搜索资源列表
EMD
- emd分解全程序，包括画出包络，及多次分解过程- Hilbert Huang Transform is a two-step signal processing methods.First, the empirical mode decomposition method to obtain a limited number of intrinsic mode functions and then using Hilbert transform and instantaneous freque
envelope
- 包络函数的求取,希望对需要的人有所帮助。自己感觉程序还不错，已经运行过了，没有错误。-use for function when we need ,It s good .Wish do some help for someone who need.
4
- 运用自相关方法，估计语音信号的声道参数，绘出随预测增加时语音信号的LPC谱包络曲线，并与FFT谱比较。-Using autocorrelation method to estimate the channel parameters of speech signals, when plotted with the predicted increase in LPC speech signal spectral envelope curve, and compared with the FFT sp
voice_activity_detection
- 传统的有声无声检测方法只能在相对安静的环境下（<20dB）进行。因此传统方法不能满足噪声环境下的检测要求；另一方面，一直以来，单通道语音增强没有取得突破性进展，一个很重要的原因是没有找到高效的有声无声检测方法。研究了一种有声/无声检测算法是根据信号低频带、高频带短时能量包络的动态变化范围来判别噪声和含噪语音。对每一帧输入信号，通过与预先设定的一系列门限值比较来判断该帧是信号帧还是噪声帧。本设计使用了这种检测方法，选用北京瑞泰创新科技有限公司开发CETECK-VC33-D板，配合自己制作的前
rayleigh
- 瑞利衰落信道（Rayleigh fading channel）是一种无线电信号传播环境的统计模型。这种模型假设信号通过无线信道之后，其信号幅度是随机的，即“衰落”，并且其包络服从瑞利分布。-Rayleigh fading channel (Rayleigh fading channel) is a radio signal propagation environment, the statistical model. The model assumed that after the signal
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
envelop6
- 多径误差包络的仿真，能够清晰的看出。希望对大家有所帮助。-Multipath error envelope simulation, can be clearly seen. We want to help.
wjs
- 线性调频信号的循环自相关函数包络 基于循环平稳理论的，LFM信号的循环自相关函数包络matlab仿真程序-LFM cyclic autocorrelation function envelope based on the cyclic theory, LFM signal envelope of the cyclic autocorrelation function matlab simulation program
我的MATLAB程序
- MRS信号包络提取 线性拟合 非线性拟合 非常好用(MRS signal envelope extraction, linear fitting, nonlinear fitting, very easy to use)
MATLAB希尔伯特Hilbert变换求包络谱源程序代码
- 先对信号进行希尔伯特黄变换，可求解Hilbert变换后的包络谱(Hilbert envelope spectrum can be solved)
包络提取matlab程序
- 本程序是用于对变化较快的数字信号求包络信号的matlab函数(This procedure is used to change the speed of the digital signal for the envelope of the matlab function)
matlab包络线分析
- 对磁日变数据进行包络分析，包括程序及说明和实例(The envelope analysis of magnetic diurnal variation data is given, including program and explanation and examples)
画包络谱和幅值谱的matlab程序
- 基于傅里叶变换，实现了包络谱和幅值谱分析。(Based on Fourier transform, envelope spectrum and amplitude spectrum analysis are realized.)
包络分析
- 一个简单的包络谱算法，十分常用哟，有兴趣的小伙伴可以下载看看，对新手帮助还是很大的(A simple envelope spectrum algorithm, very commonly used yo, interested small partners can be downloaded to see, the new help is still big for the novice)
信号包络谱
- 求包络谱 一个简单的小程序 取样频率 不是很准(NOt a pressional But it's an effective program)
EMD编程示例（内有FFT，功率谱，HHT，包络谱）
- 一些关于经验模态分解的编程实例有FFT，HHT，功率谱，包络谱(Some programming examples about empirical mode decomposition include fft,hht, power spectrum, envelope spectrum.)
利用傅里叶变换和包络谱对轴承异响的分析
- 利用轴承声音信号做频谱分析和包络谱分析。(using voice of bearing vibration for FFT and hilbert FFT)
基于EMD的包络谱进行故障诊断matlab程序实例
- 对原始信号进行EMD分解及包络解调，得出包络解调谱，分析出故障频率(The original signal is decomposed by EMD and demodulated by envelope. The spectrum of envelope demodulation is obtained and the fault frequency is analyzed.)
基于Hilbert变换的包络分析
- 包络分析，用于信号处理。本例举出了一个范例，可以供大家学习参考。(Envelope analysis for signal processing. This example gives an example for everyone to learn from.)
包络检波
- 相干解调包络检波 通信原理课程设计课程设计课程设计课程设计(Curriculum design of coherent demodulation envelope detection communication principle course design course design)