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 of Numerator and the output variable are: numerator coeffients, denominator coeficients and square-root of input noise power. ARMA_LAST function requires spa_corc.m file to compute the autocorrelation matrix- 下载
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arma模型的功率谱估计代码。还包括系统的极零点分析等完整软件包。-arma model of the power spectrum estimation code. The system also includes a very complete analysis of 0.1 package. 下载
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Least Square - ARMA 算法的MATLAB代码, 是频谱分析(通常是在高级DSP这门课中会用到的)的常用算法-Least Square-ARMA algorithm MATLAB code, Analysis of the spectrum (usually at the senior DSP This class will be used) to the commonly used algorithm 下载
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MYW - ARMA 算法的MATLAB代码, 是频谱分析(通常是在高级DSP这门课中会用到的)的常用算法-MYW - ARMA algorithm MATLAB code, Analysis of the spectrum (usually at the senior DSP This class will be used) to the commonly used algorithm 下载
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利用ARMA、AR、MA模型,以及周期图等进行系统参数估计-use ARMA, AR, MA model and cycle map for parameter estimation system 下载
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用Cholesky分解求ARMA模型的参数并作谱估计。- 下载
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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)。 x——双精度实型一维数组,长度为len。当sign=0时,存放功率谱密度;当sign= 1时,存放用分贝表示的功率谱密度。 freq——双精度实型一维数组,长度为len。存放功率谱密度所对应的频率。 len——整型变量,功率谱密度的数据点数。 sign——整型变量,当sign=0时,计算功率谱密度;当sign=1时,计算用分贝表 示的功率谱密度。 -calculated ARMA (p, q) model of the power spectral density. - Participation : b -- double-precision real one-dimensional arrays, length (q 1), storage ARMA (p, q) model of the average coefficient of sliding. A -- double-precision real one-dimensional arrays, length (p 1), storage ARMA (p, q) model of regression coefficients. Q -- integer variables, ARMA (p, q) moving average model of order. P -- integer variables, ARMA (p, q) model of order since the reunification. Sigma2 -- double precision real-type variables, ARMA (p, q) model white noise variance. Fs -- double precision real-type variables, sampling frequency (Hz). X -- double-precision real one-dimensional array, the length of len. When the sign = 0, storage power spectral density; When the sign = 1:00, storage decibel levels, said th 下载
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用于模拟时变非平稳的ARMA过程,根据Doppler频移和时变参数计算ARMA过程的系数,可以用来模拟非平稳的多径衰落信道-used to simulate nonstationary time-varying ARMA process, according to Doppler frequency shift and the time-varying parameters ARMA process coefficient, can be used to simulate the non-stationary over Fading Channels 下载
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用Cholesky分解求ARMA模型的参数并作谱估计,这个程序是用C来实现的- 下载
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参数化双谱估计,用语对参数进行估计.可以等同ARMA模型构造.可以看看- 下载
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