几种插值算法在气动数据计算中的比较

摘要

插值算法被大量地运用在飞行器设计的过程中,不同的差值算法对结果精度会产生很大的影响。本文给出了几种插值算法的定义及求解过程,并使用MATLAB实现了算法,进行了算例比较。结果表明,在非线性情况下,三次样条插值法的精度较高,与原始数据更加吻合。%Interpolation algorithm is widely used in aircraft design processing, the different algorithm results in a huge accuracy impact. The paper presents the definition and solution procedure of the several interpolation al- gorithms, and realizes the algorithm by using MATLAB, the results show that the cubic saline is the most suitable for the original data in the nonlinear case.