搜索资源列表
periodogram
- 本程序是功率谱密度的仿真比较,关于三个信号源的具体情况参见《现代数字信号处理导论》上册，P202，习题5。 实验方法：周期图法、自相关法和协方差法。 -this procedure is the power spectral density of the simulation, 3 signal source on the specific circumstances, see the "modern digital
2D_Spectrum
- Author: Xianju Wang Summary: 2 Dimensional Spectral Estimation MATLAB Release: R12 Descr iption: Estimating the power spectrum associated with a random process is desirable in many applications. Th
period
- 近代信号处理中周期图法功率谱估计的MATLAB源码，简单但经典的算法。-Modern Signal Processing periodogram power spectral estimate of MATLAB source code, simple but classic algorithms.
periodogram
- 平均周期图法 重叠和不重叠分段 功率谱估计-Average periodogram overlapping and non-overlapping sub-power spectrum estimation
longteng3
- Bartlett法：Bartlett平均周期图的方法是将N点的有限长序列x(n)分段求周期图再平均。-Bartlett Law: Bartlett average periodogram method is limited to N-point long sequence x (n) Sub-seeking re-periodogram average.
periodogramestimate
- Generate 100 samples of a zero-mean white noise sequence with variance , by using a uniform random number generator. a Compute the autocorrelation of for . b Compute the periodogram estimate and plot it. c Gener
powerp
- 关于功率谱估计的,周期图法,自相关法,bartlett法和welch法,还有一个复倒谱估计的代码-On the power spectrum estimation, periodogram, since the relevant law, bartlett law and Welch law, there is a Complex Cepstrum estimated code
GongLvPuGuJi
- 用Matlab编写的功率谱估计，输入数据是100年太阳黑子活动记录，用周期图法、最大熵值估计（AR法及Burg法），画出信号功率谱进而算出太阳黑子活动周期。-Matlab prepared using power spectrum estimation, input data is 100-year record of sunspot activity, using periodogram method, the estimated v
MTM_PSD_subspec
- 基于多窗谱法功率谱估计的谱减法语音增强程序，多窗谱功率谱估计比传统的周期图法方差效果更好，抑制音乐噪声效果更佳。 该程序对语音增强入门的研究者有参考意义。-Spectrum method based on multi-window power spectral estimate of spectral subtraction speech enhancement procedures, multi-window spectral p
5
- 用最简单的程序去提取信号的功率谱，平均周期图法直接法提取，为基本的方法-Using the simplest procedures to extract the signal power spectrum, the average periodogram extracted directly, as the basic method
FFTpowerspectrumandtheestimated
- 用Fourier变换求取信号的功率谱---周期图法 用Fourier变换求取信号的功率谱---分段周期图法 用Fourier变换求取信号的功率谱---welch方法 功率谱估计----多窗口法（multitaper method ,MTM法） 功率谱估计----最大熵法（maxmum entmpy method,MEM法） 功率谱估计----多信号分类法（multiple signal classification,
PSD
- 求功率谱估计常用的几种方法，包括周期图法，Welch 法，和AR模型法。-For power spectrum estimation commonly used in several ways, including periodogram, Welch law, and the AR model.
PowerSpectrumEstimate
- 该文件解压后为WORD文档格式，是我自己写的基于周期图法等算法的功率谱估计文档，内有详细的matlab源代码-After unzip the file for WORD file format, I wrote it myself periodogram-based algorithms such as power spectrum estimation document, with detailed source code matla
approceesig
- Measuring Frequency Content in Signals I this section we will study some non parametric methods for spectrum estimation of a stochastic process. These methods are described in the literature. All methods are base
p_classical
- 经典的功率谱估计，平均周期图法实现，已经加上了详细的注释-Classical power spectrum estimation, the average periodogram implementation, has added a detailed comment
chap08
- ex6_1 ～ ex6_3二项分布的随机数据的产生 ex6_4 ～ ex6_6通用函数计算概率密度函数值 ex6_7 ～ ex6_20常见分布的密度函数 ex6_21 ～ ex6_33随机变量的数字特征 ex6_34 采用periodogram函数来计算功率谱 ex6_35 利用FFT直接法计算上面噪声信号的功率谱 ex6_36 利用间接法重新计算上例中噪声信号的功率谱 ex6_37 采用tfe函数来进行系统
PSD_zqt
- 周期图法进行功率谱估计的函数，配套张旭东的课本习题-Periodogram power spectrum estimate of function, supporting the Textbook Exercise Zhang
PeriodogramwithMATLABcode
- Sinus estimation with 2D periodogram
smooth_spectrum
- 估算能量谱，并且能通过圆滑对多道地震数据计算平均能量谱。-Power spectrum estimate by smoothing the periodogram. For more than one trace provides the average spectrum followed by smoothing.
Periodogram
- 利用周期图法对序列进行功率谱估计，数据窗采用汉明窗-Sequences using periodogram method for power spectrum estimation, the data window with Hamming window