Especially in the transmitting antenna correlated parameter unknown circumstances, an innovational channel estimation algorithm which takes use of the long & shot training sequence is proposed.

尤其在发射天线相关参数未知情况下，本文创新性地提出了一种利用长训练序列和短训练序列进行联合信道估计的算法。

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The new controller regards the influence of unknown disturbances and parameter uncertainties as an equivalent disturbance and generates an on-line estimation by the mechanism of time daley.

本文将干扰和参数不确定性等效为系统的外界干扰，利用时延性对不确定性进行在线估计，并根据全程滑模的特点采用等效控制方法设计控制器。

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With help of the maximum-Likelihood estimation, Estimating algorithm of unknown parameter is obtained;

对离散型的数学模型人们已得到了众多的参数估计算法。

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