According to the actual requirements of the curve realignment after the existing railway speed increasing,the traditional theory of involutes is abandoned and the coordinate measurement is used to directly realign curves.
针对既有铁路提速后曲线整正的实际要求,抛弃传统的渐伸线原理,利用测点坐标直接进行曲线整正。
The mathematical model for railway curve adjustment is derived, and the corresponding formulas for curve realignment are given.
在研究铁路线形特点和曲线整正原则的基础上,探讨以既有铁路线实测坐标为观测值,运用最小二乘平差方法进行曲线整正计算的方法。
Existing railway curve realignment is an important part of existing railway reconstruction design,and the result directly affects the design quality,project cost and operation safety.
既有铁路曲线整正是既有线改建设计中的重要部分,且结果直接影响最终设计质量和运营安全。
This paper presents the optimum design principle and method of the existing railway curve realinement.
提出具有线性约束和非线性目标函数的既有铁路曲线整正最优化设计原理和方法,使得铁路曲线整正趋向于更精确、更合理、更科学。
Existing Railway Curve Realignment Constrained Optimization Algorithm Research Based on Coordinates
基于坐标的既有铁路曲线整正约束优化算法研究
THE POSITIVE INTEGRAL POINTS ON THE ELLIPTIC CURVE y~2=px(x~2+2)
椭圆曲线y~2=px(x~2+2)的正整数点
Three-point press straightening analysis of aircraft monolithic component based on its rebound curve
基于回弹曲线的航空整体结构件三点压弯校正分析
instantaneous voltage regulation characteristic
瞬时电压调整特性曲线
gamma ray correction
自然伽马测井曲线校正
area under normal probability curve
正态概率曲线下的面积
a wave whose waveform resembles a sine curve.
波形类似正弦曲线的波。
A curve or surface that is tangent to every one of a family of curves or surfaces.
包络线，包络面一条曲线或一个曲面，与一组曲线或曲面中的每一曲线或曲面保持正切
Conditions for Determining the Regularity of Bézier Curve and Surface
bézierb>曲线b>曲面正则性的判别条件
A Method for the Modification of Curves and Surfaces with Rational Bezier;
一类基于有理Bezier的曲线曲面修正方法
adjustment of alignment-coil current
校正线圈,电流的调整
Investigation of a Simplified Approach for the Smoothness Correction and Lofting of a Curve
曲线圆顺度拨正和曲线放样方法简化的探讨
Modelling and Reshaping Spline Curves and Surfaces;
样条曲线曲面的造型与形状调整的研究
Research on Minor Adjustment of Freeform Curves & Surfaces and Its Applications;
自由曲线曲面微调整技术及其应用研究
Research and Application of Whole Fairing and Approximation Algorithm of NURBS Curve;
NURBS曲线整体光顺逼近算法研究与应用
Michanical Study on Leveling Spee s Curve with Reverse-curve Arch;
摇椅形弓丝整平Spee曲线的力学研究
Nonparametric Depiction of China s Price Adjustment Curve:1980-2006;
中国价格调整曲线的非参数刻画:1980-2006
The global and local fairing for the NURBS curve were implemented through approximation.
第二步,通过曲线逼近实现NURBS曲线的整体光顺和局部光顺.