there does not exist any paper in the open literature on the continuity condition of CB-spline curves and surfaces,we now present such a paper.In this paper,we first present condition of C-B-spline curves based on the analysis of C-B-spline basis functions and terminal properties.Then,the...
We first propose a sufficient and necessary condition of curvature continuity at the pole. Then, we present constructive methods for the two key problems respectively: how to construct a polar NURBS surface with curvature continuity and how to reform an ordinary polar NURBS surface to curvature ...
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If only the weakest, necessary condition is satisfied, we show that the second weak derivatives remain integrable to a certain power less than two. 展开 DOI: http://dx.doi.org/ 被引量: 2 年份: 2013 收藏 引用 批量引用 报错 分享
Eq. (7) is viewed as two parts: the G2-continuity condition for skeleton 8 and for radius 9(8){c(α3)=c¯(0)c′(α3)=α1c¯′(0)c″(0)=α12c¯″(0)(9){r(α3)=r¯(0)r′(α3)=α2r¯′(0)r″(0)=α22r¯″(0) c(t) is the skeleton of 〈B〉(t)...
Most participants (70.9%) had at least one underlying chronic condition. Figure 1 illustrates the distri- bution of the main chronic conditions (those with a preva- lence of over 5%). The most frequent underlying illnesses were hyperlipidemia (39.8%), hypertension (27.8%), dia- betes (14.3%...
chosen for the axial kinematic matching condition; here, results indicate that continuity of displacement should be retained when a perforated screen is ... R Kirby,FD Denia - 《Journal of the Acoustical Society of America》 被引量: 68发表: 2007年 Non‐matching mesh gluing by meshless interpola...
The PDCCH can be transmitted using one or more CCEs, depending on the size of the downlink control information (DCI) and the channel condition. There can be four or more different PDCCH formats defined in LTE with different numbers of CCEs (e.g., aggregation level, L=1, 2, 4, or 8)...
The PDCCH can be transmitted using one or more CCEs, depending on the size of the downlink control information (DCI) and the channel condition. There can be four or more different PDCCH formats defined in LTE with different numbers of CCEs (e.g., aggregation level, L=1, 2, 4, or 8)...
The parameters in the description of the spline curve can be used to modify the shape of the curve, locally and globally. It is observed that under certain condition the interpolant preserves the convexity property of data set. We have discussed the constraints forrational cubic spline interpolant...