At last, a hat-like weight function is employed to hide the edges of each component images.

最后本文使用了帽状加权函数对拼接图像进行融合，以消除图像之间的拼接痕迹。

A new method for choosing weight function is brought forward based on the grey relating analysis. The result shows this method is more applicable.

基于灰色系统理论的灰关联分析方法，提出了权函数的优选方法，实例分析表明其具有较好的实用价值。

Firstly, the structure of the transducer is designed using the equivalent cross-section area method and the weight function and head loss are calculated.

文中提出了一种运用等效坎截面法的变器结构设计，并对相应的权重函数和阻力损失进行了计算。