许多控制问题都可以用线性分式变换（LFT）结构来表示。
Many control problems can be formulated in a linear fractional transformation (LFT) framework.
应用分式化方法刻画了唯一分解环上对称矩阵模的保持伴随函数的线性变换的形式。
By the fractional method, characterized the linear preservers of the adjoint function on the symmetric matrix module.
应用分式线性变换检测法进行了对比测试，验证了理论分析结果的正确性。
By using the linear fraction transformation method, the compared measurements are made, which verify the validity of the theoretical results.
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。
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。
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.
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