A modified segmental quadratic interpolation method which describes the shape of optical system pupil with relative coordinate error less than 1% and area error about 0.25%, is presented.
本文提出了一种改进的分段二次插值法描写光学系统的光瞳形状，得到了满意的效果，其坐标误差小于1%，面积误差约0.25%。
This paper describes also quadratic interpolation and the method of transformation of coordinates used in the calculation.
计算中所运用的二次插值及座标变换方法，在文中作了介绍。
One method is phase difference correction of partly FFT; the other is FFT frequency correction with quadratic interpolation.
一是利用分段FFT的相位差修正算法，二是基于二次内插的频率FF T校正法。
Analysis and computation of reactively loaded directive arrays is done by using the method of Moments (MOM) and an optimization procedure based on a quadratic interpolation method.
本文利用矩量法和基于二次插值法的优化方法对电抗加载定向天线阵进行了分析计算。
By analyzing the partial linearization algorithm of CTDM, a quadratic interpolation method is proposed to obtain the approximated optimal step size.
对求解CTDM的部分线性化算法进行分析，提出了在进行步长优化时使用二次插值法得到模拟最优步长的方法。
Based on analysis of quadratic spline interpolation, the shortest quadratic spline interpolation is discussed. Furthermore, golden section method is put forward to solve this problem.
在分析了样条函数插值基础上，提出最短二次样条插值问题，并提出用黄金分割法解决该问题。
Based on analysis of quadratic spline interpolation, the shortest quadratic spline interpolation is discussed. Furthermore, golden section method is put forward to solve this problem.
在分析了样条函数插值基础上，提出最短二次样条插值问题，并提出用黄金分割法解决该问题。
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