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ar
- 含有噪声的余弦序列,分别采用周‘期图法’与‘改进协方差法’估计序的功率谱
An_improved_ekf_new_methods
- 本文对于非线性非高斯问题,提出了一种改进扩展卡尔曼滤波(NIEKF)新方法。该方法将迭代滤波理论引入到扩展卡尔曼滤波器方法中,有效地重复利用新的测量信息,还利用Levenberg-Marquardt 方法调整预测协方差阵以保证算法具有全局收敛性。实验结果表明,所提方法具有更高的估计精度,是一种效率较高、性能较好的跟踪方法。-This non-Gaussian for nonlinear problems, an improved extended Kalman filter (NIEKF) th
PSD_ImprovedCorr
- 现代信号处理中功率谱估计理论中改进的协方差算法。程序直观明了。-the algorithm in modern signal processing.
music
- 用MUSIC算法和改进的协方差算法实现的功率谱估计-MUSIC algorithm and the modified covariance algorithm of power spectrum estimation
diagonal_loading_SMI_1
- 针对样本协方差矩阵求逆方法中采样点小于阵元个数时作出的仿真。此改进方法可以在采样点小于阵元个数时提高波束形成器的性能。-For the sample covariance matrix inversion method of sampling is less than the number of array elements made the simulation. This improved method can be sampled at less than the number of ar
6
- 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
matlab
- 基于yule_walker,burg,协方差,改进协方差,最大熵方法这五种算法的matlab程序,并且是一个周期正弦信号与高斯白噪声的模型-Yule_walker, burg, covariance, improved covariance method of maximum entropy algorithm matlab these five programs, and is a periodic sinusoidal signal with Gaussian white noise mod
spectrum-evaluation
- 将周期图、自相关、协方差、改进协方差、Burg五种谱分析法封装为函数,并调用之对三个不同的信号源进行谱估计。-Encapsuler 5 methods of frequency uation (Periodogram, COR, COV, MCOV, Burg) as functions, and use them to do frequency uation of three different signals.
test1
- 信号的FFT变换、经典功率谱分析和现代功率谱分析,周期图法、尤利沃克方法、burg方法、协方差和改进协方差方法-Signal FFT transform, the classic power spectrum analysis and modern power spectrum analysis and periodogram method, method of Julius walker, burg, covariance and the covariance improvement meth
