... 自返闭包 reflexive closure 自方差 autovariance 自方差函数 autovariance function ...
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自方差函数 [数] autovariance function
自协方差函数 [数] Auto-covariance Function ; ACVF
自协方差 [数] auto-covariance ; auto covariance
自协方差母函数 [数] auto-covariance generating function
自协方差系数 [数] auto-covariance coefficient
自协方差矩阵 [数] auto-covariance matrix
自动方差 auto variance
变样本自协方差估计 ACEVS
自动协方差法 auto covariance method
因此，评估可由广义自回归条件异方差(GARCH模型)，这可能使避险比率意味着出随时间变化。
Therefore, evaluation could be carried out by means of Generalized Autoregressive Conditional Heteroscedasticity (GARCH), which could make hedge ratio vary with time.
对具有无限方差的一阶自回归非平稳过程进行了研究。
We study the unstable autoregressive process for the first order with infinite variance.
本文提出一种具有参考模型的广义最小方差鲁棒自校正控制算法。
A kind of generalized least square error robust self tuning controller algorithm with model reference is proposed.
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