抛物面

And use the least squares technique to paraboloid fitting the finite element node on the distorted antenna.

采用最小二乘法来对变形后的天线有限元节点进行抛物面拟合。

The efficiency of the half pixel search is improved by using a paraboloid prediction based f ast half pixel motion estimation algorithm.

为了加速半像素搜索，提出了一种基于抛物面预测的半像素快速搜索算法。

Paraboloid antenna and high efficiency feed aperture.

抛物面天线及高效率喇叭。

First,using the drawing method to form the hemisphere-shaped workpiece and paraboloid shaped workpiece.

Marc对不锈钢带凸缘半球面形件和抛物面形件进行了数值模拟研究。

And multiobjective optimization of complex structure with the help of neural networks and uniform experiment design, etc. As an example to illustrate the theory of this thesis, Robust design of a 10m antenna reflection part with circular paraboloid surface is proceeded. Antenna attracted people's research in these years because it is structure with very high precision.

作为实例，论文中对某10m圆抛物面天线反射体进行了健壮性设计，得到了原问题的健壮最优解，不仅实现了原系统的性能优化，同时使天线的性能在受到可控因素较大的范围的变异时所产生的变异达到最小，实现了系统的健壮性。

A calculation method and calculation results that show that a new kind of shaped paraboloid antennas can produce a ringy radiation pattern is presented.

通过数值计算发现将抛物线绕通过焦点的非抛物线对称轴旋转而形成的赋形抛物面天线可产生环状的方向图主瓣(此主瓣指的是主瓣最大值处)。

Take fabricating a paraboloid mirror of Φ314 mm diameter and F/7 for example to analyze the optical fabrication technology progress of paraboloid in stressed-state.

研究了应力抛光技术的原理及算法，以加工一块口径为Ф314 mm，F/7的抛物面镜为例，验证应力抛光技术的合理性和有效性。

This is the paraboloidal mirror at the bottom of the tube.

主镜。是位于镜筒底部的一块抛物面镜。

As to manufacturing a Φ1800mm, F/1.5 large paraboloidal mirror, three structure models with different thickness of base plate were calculated and analyzed respectively.

以加工Φ1.8m、F/1.5的大口径抛物面主镜为参照，分别对三种结构模型在不同基盘厚度时进行了变形仿真计算。

The distribution of concentrated solar radiation in paraboloidal collectors.

旋转抛物面聚光器焦面能流分布的有限元分析。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。