A matrix connection of the panel using buttons and rotating shaft encoders is developed after the principle of rotating shaft encoders is introduced.
介绍转轴编码器的原理，从而提出面板中按键和转轴编码器的混合矩阵连接方案。
The definition of similar quasi-direct sum of matrix is introduced. Andthe connection with group inverse is discussed. Some properties and applications are obtained.
首先引入矩阵的相似准直和的定义，讨论了它和群逆的关系，得到了一些性质和应用．。
The blocking matrix of Figure 1-14 allows the connection of a single input to any single output. Therefore, only one signal path is active at any given time.
图1 14中的块矩阵可以将单路输入连接到任意单路输出，因此在任意时间只能有一个信号路径是活动的。
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