First, by redefining the within class scatter matrix and the between class scatter matrix, a new null space method was presented.

首先，通过重新定义样本的类内散布矩阵和类间散布矩阵，提出了一种新的零空间法。

youdao

According to the field matching theorem, the transmission equation and scatter matrix expressions of the coaxial extractor system with support post are educed in this paper.

本文根据场匹配原理导出了具有支撑杆的同轴提取区系统的传输方程和散射矩阵，并对同轴提取区各部分的微波模式进行了理论分析。

youdao

First, an uncorrelated projection space is constructed based on the total population scatter matrix.

首先根据总体散布矩阵构造无相关投影空间。

youdao