在时频局部表达能力上的不足，使得傅里叶变换有了局部定位的能力。
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