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[期刊论文] 作者：CHENG Min,WANG Guojin,
来源：黑龙江科技学院学报 年份：2004
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
[期刊论文] 作者：PAN Yongjuan,WANG Guojin,
来源：自然科学进展 年份：2004
Constructing a convexity-preserving interpolating curve according to the given planar data points is a problem to be solved in computer aided geometric design (...
[期刊论文] 作者：Xu Huixia,Wang Guojin,
来源：自然科学进展（英文版） 年份：2004
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 th...
[期刊论文] 作者：XU Huixia,WANG Guojin,
来源：自然科学进展（英文版） 年份：2004
The function upgrade of computer aided design (CAD) system requested that the multiple product of B-spline functions should be represented as a linear combinati...
[期刊论文] 作者：CHENG Min,WANG Guojin,
来源：中国科学F辑 年份：2004
NURBS curve is one of the most commonly used tools in CAD systems and geometric modeling for its various specialties, which means that its shape is locally adju...
[期刊论文] 作者：ZHANG Jingqiao,WANG Guojin,
来源：自然科学进展（英文版） 年份：2004
An efficient algorithm for curve interpolation is proposed. The algorithm can produce a subdivision surface that can interpolate the predefined cubic B-spline c...
[期刊论文] 作者：Zhang Hongxin,WANG Guojin,
来源：自然科学进展 年份：2004
Based on the view of operator, a novel uniform subdivision construction method is proposed for free form curve and surface design. This method can give an appro...
[期刊论文] 作者：CHEN Dongren,WANG Guojin,
来源：自然科学进展 年份：2004
An algebraic surface can be defined by an implicit polynomial equation F(x,y,z)=0. In this paper, general characterizations of developable algebraic surfaces of...
[期刊论文] 作者：HU Qianqian,WANG Guojin,
来源：中国科学A辑（英文版） 年份：2004
Using algebraic and geometric methods, functional relationships between a point on a conic segment and its corresponding parameter are derived when the conic ma...
[期刊论文] 作者：ZHANG Renjiang,WANG Guojin,
来源：自然科学进展（英文版） 年份：2004
In computer aided geometric design, the degree reduction of the parameter curve is a key technique in data exchange and data compression. The various existing m...
[期刊论文] 作者：CHEN Dongren,WANG Guojin,
来源：自然科学进展 年份：2004
Developable surface plays an important role in engineering domains are common representation forms in a computer aided geometric function surface up to now. Gen...
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