查询词典 conicoid

The groove spacing can vary in arbitrary forms, and the image surface can be chosen as a plane or a conicoid.

通过刻划在非球面基坯上的凹面光栅验证了光线追迹方法的可靠性。

The high vertical resolution is achieved at a larger sampling distance when interpolation algorithm is adopted to reconstruct the 3D profile and the conicoid fitting technique is used to calibrate for the system error in the data processing.

在数据处理上，采用了内插值三维重构算法，以及二次曲面拟合的系统误差校正算法，可以在较大的采样间距下获取较高的测量精度。

Spatial Appolonius drawing problems can be completely solved with conicoid.

通过引进圆锥曲面作为新的作图工具，著名的三维Appolonius作图问题可以被完全求解。

The simulation environment for the braking of aircraft was virtualized by conicoid model, planar paste, illumination and particle technology.

通过雨天刹车系统的仿真实例可看出，该系统较好的满足了飞机防滑刹车系统仿真的可视化要求，为飞机防滑刹车系统提供了逼真、实时的视景仿真环境。

We use least squre method to form conicoid mathematic model and fit the point cloud which has been grouped by octree subdivision method.

应用最小二乘法建立二次曲面的数学模型，对于已用八叉树分组的点云数据实现隐函数拟合。

Sphere fitting method, conicoid fitting method and line scanning curve fitting method are used to approach system error for the first time. The effect on the measurement error of each method is also analyzed.

首次利用球面拟合法、二次曲面拟合法以及行扫描曲线拟合法去逼近系统误差，并分析了各种方法进行系统误差校正时对最终测量误差的影响。

The capital parameters of the optical system are f′=1 600mm,2ω=18°×0.148°, F/number=F/10,and all surfaces are conicoid.

光学系统的基本参数为：焦距f′=1 600 mm，视场角为2 w=18°×0.148°，相对孔径为1／10，3个反射面均为二次曲面。

The result indicates that conicoid anti error is smaller than that of plane and three cubed anti error fitting model, but the validity of the model doesn't necessarily have relationship with model steps.

结果 二次曲面抗差的结果要好于相关平面与三次曲面抗差的结果精度，并非抗差模型阶次越高有效性越高。

Normally, the conicoid fitting method and the neural network method are used for converting a GPS height into a normal height.

转换GPS高程通常使用二次曲面拟合法和神经网络方法，但这两种方法各有优缺点。

The problems include Catmull-Clark subdivision surfaces can"t precisely represent standard conicoid except paraboloid, and it can"t modify the shape of limited surfaces when the original control mesh be given.

Catmull-Clark细分曲面无法精确表示除抛物面外的常规二次曲面；在给定初始控制网格的情况下，难以调整所生成曲面的形状等。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。