双线性内插 [数] bilinear interpolation
- 其次,选用线性和双线性多项式作为内插函数模型;
Secondly, linear and bilinear formulas are selected to be interpolation function. - 首先,实现了三角形双线性内插算法并应用于纵断面获取。
Firstly, the algorithm of triangular bilinear interpolation is shown in detail and applied to acquire the profile from TIN. - 本文介绍了利用双线性有限元法内插高程,建立规则格网数字地形模型的原理和方法。
In this paper the principle and method are introduced for setting up regular grid digital terrain models by bilinear finite elements.