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stft_timefreq_complexSignal
- 短时傅立叶变换测频，可对复信号处理。界面设计好，用户交互方式编程。-STFT frequency measurement can be complex signal processing. Interface design, the user interactively programming.
STFT
- 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。-Short-time Fourier transform of the signal, you can easily adjust a variety of short-time Fourier transform of the influencing factors.
Windowed-transform
- 加窗变换，信号在高斯窗函数取不同a时的STFT，窗函数是不同值时的stft-Windowed transform the signal in a Gaussian window function to take different when the STFT, the window function is different values of the stft
fmcw-matlab-code
- 利用STFT可以估计信号在每片短时窗内的频率得到信号的瞬时频率，该曲线由一组时间和频率相对应的点组成，反映了信号频率随时间的变化。-Using STFT can estimate the frequency of the signal in every piece of short-time window get signal instantaneous frequency, the curve consists of a set of time and frequency of corresp
stft
- 利用时频分析的方法分析一段语音信号的时频特征，并进行降采样等处理，可直接运行-When the time-frequency analysis method to analyze the frequency of use of a voice signal characteristics, and down-sampling and other treatment, can be directly run
stft_person
- 自己编写的短时傅里叶变换（STFT）程序，短时傅里叶变换可以获得非平稳信号的时频图，主要原理是用滑窗截取一段信号，认为这一段时间内信号是平稳的，对其进行fft变换获得频谱-I have written a short time Fourier transform (STFT) program, short-time Fourier transform can be obtained non-stationary signal frequency diagram, the main princip
STFT_SWT_ST_matlab-files
- STFT和ST变换的基本函数，和一个stft的一个例程-This code computes the Stockwell transform (S-Transform) of a one dimensional series without for loop, thereby making it computationally fast and simple. S-Transform was proposed in 1996. A nice tutorial on S-Transform can
STFT
- 数字信号处理中的短时傅里叶变换程序，窗函数长度20， 默认为矩形窗，截取时间间隔 <=Nw/2。适用于时频分析(The present code is sample,you can buy a digital signal processing book that published on Xi'an University of Electronic Science and Technology publisher.)