搜索资源列表
stft
- 对信号做短时傅里叶变换程序，从而进行参数估计。-Signals do STFT procedures to estimate parameters.
STFT
- 短时傅里叶变换，可以对采集的数据处理，读出信号包络-Short-time Fourier transform, processing the collected data can be read out of the signal envelope
MyVoice
- 对人的声音信号录取后进行短时傅里叶变换，通过时频分析的方法得到声音信号的时频分布。-Human voice signal after admission short-time Fourier transform, time-frequency analysis of the sound signal obtained through the frequency distribution.
Spectrogram-(2)
- 短时傅里叶变换程序，实现短时傅里叶变换的快速实现，绘制时间频率功率谱图。-Short time Fourier transform program, the realization of short time Fourier transform to achieve fast, draw time frequency power spectrum.
A-type-of-STFT
- 一种短时傅里叶变换程序,一 种短时傅里叶变换程序-A type of STFT.
stft
- 关于短时傅里叶变换进行时间-频率分析的代码，用MATLAB编写的代码。-On short-time Fourier transform time- frequency analysis of the code, the code written in MATLAB.
jiachaung
- 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
t1
- MATLAB短时傅里叶变换和morlet小波变换-short-time Fourier transform and morlet wavelet transform based on matlab
mfcc
- 对语音信号预加重、分帧、加汉明窗处理，然后进行短时傅里叶变换，得出频谱-The speech signal pre emphasis framing, Hamming window, and then the short time Fourier transform, spectrum obtained
tfrstft-(2)
- 不同信噪比下LMF信号的短时傅里叶变换仿真-Short- time Fourier Transform Simulation of LMF Signal with Different Signal- to- Noise Ratio
zDuanShiFFT
- 短时傅里叶变换，信号处理，轴承故障,时频分析工具-Short-time Fourier transform, signal processing, bearing failure， Time-frequency analysis tool
untitled0
- 图像的短时傅里叶变换，中文opencv网站中的例子，但是此处加入了自己的中文注释-Using opencv to complete the discrete Fourier transform of an image
daima
- xiaobo.m小波变换方法处理时频信号 duanshifuliye.m短时傅里叶变换方法处理时频信号 three.m三次样条插值 newton.m牛顿迭代法 stokes.c斯托克斯波的生成-xiaobo.m（Wavelet transform method for processing time- frequency signals） duanshifuliye.m（The short- time Fourier transform method deals with t
STFT
- 短时傅里叶变换，特定的汉宁窗和默认的采样频率-short time flourier transform
语音信号处理
- 采用MATLAB 2015b综合运用各种函数调用等来实现语音信号时域的短时能量，短时过零以及短时自相关函数分析和频域的傅里叶变换，功率谱估计，短时傅里叶变换，小波分析，语音信号的短时综合，语谱图各种分析，充分了解熟悉语音信号的相关分析方法。(This experiment uses the MATLAB 2015 b, the integrated use of various kinds of function call to realize speech signal in time dom
STFT Spectrogram Demo
- STFT谱图演示，方便新手学习的简单例子。(STFT spectrum demo, easy for beginners to learn a simple example.)
tft
- 对时域信号进行短时傅里叶变换处理,转换在频域下的信号。附加几个simulink转换的信号数据(The time domain signal is converted to the frequency domain by Fourier transform)
endpoint_detection
- 对传输的语音信号进行端点检测，检测出端点后可进行加窗分帧而后进行短时傅里叶变换。(After the endpoint detection of the transmitted speech signal, after detecting the endpoint, windowed sub frame can be added, and then the short-time Fu Liye transform can be carried out.)
107551700第三次作业
- 根据短时傅里叶变换原理，计算并显示该语音段的短时幅度谱和功率谱；根据语谱图显示原理，编程实现该语音段语谱图的计算和显示，并尽量多地分析出语谱图包含的语音特征信息,用MATLAB提供的倒谱计算函数，显示该语音段的复倒谱和倒谱(According to the principle of short-term Fourier transform, the short range spectrum and power spectrum of the speech segment are calculat
小波应用实例代码 (1)
- 小波实用代码，用于处理图像以及无损检测等领域(Wavelet practical code for processing images, nondestructive testing and other fields)