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语音信号的短时谱、自相关函数
- 语音信号的短时谱、自相关函数,过零率等函数的MATLAB程序,非常好用,简单易懂。,voice autocorrelation function。
auto_correlation
- 用Blackman-Tukey方法(自相关法)实现对任意输入的实序列函数x(n)作功率谱估计。-Using Blackman-Tukey method (autocorrelation method) to achieve the actual sequence of arbitrary input function x (n) for power spectrum estimation.
gonglupu
- 利用FFT方法和维纳-辛钦定理自相关函数获得功率谱的对比。-Using FFT method and Wiener- Khintchine theorem to obtain the autocorrelation function of the power spectrum contrast.
BispectrumWavelets
- 用双谱和小波变换去除信号中加性高斯噪声的相关程序 1.实现单个变量的双谱分析程序 2.用傅立叶反变换求自相关函数的程序 3.用fft求取喜好频谱、功率谱、均方根谱、对数谱的程序 4.读取.wav语音信号后用小波去加信白噪声的程序 5.用各种小波和阀值对同一信号去加性噪声效果比较的程序 -Double-spectral and wavelet transform to remove the signal plus Gaussian noise procedures 1. T
speech
- 语音信号时域特性分析,包括时域谱,短时过零率分析,短时幅值,短时能量,自相关函数-Analysis of time-domain characteristics of speech signals
suijixinhaochuli
- 随机变量的产生,其中指数分布的和高斯分布的随机变量采用了变换法,分析它的自相关函数和功率谱密度,-The selection of random variables, in which exponential distribution and Gaussian distribution of random variables using the transformation method, analysis of its autocorrelation function and power sp
BT
- BT法估计功率谱,由自相关函数来估计信号的功率谱-BT power spectrum estimation, by the autocorrelation function to estimate the signal power spectrum
suij
- 用Matlab产生一满足条件的窄带随机过程,编写子程序计算该随机过程的均值函数,自相关函数,功率谱,包络,包络平方及相位的一维概率密度画出相应的图形-Generated using Matlab to meet the conditions of a narrow-band random process, the preparation of random process subroutine to calculate the mean function, auto-correlation fu
self-correlationandpowerspectrum
- 本程序描述的是如何用MATLAB语言来编写自相关和功率谱函数-self-correlationandpowerspectrum
mseries
- 产生任意长度的M序列,并计算该M序列的自相关函数和功率谱密度函数。用于系统辨识-Generated sequence of random length M, and calculate the M series autocorrelation and power spectral density function. For system identification
matlab
- 二进制序列发生器及其功率谱和自相关函数的实现-Binary sequence generator and the power spectrum and autocorrelation function of the realization of
gaussian_filter
- 详细说明:1. 利用自相关函数法和周期图法实现随机信号的功率谱估计。 2. 观察数据长度、自相关序列长度、信噪比、窗函数、平均次数等对谱估计的分辨率、稳定性、主瓣宽度和旁瓣效应的影响。 --1. The use of auto-correlation function method and cycle map Method random signal power spectrum estimation. 2. Observation data length, the length of auto
matlab_correlation_frequency_estimate_powerspectru
- 此MATLAB程序用于自相关函数的估计(包括直接法和FFT法),信号的频率估计(包括MUSIC, ROOTMUSIC,ESPRIT和MVDR)和功率谱的估计(包括LevinsonDurbin迭代法,BT法和周期图法),并附带相应的仿真图以便于对比-MATLAB for correlation estimate :direct and FFT transform frequency estimate of signals:MUSIC, ROOTMUSIC,ESPRIT和MVDR power spe
Speech-signal-short-time-analysis
- 详细说明:语音信号的短时分析,主要包括:分帧、短时能量、短时平均幅度、短时过零率、短时自相关函数、短时幅度差、倒谱、复倒谱、lpc系数、lpc谱估计等 绝对保证质量,是保研后导师布置的一些基础程序-Details: short-time speech signal analysis, including: framing, short-term energy, short-term average rate, short-time zero crossing rate, short-time a
cyclostationary
- maltab循环平稳工具,其中包括:循环平稳的自相关函数,循环谱分析等内容。-maltab cyclostationary tools
bzs
- 白噪声过程的功率谱 自相关函数和功率谱-The power spectrum of the white noise process autocorrelation function and power spectral
随机信号谱分析
- 随机信号谱分析,给出了随机信号的自相关函数,互相关函数,频响函数,相干函数(Random signal spectrum analysis)
谱修正与CPM
- 通过伪随机序列进行频率调制,并对相位连续性进行优化。调制信号的自相关函数可以通过谱修正进行旁瓣抑制(Frequency modulation is performed by pseudo-random sequence and phase continuity is optimized. The autocorrelation function of modulation signals can be sidelobe suppressed by spectral correction)
循环谱
- 齿轮数据的分析 EMD滤波 循环自相关 循环谱密度函数 切片图(Analysis of gear data EMD filtering Cyclic autocorrelation Cyclic spectral density function Slicing)
代码
- 实现了一个基于 matlab 的信号发生器,并同时画出了信号的时域表示,自相关函数及功率谱,实现的信号发生器能够产生的信号为: (1) 白噪声 (2) 单位冲激信号 (3) 正弦信号 (4) 方波信号 (5) 三角波信号(A signal generator based on MATLAB is realized, and the time domain representation, autocorrelation function and power spectrum of the sign