Research on Method to Confirm Minimum Radius of Circular Curve of Mountain Expressway;
山区高速公路圆曲线最小半径确定方法的研究
According to the speed and overload during vertical maneuver,the minimum radius, its speed as well as rapid rotating speed are calculated and analyzed for upward level flight, downward inverted flight and vertical ma-neuver.
根据某新机飞行人员的要求,对其正飞向上,倒飞向下和垂直位置进行机动的最小半径及其速度、快转速度进行了一系列的计算与分析,从中得出飞机中低空(1000～5000米)进行垂直机动的最佳速度和过载,为某新机垂直机动训练中,提高质量,保证安全提供了可行的理论依据,并在飞行训练中得到了验证。
This paper considers the minimum radius problem of ball-coverings with the cardinality m(≥n+1) in n by the neural network method.
本文采用神经网络方法研究n中球覆盖最小半径的计算问题,重新给出计算基数为m(≥n+1)的球覆盖最小半径的公式(对于m=2n(对称)和m=n+1给出了解析表达式),然后基于罚函数法建立神经网络模型,该模型的平衡点集具有大范围吸引性且(渐近)稳定平衡点等价于(严格)极大值点。
The maximum and minimum bubble radii as well as the oscillation times for the first two oscillation cycle are determined according to the characteristic signals.
结果表明:表面张力延缓了空泡的膨胀过程,加速了空泡的收缩,缩短了空泡脉动周期;表面张力越大,空泡对应的最大泡半径越小而收缩所能达到的最小泡半径亦越小;表面张力加强了空泡泡能的损失。
Some key skills such as the section method with zero error,minimum radius control point theory,database technology,modularized and parameterized design technologies were synthetically applied in this system to carry out high precise,high efficient,easier and quicker design for circular formed turning tools.
该系统综合运用"零误差"截形法、最小半径控制点理论和数据库技术、模块化、参数化设计技术,实现了高精度、高效率、简便快捷的圆体成形车刀设计。
Utilizing the technique of minimum radius control point,which realizes parametric design based on feature on circular-formed turning tools.
该系统利用自动截形法获得成形车刀"零误差"刀刃廓形;利用最小半径控制点技术实现了圆体成形车刀的基于特征参数化设计;使用数据库技术实现成形车刀的切削角度、结构尺寸的参数化设计;编程实现了工程图的尺寸标注功能及圆体成形车刀剖视图的建立;解决了原来成形车刀设计的设计精度和效率低等问题。
Importing swallowtail trough model method and utilizing the technique of minimum radius control point, parametric design is realized based on feature o.
该系统利用自动截形法获得成形车刀“零误差”刀刃廓形;采用导入燕尾槽模型的方法,利用最小半径控制点技术实现了棱体成形车刀的基于特征参数化设计;使用数据库技术实现成形车刀的切削角度、结构尺寸的参数化设计;通过编程实现工程图的尺寸标注功能;解决原来成形车刀设计的设计精度和效率低等问题,消除了双曲线误差。
Mathematic calculation approach of minimum bending radius of mandrel based on Matlab
基于Matlab的芯轴最小弯曲半径计算
At last, the formulation of allowable minimum bending radius limiting .
推导出限制弯管壁厚变化量的许用最小弯曲半径公式,经试验验证具有一定的实用价值。
In NC rotary-draw bending of thin-walled tube the value of minimum bending radius which keeps the mandrel balls from interference and collision is confined by structure characteristic and joint fashion.
在薄壁管的NC绕弯加工中,最小弯曲半径由芯轴的结构特点和连接方式确定,弯曲半径的值决定了芯轴块间是否发生碰撞干涉。
In this paper, the approximate equations of the balloon neck surface and of the minimum neck radius are derived, which .
这里给出了气圈颈部曲面的近似表达式及气圈颈部最小半径的近似计算,计算结果与精确解很接近。
This article discusses the feasibility of inter-city passenger-dedicated railways to share common tracks with urban rail transit from two aspects: the process of determining the minimum curve radius of railways and business organization.
从最小曲线半径的确定过程和运营组织两方面,对城际客运专线进入市区后能否与城市轨道共轨做了初步探讨。
An emulation computation and analysis was made by track coupled dynamics theory of the dynamic performance of trains passing through high speed and medium speed mixed passenger railways and high speed passenger and low speed freight mixed railways, providing technical support for determining minimum curve radius standard.
运用车辆轨道耦合动力学理论分别对列车动态通过高中速客车共线与高低速客货混跑的曲线轨道进行动力学性能指标的仿真计算、分析与评价 ,可作为论证制定最小曲线半径标准技术可行、经济合理的有力支
Research on Method to Confirm Minimum Radius of Circular Curve of Mountain Expressway;
山区高速公路圆曲线最小半径确定方法的研究
minimum digging radius at floor level
停机面最小挖掘半径
Study on the Minimum Value of Curve Radius in Shield Construction;
盾构法施工最小曲线半径取值的研究
The Ordering of the Connected Graphs with the Smallest Laplacian Spectral Radii;
连通图的最小Laplace谱半径的排序
The Research of Lowest Radius to High-Speed Railways with Ballastless Tracks;
无碴轨道高速铁路最小曲线半径研究
Mathematic calculation approach of minimum bending radius of mandrel based on Matlab
基于Matlab的芯轴最小弯曲半径计算
Lower and Upper Orientable Strong Radius and Diameter of Cartesian Product of Paths
路和路的笛卡尔积的最小和最大定向强半径和强直径(英文)
The Calculation of the Minimal Turning Radius and the Setting of the Fire Road Width
消防车道最小转弯半径以及通道宽度的计算
Study on Curve Radius Standard for Linear Metro
直线电机轮轨交通线路最小平曲线半径研究
Clustering Algorithm Based on Residual Energy and Least Adjacent Clustering Radius
基于剩余能量与最小邻近簇半径的成簇算法
Defining Minimum Base Radius of Plate Cam for Oscillating Follower by 0.618 Optimization Method
0.618法最优确定盘状摆动凸轮机构的最小基圆半径
radial gap of double-cone ring
双锥环的最大半径间隙
maximum reach at ground level
停机面最大挖掘半径
All sharp corners to have 0.01 Max. Radii.
所有尖角最大半径0.01
ALL INSIDE CORNERS TO BE .38 RADIUS MAX
所有内角最大半径0.38
DETERMING THE MINIMAL RADIUS OF BASE CIRCLE OF A CAM WITH TRANSLETINGA POINT FOLLOWER ACCORING TO THE ALLOWABLE PRESSURE ANGLE[α]
按许用压力角(α)确定直动从动件盘形凸轮机构凸轮最小基圆半径
A Study of Burr Fillister Sizes as well as the Minimum Fillet Radius of a Final Forging Die with the Finite Element Method
毛边槽尺寸与终锻模最小圆角半径的有限元法研究
Study on the Criteria for Minimum Radius of Curve and the Transition Curve for 160km/h Railway Track
时速160公里铁路最小曲线半径与缓和曲线设计标准的研究