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psd
- 计算ARMA(p,q)模型的功率谱密度。 形参说明: b——双精度实型一维数组,长度为(q+1),存放ARMA(p,q)模型的滑动平均系数。 a——双精度实型一维数组,长度为(p+1),存放ARMA(p,q)模型的自回归系数。 q——整型变量,ARMA(p,q)模型的滑动平均阶数。 p——整型变量,ARMA(p,q)模型的自回归阶数。 sigma2——双精度实型变量,ARMA(p,q)模型白噪声激励的方差。 fs——双精度实型变量,采样频率(Hz)。
ARMA_LAST
- This function provides an ARMA spectral estimate which is maximum entropy satisfying correlation constraint (number of poles)and cepstrum constrains (number of ceros) The function requires 3 inputs: Input signal, Order of denonominator, Order
arma.rar
- ARMA模型建立程序,给出自相关序列,指定ARMA模型的P阶,Q阶参数,得出相应的参数值 function [bq ,ap]=armahat(rx,p,q),ARMA model for the establishment of procedures, to come from related sequences, designated the P-order ARMA model, Q-order parameters, the corresponding parameter value
arma.rar
- 针对ARMA的仿真源程序 对P, Q阶的求解,ARMA source for the simulation of P, Q-order solution
armaorder
- ARMA有理谱估计的阶数估计,用于估计用ARMA过程估计功率谱时要用几阶比较合适。-ARMA spectrum order estimation. It is used to compute the order of ARMA process that suited for signal estimation.
ARMA_Example
- ARMA 谱估计的若干种方法,ESPRIT.m bayesc.m AR.m 参数估计,阶数估计等等共9个文件-ARMA spectral estimation of a number of ways, ESPRIT.m bayesc.m AR.m parameter estimation, the order is estimated that a total of 9 files, etc.
ARMA
- 确定时间序列中的阶数的FPE或AIC准则的matlab代码。-Determine the order of time for the FPE or AIC criterion by matlab.
ARMApq
- 指定ARMA阶数p,q值 估计ARMA模型的参数值-ARMA order of the specified p, q value estimated ARMA model parameters
ARMA2D
- 主程序arma2Ddemo是对模拟图像的2DAR和ARMA参数估计。-arma2Ddemo: See and run the demo arma2Ddemo for an example of 2D AR and ARMA parameters estimation from simulated images. - sim_ar2d: generation of simulated 2D AR process. - sim_arma2d: generation of simula
x2gujidingjie1
- MATLAB中用于时间序列分析的arma()函数的定阶-MATLAB, for time series analysis arma () function of order determination
signal
- 产生一个随机信号和两个不同频率但频率间隔很小的正弦信号,要求对两信号之和进行如下分析: (1) 求该随机信号的自相关性系数、自相关函数,画出对应的图形; (2) 利用不同的参数建模方法求出两个随机信号的功率谱; (3) 利用极大似然估计、递推最小二乘法等常用的参数估计方法估计所建模型,包括AR模型、MA模型和ARMA模型的的参数,阶次自定;并与Matlab工具箱里的一些建模函数的运算结果进行比较; (4) 利用陷波滤波和MUSIC滤波方法对该信号的频谱进行估计; (5) 利
arma
- ARMA模型的建模, 对数据进行的预处理,对模型进行了定阶,参数估计,检验,利用该模型对未来的数据进行了预测。-ARMA model modeling the data preprocessing, model order determination , parameter estimation , testing , using the model to predict future data
ARMA-model-order-determination
- 一篇介绍ARMA时间序列模型定阶方法的文章,供大家参考。-a paper about order determination method for ARMA time series model .
arma
- 用matlab 根据AIC准则确定arma模型阶数。-Matlab AIC criterion according to determine the arma model order number.
ARMA
- 基于改进的ARMA模型 定阶预测方法,经过调试,程序能顺利运行-Improved ARMA model order prediction method, after debugging, the program can run smoothly
New-ARMA-model-
- 运用粒子群优化算法对ARMA(p,q)模型的阶数进行优化是可行的,且利用优化后的ARMA模型对航空发电机状态趋势进行分析的结果十分准确,与原始数据所表现出的航空发电机状态变化趋势基本一致。经计算,此时分析结果的平均相对误差较小,仅为1.38 ,与优化前构建的ARMA模型相比,平均相对误差降低0.23个百分点,优化效果明显。-Using particle swarm optimization algorithm to optimize the order of the ARMA (p, q) mo
Based-genetic-algorithm-ARMA-model
- 利用遗传算法对ARMA(p,q)模型进行优化,减少人为因素在模型定阶过程的影响,通过构建基于遗传算法的ARMA(p,q)模型,确定ARMA模型的具体阶数,并对航空发电机的状态趋势进行分析。-ARMA (p, q) model to optimize the use of genetic algorithms to reduce the impact of human factors in the process of model order, by constructing ARMA (p, q
ARMA
- ARMA模型定阶的资料,书中包含MATLAB中ARMA定阶代码,十分详细-ARMA model order information, the book contains a set of MATLAB ARMA order code, very detailed
biquad_alt
- Second order ARMA filter Can handle slowly varying filter coefficients. -Second order ARMA filter Can handle slowly varying filter coefficients.
ARMA
- ARMA模型:用AIC方法定阶,以及模型参数识别。(ARMA model: the order of the AIC method, and the parameter identification of the model.)