A general model for highway plan alignment design was introduced in this paper, which has the advantages of both the line method and curve method.
公路平面线形设计的通用模式是将传统的直线法和曲线法结合起来，兼有两者的优点。
This paper introduces the mathematical model for highway route alignment. This model can determine plan position of highway straight and curve by the control points.
详细介绍了用公路路线上控制点坐标进行公路直线和曲线平面位置定线的数学模型。
This paper analyzes the deficiency of the straight design method of highway alignment and puts forward the necessity of the researching curve design method.
分析了公路平面线形直线型设计法的不足，提出曲线型设计法研究的必要性。
A rational cubic spline curve to describe highway alignment is introduced.
提出一种有理三次样条曲线描述公路线形。
The intensity and position samples of the final-alignment signal are fitted with a cosine or sine curve, and then the series of peak points are derived from the model parameters.
利用余弦或正弦曲线对该精对准信号进行拟合，得到一系列的波峰点。
The fifth power algebraic transition curve is good in alignment of a highway and easy in application.
五次代数式缓和曲线在线型质量上较回旋线有较大提高，应用上也非常方便。
The fifth power algebraic transition curve is good in alignment of a highway and easy in application.
五次代数式缓和曲线在线型质量上较回旋线有较大提高，应用上也非常方便。
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