B-SPLINE

作品数：246被引量：414H指数：10
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相关领域：自动化与计算机技术更多>>
相关作者：史庭云郑康平姜虹王小椿吴坚更多>>
相关机构：武汉大学哈尔滨工业大学中国科学院北京理工大学更多>>
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相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家教育部博士点基金更多>>
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  • 期刊=Progress in Natural Science:Materials Internationalx
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Hodograph computation and bound estimation for rational B-spline curves
《Progress in Natural Science:Materials International》2007年第8期988-992,共5页Xu Huixia Wang Guojin 
Supported by the National Program on Key Basic Research Projects (Grant No.2004CB719400);National Natural Science Foundation of China (Grant Nos.60673031,60333010)
It is necessary to compute the derivative and estimate the bound of rational B-spline curves in design system, which has not been studied to date. To improve the function of computer aided design （CAD） system, and t...
关键词：computer aided design （CAD） rational B-spline discrete B-spline hodograph bound of derivative distance between two points. 
Trigonometric polynomial B-spline with shape parameter被引量：10
《Progress in Natural Science:Materials International》2004年第11期1023-1026,共4页WANGWentao WANGGuozhao 
theNationalNaturalScienceFoundationofChina (GrantNo .10 3 71110 )andtheMajorStateBasicResearchDevelopmentProgramofChina (GrantNo .G2 0 0 2CB12 10 1)
The basis function of n order trigonometric polynomial B-spline with shape parameter is constructed by an integral approach. The shape of the constructed curve can be adjusted by changing the shape parameter and it ha...
关键词：trigonometric polynomial B-spline with shape parameter basis function CAGD. 
Curve interpolation based on Catmull-Clark subdivision scheme被引量：3
《Progress in Natural Science:Materials International》2003年第2期142-148,共7页ZHANG Jingqiao and WANG Guojin(State Key Laboratory of CAD&CG, Institute of Computer Images and Graphics, Zhejiang University, Hangzhou 310027, China) 
Supported by the National Natural Science Foundation of China (Grant No. 60173034);the Major State Basic Research Development Program of China (Gtant No. G1998030600)
An efficient algorithm for curve interpolation is proposed. The algorithm can produce a subdivision surface that can interpolate the predefined cubic B-spline curves by applying the Catmull-Clark scheme to a polygonal...
关键词：curve interpolation B-SPLINE subdivision scheme. 
Quadratic zeeman effect in hydrogen rydberg states by using B-spline basis set
《Progress in Natural Science:Materials International》1995年第5期113-117,共5页饶建国 李白文 
Project supported by the National Natural Science Foundation of China
The system of hydrogen atom in uniform magnetic fields has drawn considerable attention for the reasons that (ⅰ) this system belongs to the simplest nonseparable sys-tems that are physically realizable; (ⅱ) it is on...
关键词：HYDROGEN ATOM B-SPLINE basis QUADRATIC ZEEMAN effect PARITY chaos. 
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