English translation for "弦长"
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- chord length
chordal distance
length of chord
Related Translations:
平均弦: average chordmean chord 弦弹性模量: chord modulus of elasticity
- Example Sentences:
| 1. | The algorithm is presented , and its feasibility is verified mathematically , with which a useful technique is developed to distinguish sharp corners from rounded corners
具体给出了一种基于精化曲线累加弦长的角点检测方法，并对其可行性进行数学论证，同时提出了一种区别圆角和尖角的实用技术。 | | 2. | 3 zhang c , cheng f , miura k . a method for determing knots in parametric curve interpolation . cagd , 1998 , 15 : 399 - 416 . 4 fritsch f n , carlson r e . monotone piecewise cubic interpolation
文章以四组有代表性的数据为实例，通过定义节点用样条函数方法构造三次参数样条曲线，将新方法与向心参数化法修整弦长参数化法和二次精度方法进行了比较。 | | 3. | To investigate the aerodynamic design ideas and concrete methods of high performance low pressure turbine ( lpt ) at low reynolds number condition , a new lpt of high load , large chord and proper velocity distribution was designed
摘要为了探索高空低雷诺数情况下高性能低压涡轮部件的气动设计思路和设计方法，通过采用高负荷、大弦长的叶片设计和选择恰当的叶片表面速度分布形式设计了一台新低压涡轮。 | | 4. | Corner detection based on accumulative chord length is invariant to rotation transformations , while the implicitly refining strategy of digital curves can improve computational precision and enhance the reliability of corner detection significantly
摘要提出基于曲线累加弦长来检测角点，可以使得检测结果具有旋转不变性，隐式精化曲线策略可以显著改善角点检测算法的计算精度，从而增强角点检测结果的可靠性。 | | 5. | Systemic measure scheme is designed on the basis of product line structure and every component of measuring system is specified . secondly , tube product shape imitating , rolling imitating of on - line tube product , measuring the chord length imitating with ccd and dimension measure arithmetic - circle least square estimation are finished . lastly , according to mentioned dimension measuring method , imitating operation and the result of imitating operation are emphatically analyzed
文章首先介绍了管状产品的生产线结构，根据生产线结构设计了系统检测方案，并详细说明了检测系统各部分的组成；其次对管状产品形状仿真、管状产品在生产线上滚动仿真、线阵ccd检测弦长仿真、尺寸检测算法? ?圆的最小二乘法进行了研究；最后重点对所提出的尺寸检测方法进行仿真计算并对仿真计算结果进行分析。 | | 6. | The mendable canny operator based on the linear interpolation is used to pick up the edge of the pointer , the pointers ’ instructive direction is gotten via the circumference chord length detection method proposed by the article , then according to the central angle of pointer relative to the benchmark and conjunctive relation , the right reading is received the database information management system realizes the consumers ’ water fee management
利用基于线性插值的canny算子提取边缘,通过本课题提出的圆周弦长灰度检测法得到指针的指示方向,进而依据指针相对于基准的圆心角和关联关系正确读数。数据库信息管理系统实现对用户用水信息的管理,主要功能分三大模块:一 | | 7. | Several key techniques of carving and milling machine cnc system are deeply studied they include : the transformation , data rebuild and interface design of huge volume nc program produced by cam ; the algorithm of cubic parametric spline pre _ interpolation and high speed real time interpolation in the cnc system , which . will gain a much higher surface precision and cutting speed ; methodology and algorithm of movement velocity acceleration control on a real time forecast _ and _ prejudge basis is designed . therefore , a smooth movement is insured . the shake and noise problem caused by non _ uniform pules for driving stepping or servo motor is solved by an improving algorithm to generate uniform pules
同时，本文对基于统一的pc平台的雕铣机数控系统中的几项关键技术进行了深入的研究，包括： cam生成加工程序的传送、接收、读取及其加工链表的生成和实时重构；对cam生成的离散数据进行三次参数样条插值和基于累加弦长的三次参数样条插补控制，保证加工工件表面的精度和光顺性；设计具有“前瞻”功能的自动升降速控制方法，保证加工过程的平稳性；通过脉冲均匀化，有效地解决加工过程中因为脉冲不均匀而引起的震动问题。 | | 8. | Based on the kinematical design criterion of equi - chord percent ratio and spatial rigid body guiding mechanism , three theoretical design methods of arc track , non - arc track , and helical track are proposed in this thesis , meanwhile , different design methods about prime flap and sub - flap driving mechanisms are completed . three cases of different three - gaps - fowler - flap tracks are designed
对后缘三缝富勒襟翼工作时的3个关键位置，按照“等弦长百分比”运动的设计准则和空间刚体引导机构的设计思路，提出了圆弧轨道、非圆弧轨道和螺旋线轨道等3种空间位置引导轨道的设计原理，并分别给出主襟翼和子襟翼驱动机构的不同设计方法。 |
- Similar Words：
- "弦拨乐器" English translation, "弦材" English translation, "弦彩色调合" English translation, "弦槽光栅" English translation, "弦侧顶板" English translation, "弦长, 扁簧弦长" English translation, "弦长；弦长度" English translation, "弦长度" English translation, "弦长公差" English translation, "弦长偏差" English translation
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