%0 Journal Article %A CHENG Rong %A PAN Yong-juan %A ZHOU Ming-hua %T Properties and applications of a Class of trigonometric polynomial curves %D 2010 %R 10.3778/j.issn.1002-8331.2010.07.012 %J Computer Engineering and Applications %P 39-43 %V 46 %N 7 %X The B-L(Bézier-Like) curves over the trigonometric function space Φ7=span{1,sint,cost,cos2t,sin3t,cos3t,sin4t,cos4t}and Φ8=span{1,sint,cost,sin2t,cos2t,sin3t,cos3t,sin4t,cos4t} are constructed,the explicit expressions of the B-L curves are presented.Then some properties and applications of this kind of curves are discussed.Cardioid,elliptic curves,circular arc,ellipsoid,sphere without rational form are precisely expressing,and circular helix is approximated by the B-L curves.Examples are given to illustrate the convenience and validity in model design. %U http://cea.ceaj.org/EN/10.3778/j.issn.1002-8331.2010.07.012