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实现离散信号a(n)和b(n)的线性卷积和圆周时域卷积
- 用matab实现离散信号a(n)和b(n)的线性卷积和圆周时域卷积,并显示。-A discrete signal with matab a (n) and b (n) linear time-domain convolution and circular convolution, and display.
用matlab gui画信号的频谱图和时域图形
- 用matlab gui画信号的频谱图和时域图形,再画出语谱图,模拟电话-Picture signal with matlab gui frequency spectrum and time domain graph, then draw the language spectrum, analog telephone
DFT
- 快速傅里叶变化是将信号从时域映射到频域的一种有效地方法,下面是用c编写离散傅里叶变化的代码。-Fast Fourier change is the signal from time domain to frequency domain mapping of an effective method, the following is the preparation of discrete Fourier c of the code changes.
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- 基于 MATLAB 的时域信号采样及频谱分析 二、基本要求: 掌握数字信号处理的基本概念、基本理论和基本方法; 。-MATLAB-based time-domain signal sampling and spectral analysis of two basic requirements: to master the basic concepts of digital signal processing, basic theory and basic m
prog1
- 本软件主要用于结构的时域试验模态分析,包括单输入单输出,单输入多输出和多输入多输出程序设计。传统的模态分析软件大多是基于频域分析方法,需首先对采样信号进行Fourier 变换。本软件使用实测时域信号,无需Fourier变换,可以避免由于信号截断而引起泄露、出现旁瓣、分辨率低等问题对辨识精度的不利影响。此外,节省了计算机运算时间,可以对实际工况状态下的结构进行在线参数识别。-This software is mainly used for the structure of time-domain
discrete_time
- 使用matlab对离散时间信号进行时域和频域分析-Using matlab to the discrete-time signals in time domain and frequency domain analysis
xinhao
- 离散信号的时域分析,输出各种离散信号的波形图,有利于各初学者理解揣摩-Time domain analysis of discrete signals, the output waveform of various discrete signals, try to figure out is conducive to the beginner to understand
Signal-time-domain-analysis
- 信号的时域分析:包括连续小波分析,vigner-will分析,短时傅里叶变换等。-Time domain analysis: including the continuous wavelet analysis, vigner-will analysis, short time Fourier transform.
加速度频域积分为位移
- 对加速度二次积分为位移,将时域积分装换为频域积分, 实现方法为将时域信号进行FFT到频域,然后对频谱做简单运算实现了频域上的积分 最后将频域经过IFFT到时域 实现了频域上的积分。
数字信号处理
- 制一段个人自己的语音信号,并画出该信号的时域波形和频谱图;再录制一段同样长时间的背景噪声叠加(加法叠加)到语音信号中,分析叠加前后信号频谱的变化;设计一个合适的滤波器,把改造生滤除;最后回放语音信号。(peech signal processing for a period of one's own, and draw the signal time-domain waveform and frequency spectrum; background noise superimposed and
MATLAB信号处理超级手册Chapter 02
- MATLAB信号处理超级手册例程,关于信号的产生运算,在时域的分析等(Demo of MATLAB. It includes signal generation, calculation and time domain analysis)
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
特征提取
- 提取EMG信号的时域特征代码,包括(RMS,WL等)(The time domain feature code for extracting EMG signals, including (RMS, WL, etc.))
baoluofenxi
- 用于信号分析中的时域分析,将数据图形化,便于看出趋势(the analysis of signal)
chengxu
- 对原时域信号x进行fft,得到频域信号y 频域滤波 对原信号频域滤波,得到滤波之后的频域信号y1(原频域信号y*滤波器c) 求包络谱(The original time domain signal x is FFT, and the frequency domain signal Y is obtained spectrum shaping In the frequency domain filtering of the original signal, the frequency d
5振动信号时域处理方法
- 5振动信号时域处理方法-<matlab在振动信号处理中的应用>王济一书对应代码(5 vibration signal time-domain processing method -<matlab in vibration signal processing > Wang Ji a Book corresponding code)
时域积分
- 程序主要是对采集到的加速度信号进行处理,并且进行时域积分。(The program mainly deals with the acquired acceleration signal and performs time domain integration.)
时域频域29个特征提取
- 利用matlab提取出频域和时域信号的29个特征(Using MATLAB to extract 29 features of frequency and time domain signals)
时域频域29个特征提取
- 利用matlab提取出频域和时域信号的29个特征,主运行文件feature_extraction,fre_statistical_compute和time_statistical_compute分别提取频域和时域的特征,生成的29个特征保存在生成的feature矩阵中。(Using MATLAB to extract 29 features of frequency-domain and time-domain signals, the main running files feature ex
StationaryValidation
- 对一段时域信号进行加窗处理并进行fft变换,将信号进行时频转换处理。(Application a windows to the time domain signal,and convert it to frequency domain by fft method.)