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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 signal processing" Introd
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 Generate 10 different realizations
周期图法谱估计需要对信号序列“截断”或加窗处理
- 周期图法谱估计需要对信号序列“截断”或加窗处理，其结果是使估计功率谱密度为信号序列真实谱和窗谱的卷积，导致误差的产生。本程序分别设计了周期图法,最大熵功率谱估计和Welch法以及它们的对比,最大熵功率谱估计目的是最大限度地保留截断后丢失的“窗口”以外信号的信息，使估计谱的熵最大。-Periodogram spectrum estimation signal sequence needs to " cut off" or add the window handle, the
Periodogram-powe
- 平均周期图法和平滑平均周期图法估计功率谱 从经典功率谱估计周期图法原理入手，从理论上分析了其存在的局限性，借助Welch算法对其进行修正。依靠Matlab强大的数值分析和信号处理能力进行实验!! 用周期图法和welch法分别估计了一下信号的功率谱密度。采样频率200Hz，时间序列长度2048，FFT数据点数2048。其中welch法使用hanning窗，窗口长度600．-Average periodogram and periodogram smoothing method to est
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
glp
- 计算太阳黑子的活动周期，分别利用周期图法，Lenvinson-Durbin法和Burg法求得其功率谱，并画出曲线，观察得到活动周期-Calculation of sunspot activity cycle, namely the use of periodogram, Lenvinson-Durbin and Burg obtained the power spectrum, and draw curve, observation cycle
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
getailijingxing
- 利用平稳随机信号各态历经性，用周期图法对随机信号进行功率谱估计-The use of smooth ergodic random signal, and use periodogram of random signals, power spectrum estimation
T-est
- 分别使用周期图法以及改进的周期法实现谱估计-Using periodogram and improved method to achieve spectrum estimation cycle
sample5
- 不重叠加窗和重叠加窗周期图法得到的功率谱曲线-Non-overlapping windowed and overlapping windowed periodogram power spectral curve obtained
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 based on the Periodogram which is
periodgram
- 经典谱估计-周期图法 实现正弦波加正态白噪声信号的谱估计-Classical spectrum estimation- the realization of periodogram normal sine wave plus white noise signal spectrum estimation
ProjetTS
- It is a signal processing project. It deals with the processing of electrocardiogram signals. The statement is in the enonce_presentation file. Several signal processing tools are used, as periodogram, correlogram. An algorithm to recover lost sample
Welch
- 从经典功率谱估计周期图法原理入手，从理论上分析了其存在的局限性，借助Welch算法对其进行修正。依靠Matlab强大的数值分析和信号处理能力，进行实验仿真，比较不同的窗函数，不同的数据长度对Welch法谱估计质量的影响，并分析了造成这些影响的原因。-The paper mainly introduces the principles of Periodogram method of classical PSD estimation,analyzes the deficiency of Perio
Classical0
- 经典谱估计的几个经典算法，包括BT法，周期图法，改进周期图法等。。。MATLAB7.3上顺利编译通过-Classical spectral estimation of several classic algorithms, including the BT method, periodogram, modified periodogram method. . . MATLAB7.3 compile smoothly
mperiodogram.m
- matlab periodogram function using various windows
periodogram
- a usefull algorithm to smooth PERIODOGRAM of a selected signal.
Modified-periodogram
- (2). 采用汉明窗，分段长度L=32，用修正的周期图法进行谱估计，并分析数据长度N，分段长度M对谱估计结果的影响。-(2) using Hamming window, segment length L = 32, the modified periodogram method of spectral estimation and analysis of data length N, the length M of the sub-spectrum estimation results.
periodogram-and-BT-code
- 这是一个matlab周期图法与BT算法的仿真代码-This is the periodogram and BT algorithms in a Matlab simulation code
periodogram
- this is a periodogram matlab code