研究了二次抛物线型的GRIN球透镜的光线轨迹方程序；得出其轨迹为椭圆曲线及一些重要结论。
At last, the author obtained the equation of ray trace in the GRIN ball lens with the index profile which is quadratic and drew some important conclusions.
通过理论分析与模型试验，从时均压力、脉动压力、空化数等方面得出缓坡与陡坡过渡衔接部位采用抛物线型式较圆弧型式好的结论。
The parabolic shape is better than the arc shape through comparing time averaged pressures, fluctuating pressures and cavitations by theoretical analysis and hydraulic model experiments.
现场测试结果表明，台背土压力大致呈“抛物线型”分布，与库仑土压力理论的线性分布不同。
The results of field test indicate that the earth pressure of abutment, different from linear distribution of Coulomb's, acts as parabolic type.
用这种等效方法可以求解抛物线型非均匀线的精确解。
By this way, the exact solutions of parabolic lossless nonuniform transmission line can be gained.
在锥度上，圆坯结晶器为连续的抛物线型锥度。
The round mould taper is continuous parabola profile in the taper direction.
科罗达等效方法可将抛物线型无损非均匀传输线用均匀传输线及若干集中参数元件组成的等效电路表示。
Based on Kuroda's identities, parabolic lossless nonuniform transmission line(NTL) can be represented by the equivalent circuit consisting of lossless uniform transmission line and lumped elements.
以对称抛物线型渐变折射率平面波导为例，给出较为满意的分析结果。
Taking two-dimensional parabolic-index guides as an example, we found that the result was satisfying.
本文结合状态重构方法与最优点控制方法，从而实现对抛物线型分布参数系统的最优点控制。
Due to this need, the dissertation combines the state reconstruction method and the optimal point-wise control method to realize the optimal point-wise control for the parabolic DPS.
结果表明，蜗室中间的主流速度在不同转速下均呈抛物线型分布；
The results clearly document that the curves of vertical and main velocity in the middle area of the volute are parabolic at all running speeds.
小球在光学梯度力的作用下，被牵引到光强极大值处，沿着抛物线做振荡运动，并最终收敛于抛物线型结构。
Particles in the Airy beam were firstly dragged into the nearest optical intensity peaks, and then oscillated along the parabolic trajectories and finally converged to the parabolic line.
利用该结果分别研究了抛物线型单势垒情况、方型双势垒情况、抛物线型双势垒情况以及置于外场中的双势垒情况。
The parabolic barrier, double barrier with a rectangular well, double barrier with a parabolic well structure and the potential barrier placed in an external field are discussed here.
论文介绍了法国和德国的线型，指出采用三次抛物线线型已成为大号码道岔线型的发展趋势。
The geometry of turnout of France and Germany is described. It is pointed out that cubic parabola has been a development direction of geometry of the big number turnout.
将分段式抛物线作为助力特性曲线，实现了电动助力转向系统的曲线型助力功能，设计了能够实现曲线型助力的单片机控制系统。
The structure and working principle of the electric power steering(EPS) system were summarized and the design method of the assistance characteristic of the EPS system was introduced.
将分段式抛物线作为助力特性曲线，实现了电动助力转向系统的曲线型助力功能，设计了能够实现曲线型助力的单片机控制系统。
The structure and working principle of the electric power steering(EPS) system were summarized and the design method of the assistance characteristic of the EPS system was introduced.
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