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- In order to represent Archimedes helix with control polygon, we construct Bernstein-like basis. 为了用控制多边形的方法表示阿基米德螺线,本文构造了拟Bernstein基。
- Firstly, select cumulative chord length parameterization and computing the knots of B-spline.Secondly, determine control vertexes and control polygon. 采用该方法,获得观测区间外的极值点参与经验模态分解,可以有效地控制边界误差。
- These methods can calculate a group of initial weights of NURBS automatically according to the shape of the control polygon and the shape\|constraints of the curves. 根据NURBS控制多边形的形状以及曲线的形状约束条件,自动计算出NURBS曲线的一组初始权因子。
- Industry rarely thrives under government control. 在政府控制之下工业很少会发达。
- Those rebellious teenagers are hard to control. 那些反叛的青少年很难管教。
- Pollution control has cleared the air. 污染管制已净化了空气。
- An ASCII control character, end of medium. 一种ASCII码控制字符,媒体结束符。
- The firemen were unable to control the blaze. 消防队员无法控制这场大火。
- Signals control each section of the railway track. 各种信号控制着铁路轨道的每个部分。
- Inflation has got out of control. 通货膨胀失去了控制。
- The lorry ran down the hill out of control. 卡车失去控制直往山下冲去。
- The model plane got out of control and crashed. 模型飞机失控坠落下来。
- A TECHNIQUE OF DEFINING CUBIC RATIONAL B-SPLIMES CURVES WITH PARAMETER THROUGH COMPUTING VERTEXES OF CONTROL POLYGON AND THE EXAMPLE ABOUT ITS APPLICATION IN CAGD 参数有理三次B样条曲线的一种反求顶点技术及在CAGD中的应用举例
- He has little control over his emotions. 他控制不住自己的感情。
- I lost control of myself and hit him. 我控制不住自己,打了他。
- I lost control of myself and hit Tom. 我控制不住自己,打了汤姆。
- The bomb was exploded by remote control. 这颗炸弹是遥控引爆的。
- The government's control over the newspapers has loosened in recent years. 近年来政府对报纸的控制已经变松了。
- Enemy forces are in control of the city. 敌军控制著这座城市。
- A clamor in the press for pollution control. 在报纸上对污染控制的呼吁