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LAB_STFTMATLAB
- 关于短时傅立叶变换的实验 其中有补0的相关分析 希望会对大家有帮助
STFT
- 带通滤波器组应满足约束条件,用线性滤波实现短时傅立叶变换-Bandpass filter group should meet the constraint conditions, with linear filter realize the short time Fourier transform
STFT.m
- 短时傅立叶变换, 可以选择四种window-STFT code
shipinfenxi
- frft程序函数,分数阶傅立叶变换,短时傅立叶变换,傅立叶变换-the frft program function, fractional Fourier transform, short-time Fourier transform, Fourier transform
Mwenjian
- 短时傅立叶变换 s变换 电压中断 电压突降-Short-time Fourier transform s transform voltage interruption voltage dips
3
- 短时傅立叶变换加窗处理matlab实现仿真图形分析-Short-time Fourier transform windowing graphical analysis of simulation
MATLABshipinfenxi
- 里面包含非常多的时频分析程序,包括小波变换,短时傅立叶变换和维格纳威尔分布-Which contains a lot of the time-frequency analysis procedures, including wavelet transform, short-time Fourier transform and 维格纳威尔 distribution
su
- 对信号进行短时傅立叶变换,并得到信号时频分析图谱。-Frequency spectrum analysis of the signal when short-time Fourier transform and get the signal.
SNR_MSE_analysis
- 小波变换(wavelet transform,WT)是一种新的变换分析方法,它继承和发展了短时傅立叶变换局部化的思想,同时又克服了窗口大小不随频率变化等缺点,能够提供一个随频率改变的“时间-频率”窗口,是进行信号时频分析和处理的理想工具。它的主要特点是通过变换能够充分突出问题某些方面的特征,能对时间(空间)频率的局部化分析,通过伸缩平移运算对信号(函数)逐步进行多尺度细化,最终达到高频处时间细分,低频处频率细分,能自动适应时频信号分析的要求,从而可聚焦到信号的任意细节,解决了Fourier变换的
U1
- 短时傅立叶变化,傅立叶变化都有,信号处理-Short-time Fourier transform, Fourier transform are, Signal Processing
tftb-0.2
- matlab 时频工具箱 含短时傅立叶变换、Cohen类双线性时频处理函数、Affine类双线性时频处理函数、模糊函数和其他处理函数等源码,应该很有用-matlab time-frequency toolbox containing short time Fourier transform, frequency processing function when Cohen class bilinear frequency handler when Affine bilinear, fuzzy f
分帧函数、短时傅立叶变换函数
- 包含分帧函数以及短时傅立叶变换函数,即将采集到的信号进行分帧处理,并进行短时傅立叶变换(Including the frame function and the short-time Fu Liye transform function, the collected signals are processed by frame processing, and the short-time Fu Liye transform is carried out)
yijixiaobo
- 小波变换(wavelet transform,WT)是一种新的变换分析方法,它继承和发展了短时傅立叶变换局部化的思想,同时又克服了窗口大小不随频率变化等缺点,能够提供一个随频率改变的“时间-频率”窗口,是进行信号时频分析和处理的理想工具。(Wavelet transform (wavelet transform WT) is a new analysis method, it inherited and developed the short-time Fu Liye transform the
wavelet
- 小波变换(wavelet transform,WT)是一种新的变换分析方法,它继承和发展了短时傅立叶变换局部化的思想,同时又克服了窗口大小不随频率变化等缺点,能够提供一个随频率改变的“时间-频率”窗口,是进行信号时频分析和处理的理想工具。(a wavelet series is a representation of a square-integrable (real- or complex-valued) function by a certain orthonormal series gen
小波变换
- 小波变换(wavelet transform,WT)是一种新的变换分析方法,它继承和发展了短时傅立叶变换局部化的思想,同时又克服了窗口大小不随频率变化等缺点,能够提供一个随频率改变的“时间-频率”窗口(Wavelet transform (WT) is a new method of transform analysis. It inherits and develops the idea of short time Fu Liye transform localization. At the
STFT
- 目前的代码是一个matlab函数,它提供给定信号x[n]的短时傅立叶变换(stft)。该函数是matlab命令“光谱图”的一个替代项。功能输出为: 1)一个具有复杂stft系数的矩阵,该矩阵具有跨列时间和跨行频率; 2)频率矢量; 3)时间矢量。 为了阐明函数的用法,给出了一个示例。为了方便起见,输入和输出参数在函数的开头给出。(The present code is a Matlab function that provides a Short-Time Fourier Transfor