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Description: 关于fft变换的程序,可用于各种时域图的频谱分析,值得试用-on fft transform the procedure can be used to map various time-domain analysis of the spectrum, worth trial
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Author: 陈力 |
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Description: 一个多径信道仿真程序。其主程序为：
Jakes_filter.m 产生信道多普勒功率谱形状
linear_fft.m作fft变换，并作相应平移。
linear_psd.m分析信号的psd
qpsk_berest.m产生qpsk信号
random_binary产生随机信号源-a multi-path channel simulation program. Its main program : Jakes_filter.m have access Doppler power spectral shape linear_fft.m for f ft transform, and for the corresponding translation. Linear_psd.m analysis of the signals generated psd qpsk_berest.m letter qpsk No. random_binary generated random signal source
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Size: 5120 |
Author: 周智 |
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Description: matlab中用不同的方法计算随机数列的功率普-matlab using different methods of calculating the random numbers out of power
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Size: 1024 |
Author: 片片鱼 |
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Description: 二维功率谱密度计算程序 使用傅里叶变换 -2D PSD caculation estimator
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Size: 1024 |
Author: 陈建超 |
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Description: 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函数来进行系统的辨识，并与理想结果进行比较
ex6_38 在置信度为0.95的区间上估计有色噪声x的PSD
ex6_39 在置信度为0.95的区间上估计两个有色噪声x，y之间的CSD
ex6_40 用程序代码来实现Welch方法的功率谱估计
ex6_41 用Welch方法进行PSD估计，并比较当采用不同窗函数时的结果
ex6_42 用Yule-Walker AR法进行PSD估计
ex6_43 用Burg算法计算AR模型的参数
ex6_44 用Burg法PSD估计
ex6_45 比较协方差方法与改进的协方差方法在功率谱估计中的效果
ex6_46 用Multitaper法进行PSD估计
ex6_47 用MUSIC法进行PSD估计
ex6_48 用特征向量法进行PSD估计-ex6_1 ~ ex6_3 binomial distribution of the generated random data
ex6_4 ~ ex6_6 generic function value of the probability density function
ex6_7 ~ ex6_20 common distribution density function
ex6_21 ~ ex6_33 figure characteristics of random variables
periodogram function ex6_34 used to calculate the power spectrum
ex6_35 direct method using FFT signal above the noise of the power spectrum
ex6_36 recalculated using the indirect method on the example of the power spectrum of noise signal
tfe function ex6_37 used for system identification, and results were compared with the ideal
ex6_38 at 0.95 confidence interval for the estimated colored noise x on the PSD
ex6_39 at 0.95 confidence interval of the two colored noise on the estimated x, y between the CSD
ex6_40 code used to achieve the Welch method of power spectrum estimation
Welch method ex6_41 with PSD estimates, and compare different window function when the results when
ex6_42 using Yule-Walker AR method is esti
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Size: 7168 |
Author: 张满超 |
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Description: 一个在matlab环境下实现FFT的实践和功率谱分析的程序-this is a program about fft and psd analysis
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Size: 1024 |
Author: wuxiaofei |
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Description: Spectral density, FFT, PSD,
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Size: 1024 |
Author: joemon |
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Description: 通信基本仿真2适合初学者学习的代码,包括了调制,分析等等:使用IIR filter的经典模拟滤波器（巴特沃斯Butterworth,切比雪夫Chebyshev）,Bartlett周期图谱，加窗Bartlett周期图谱，基带波形仿真，IIR的贝塞尔滤波器Bessel Filter，二进制对称信道Binary Symmetric Channel仿真，比特序列，Remez滤波，BPSK复合基带信号仿真，载波生成器，椭圆滤波器Elliptical Filter，FFT,FSK调制及解调，高斯噪声Gaussian仿真，直方图，理想AM，线性PLL，BP混淆器，理想MPSK，正交振幅调变（QAM，Quadrature Amplitude Modulation），正交相移键控(QPSK)，Rayleigh Noise瑞利噪声，Yule-Walker Psd功率谱密度函数。-matlab simulate2
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Size: 1762304 |
Author: longliu |
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Description: 通信基本仿真3,适合初学者学习的代码,包括了调制,分析等等:使用IIR filter的经典模拟滤波器（巴特沃斯Butterworth,切比雪夫Chebyshev）,Bartlett周期图谱，加窗Bartlett周期图谱，基带波形仿真，IIR的贝塞尔滤波器Bessel Filter，二进制对称信道Binary Symmetric Channel仿真，比特序列，Remez滤波，BPSK复合基带信号仿真，载波生成器，椭圆滤波器Elliptical Filter，FFT,FSK调制及解调，高斯噪声Gaussian仿真，直方图，理想AM，线性PLL，BP混淆器，理想MPSK，正交振幅调变（QAM，Quadrature Amplitude Modulation），正交相移键控(QPSK)，Rayleigh Noise瑞利噪声，Yule-Walker Psd功率谱密度函数。-matlab simulte
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Size: 1659904 |
Author: longliu |
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Description: Welch法功率谱密度 Psd自功率谱
是用改进的平均周期图法来求随机信号的自功率谱估计
采用信号重叠分段，加窗函数和fft算法等计算一个信号的自功率谱估计（PSD）-Welch法功率谱密度 Psd自功率谱
是用改进的平均周期图法来求随机信号的自功率谱估计
采用信号重叠分段，加窗函数和fft算法等计算一个信号的自功率谱估计（PSD）
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Size: 1024 |
Author: 周陶 |
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Description: Welch功率谱密度是用改进的平均周期图法来求取随机信号的功率谱密度估计值。Welch法采用信号重叠分段、加窗函数和FFT算法等计算一个信号序列的自功率谱估计(PSD如上例中的下半部分的求法)和两个信号序列的互功率谱估计（CSD）。MATLAB信号处理工具箱函数提供了专门的函数PSD和CSD自动实现Welch法估计，而不需要自己编程。-method of power spectral density plot
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Size: 2048 |
Author: LinkedBox |
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Description: 傅里叶变换与频谱分析的matlab代码，用于时间序列分析。-matlab code for FFT and PSD
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Size: 12288 |
Author: DAVID |
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Description: spectrum analysis of a discrete-time signal using matlab built-in FFT function and then the PSD is calculated and plotted.
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Size: 1024 |
Author: Maram Ahmed |
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