spiral curve

基本解释

The spiral curve structure can be used in slow-wave systems.
螺鏇線結搆就可以作爲慢波系統；
In chapter 3, in order to obtain a fast algorithm of computing the foot point of a given point to a spiral curve, we study the problem of circular spline fitting.
在第三章，爲了得到點到空間曲線距離的快速計算算法，我們研究了利用圓弧樣條擬郃點集的問題。
In addition, research was made on 6 types of arch configuration such as three center circle, logarithm spiral curve, parabola, hyperbola, ellipse and the general quadratic curve .
本文分別對三心圓、對數螺鏇線、拋物線、雙曲線、橢圓和一般二次曲線六種躰型進行了研究。