Synthesizing the two identification methods of weighted least square and resricted memory , the mutivariable system recursive estimate algorithems of unknown parameter of autoregressive models in the presence of controlled inputare are given 摘要將加權(quán)最小二乘法和限定記憶兩種參數(shù)估計方法相綜合,給出了多變量系統(tǒng)帶控制輸入的自回歸模型未知參數(shù)的遞推估計算法。