与给定多边形相切的一类闭三角多项式曲线  

A closed trigonometric polynomial curve with given tangent polygon

作　　者：谢晓勇[1] 刘晓东[1] 胡林玲[1] 李伟[1] 

机构地区：[1]深圳信息职业技术学院软件工程系,深圳518029

出　　处：《深圳信息职业技术学院学报》2010年第2期26-29,共4页Journal of Shenzhen Institute of Information Technology

基　　金：深圳信息职业技术学院青年自然科学基金项目(QN-08015)

摘　　要：T-B样条基函数是具有B样条基函数性质的三角基函数。基于T-B样条基函数,构造了一类与给定多边形相切的闭三角多项式曲线,逼近效果好,计算量小,且编程统一,实验表明,具有较好的应用效果。T-B spline is triangular spline with properties of B-spline.Based on T-B spline,a closed trigonometric polynomial curve is constructed with given tangent polygon.This curve features many advantages such as fine approximation,small amount of calculation,and a unified program.It is also tested and approved by application.

关 键 词：T-B样条 三角多项式曲线 相切 

分 类 号：O174[理学—数学]