The element values of filters can be calculated by permutation method instead of the usual synthesis, i. e. successive complete and partial pole removals from the input impedances.
滤波器的元件值不是用一般的综合方法，即从输入阻抗中逐个移去全极点或部分极点，而是用极点交换法求得。
2
A prediction model of methanol content at the exit of methanol synthesis reactor was proposed through radial basis function networks and partial least square regression approach.
运用径向基函数网络结合偏最小二乘回归的方法建立了甲醇合成反应器出口甲醇含量的预测模型。
3
There are three approaches to produce synthesis gas from methane, namely, reforming with H_2O (steam reforming), with CO_2 (CO_2 reforming), and partial oxidation.