frobenius 基本例句 弗罗贝纽斯 A simplified proof of the Perron- Frobenius theorem, for nonnegative irreducible matrices, is given in this paper. 对于非负不可约矩阵的配朗—弗罗本尼斯定理，本文给出了一种简化证明； cnki Selection criterion is based on the Frobenius-2 norm of received signal vector at each receiving antenna. 该文只考虑了接收天线选择，天线选择的准则是基于每个天线接收到的信号向量 F-2范数。 cnki