查询词典 fitting of a curve

To overcome the inconvenience of traditional centrifugal pump impeller design, the quartic Bezier curve is used to design the meridional plane and blade profile.

针对传统离心泵叶轮设计步骤繁琐的不足，提出了采用4次Bezier曲线来设计叶轮的轴面流线及叶片型线的方法。

On each sub-interval, the quartic Bézier curve segment has one freedom degree that is used to adjust the shape of the segment.

zier曲线的形状。自由度由极小化样条曲线和辅助曲线的一阶导矢差的平方的积分确定。

They include the glide track following system、the quartic curve leveling control system and the lateral deflection correcting system.

三、无人机自动着陆部分：分别设计了下滑轨迹跟踪控制系统、四次曲线拉平控制系统及侧向偏离修正控制系统。

Therefore, brings forward a self-adaptive MMAS algorithm based path optimization method and a quartic Bezier curve based corner smoothing method respectively.

提出了基于自适应MMAS算法的裁刀下刀点路径优化算法，以及基于四次贝塞尔曲线的样片轮廓平滑优化算法，以解决裁剪路径优化问题。

If there are local irregularities on the portions of the quartic Bézier curve, the irregular portions could be locally removed by adjusting the corresponding freedom degrees and redefining the corresponding slope vectors at the data points.

引 言构造插值曲线曲面是计算机辅助几何设计、计算机图形学和科学计算等领域中的重要研究内容之一。

Because of its favourable mining and processing costs, it will achieve nickel production costs in the lowest quartile of the world nickel supply curve.

因为它较低的采矿及选矿成本，它的镍生产成本将在全球的镍供应价格中属于最低的四分之一。

With the polarization-resolved transmission spectrum curve, the phase retardation of quartz wave plate can be determined at a wide spectral range from 200 to 2000 nm obviously.

由某一波片的偏振分辨透射率光谱曲线可以确定出该波片在光谱范围从200-2000nm之间任意波长处的延迟量。

Its operating principle is analyzed by means of matrix formulation, and the result indicates that the thickness of the quartz plate along the crystal axis will be exactly obtained by accurate judgment of the transmission curve of a quartz plate sandwiched between two crossed polarizers.

利用光学矩阵方法对测量原理进行了分析，指出通过测量由两个正交的偏光镜和待测石英晶体所组成的系统的透射曲线就可以精确计算出待测石英晶体的厚度。

In accordance with the problem that the fast implementation of elliptic curve cryptosystems relies on the efficient computation of scalarmultiplication, this paper improves the mixed binary and ternary method to express n, generalizes the mixed binary, ternary and quinary method toexpress n .

椭圆曲线密码体制的快速实现依赖于标量乘的有效计算，该文改进n的二进制和三进制的混合表示方法，并且将其推广到n的二进制、三进制和五进制的混合表示。

For this objection, we propose a kind of optimal interpolator in the senes of the minimizing mean square error, which using the image nonseparable autocorrelation function model and characteristic of circular quincunx interpolator's coefficient distribution. The experiments testified that the interpolating characteristic of APIDCSF is similar to the optimal interpolator. A quasi-vanishing moment curve is proposed here.

消失矩高的滤波器内插性能好于消失矩低的滤波器，或者说支撑大的滤波器内插性能好于支撑小的滤波器，对于支撑相同但消失矩不同的不同类滤波器，提出了准消失矩曲线，可以检测二维不可分离的内插滤波器的内插性能以及在相同支撑下低阶消失矩与高阶消失矩滤波器的相似度。

Great. What repertoire did you see?

太棒了。你看的是什么剧目？

I prepared not to accept such ridiculousness:"Please," I said to him.

我可不想理会这套荒谬的东西："请你通情达理一点儿。"