measured profile

Having measured the real wheel wear shape of DF_ ( 8B) locomotive, ST_ ( 2G) worn profile wheel tread model applying to 25 t axil load is developed.

根据对25t轴重的DF8B型机车车轮磨耗形状的实测，设计并试制了适用于该轴重的磨耗形踏面（ST2G型）样板。

Using the model the air-sea fluxes of momentum, sensible heat and vapour can be calculated from measured profile data.

依此模式，可由实测风温湿廓线数据计算海－气动量、感热和水汽通量。

The measured axial potential profile shows that the axisymmetric negative plasma potential tandem mirror confinement configuration has been established;

测得的等离子体电位轴向分布表明，该装置中能够建立起负电位轴对称串级镜约束位形；

In this article, the measured profile is expressed by three cubed spline function, a precise mathematical model of evaluation is built and an approaching method for evaluating the profile error of the random plane curve is proposed.

采用三次样条函数拟合出被测物体的轮廓曲线，并建立了评定线轮廓度误差的精确数学模型，提出一种用逐次逼近思想来评定平面自由曲线的轮廓度误差的方法。

The method of adjusting the pose of measured profile with theoretical profile, according to different kinds of parts, integrated feature points or ellipse of inertia for realizing pre-position should be used. 3.

研究了被测轮廓与理论轮廓位姿调整方法，针对不同零件分别采用综合特征点或惯量椭圆实现预定位。

The approaching method is one kind of method which can conform to the least zone principle best. While obtains the shape error, the position error between measured profile and its theory profile can obtained.

该方法是一种符合最小区域原则的轮廓度误差评定方法，并且在得到形状误差的同时，可以得到被测轮廓与理论轮廓之间的位置误差。

ICT can clearly, directly and accurately show us the structure, density change, character of a absence, position and size of measured profile by computer image.

工业CT能以计算机图象的形式，清晰、直观、准确地呈现被测物体断面内部的结构、密度变化以及缺陷的性质、位置及大小。

Aim To determine the measured profile of a wheel in railway vehicle. Methods So-called piecewise curve-fitting method of the third derivative continuity is employed.

目的拟合列车车轮踏面的实恻轮廓曲线，方法采用三阶导数连续的分段曲线拟合法。