1) sample autocovariance (autocorrelation) function
样本自协方差(自相关)函数
2) sample autocorrelation function
样本自相关函数
3) autocovariance function
自协方差函数
1.
In this paper, the autocovariance function and the relationship between linear and general bilinear time series model are derived.
对非线性时间序列分析中常见的双线性时序模型,本文给出了一般双线性时序模型自协方差函数间的关系以及与线性时序模型自协方差函数间关系的联系,运用Volterra级数表达式导出了双线性时序模型的脉冲响应函数和频率特性函数。
2.
This paper derived the recursive formula of autocovariance function and a three-stage algorithm of computing spectral density of MAR model,thus we solved spectral analysis problem of MAR model.
针对MAR模型导出其自协方差函数的递推关系式及计算谱密度的算法,从而从理论上解决了这一模型的谱分析问题。
4) auto-covariance function
自协方差函数
1.
In this medel, the auto-covariance function and the cme-covariance function of different variables calculated from the known data can be used to obtain the solutions by the Mihant iterative methed, in order to obtain such unknown undetermined parameters as the multiple variable linear combination coefficients b1, b2,…, bp,the fractal power-law interception a and the grapht box dimension s.
提出多变量分形体的数学模型，其可由各变量的自协方差函数和互协方差函数应用麦夯脱法进行选代求解，以获取多变量线性组合系数b1，b2，…，bp，以及分形幂律截距a和graphf的盒维数s等未知的待定参数。
2.
In the paper, we get a stationary solution of Langevin equation with fractional Ornstein-Uhlenbeck process noise, and proved that the decay of its auto-covariance function is like that of a power function.
可以证明,受驱于分数O U过程的由Langevin方程也有平稳解,且有幂函数形式的延迟自协方差函数,但是分数O-U过程的Lamperti变换得到的平稳过程却有指数衰减型的自协方差函数。
5) autocorrelation square function
自相关平方函数
1.
Pitch detection based on autocorrelation square function and wavelet transform
基于自相关平方函数与小波变换的基音检测
6) Auto-Covariance Estimation of Variable Samples(ACEVS)
变样本自协方差估计(ACEVS)
补充资料：协热自利
协热自利 协热自利 病证名。表热入里而致泄泻。又称火泻、火泄。《医宗必读·泄泻》：“火泄，腹痛泻水，肠鸣，痛一阵泻一阵，火也，黄芩芍药汤，张长沙谓之协热自利。”详见热泻、火泄条。
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参考词条