Some fixed point theory of fractional linear transformation is discussed and it is shown that one kind of transformation from unit circular to unit circular has only some real fixed points.
本文讨论了分式线性变换不动点理论，并证明了一类单位圆到单位圆的分式线性变换仅有实不动点。
Many control problems can be formulated in a linear fractional transformation (LFT) framework.
许多控制问题都可以用线性分式变换（LFT）结构来表示。
Then, based on the multipath model, this thesis analysed and researched the time delay algorithm based on the weigthed fractional lower order covariance and the weigthed non-linear transformation.
其次，在多径时延的模型基础上，本文分析研究了加权分数低阶协方差时延估计方法和基于加权非线性变换的时延估计方法。
Then, based on the multipath model, this thesis analysed and researched the time delay algorithm based on the weigthed fractional lower order covariance and the weigthed non-linear transformation.
其次，在多径时延的模型基础上，本文分析研究了加权分数低阶协方差时延估计方法和基于加权非线性变换的时延估计方法。
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