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- The principle of this method is to use Archimedes spiral to approaching ellipse. 该方法的实质是用阿基米德螺旋线去逼近离散椭圆。
- At first the antenna is an ultra?wideband double-armed Archimedes spiral antenna and fed by 50 ohm coaxial-cable. 文中首先设计了工作频带为1.;5~12GHz的平面阿基米德螺旋天线;其天线直径为80mm;为了使天线输出端阻抗与50?
- Two calculating methods of straight line and Archimedes spiral approximating involute are introduced. 介绍了用直线及阿基米德螺旋线逼近渐开线的两种方法。
- This paper produces a new way of grinding the hole of a helix flute Archimedes spiral hob: a bob is orientated in three tapers. 介绍了一种采用三圆推销定位磨削阿基米德螺线滚刀内孔的新方法,该方法避免了圆周齿距误差和螺旋槽导程误差的影响。
- This article deals specially with the determination of the, basic parameters of involute cylinder gears,Archimedes spiral worms and worm wheels when measuring them. 本文是对渐开线圆柱齿轮和阿基米德螺线蜗杆及蜗轮在测绘工作中如何确定其基本参数而进行的专题探讨.
- Principle of Archimedes spiral. 阿基米德螺线原理:
- We have obtained fast generation algorithms for ellipse, parabola, hyperbola, Archimedes spiral, logarithmic spiral, and probability curve arcs with increments and properly-chosen parameter equations. 本文采用增量法,选取适当的参数方程,得到了椭园(包括园)、抛物线、双曲线、阿基米德螺线、对数螺线以及概率曲线弧的快速生成算法。
- On the base of analyzing the ground of flow and structure of cyclone,a new type of cyclone of using Archimedes spiral structure was invented,and its structure properties were discussed. 根据旋风除尘器内的流场及结构分析,设计出一种采用阿基米得螺旋线结构的连续螺旋旋风除尘器,对其结构特点进行了分析。 该除尘器具有结构简单、体积小、低阻和高效的特性。
- This paper presents the basic construction and movement rules of the coordinator gyrorotor with reticle of Archimedes spiral reticule pattern, Also, it explains the principles and methods of dynamical balance to damp the vibration and forced nutation. 阐述了具有阿基米德螺旋线图案的位标器的基本原理及其运动规律,并说明这种陀螺转子的振动与绕动的平衡原理与方法。
- A research on Archimedes spiral cam mechanism 阿基米德螺线凸轮机构的研究
- archimedes spiral experimental method 阿基米德螺旋线实验法
- Creating the archimedean spiral geometry seems to be a big problem to me. 创建阿基米德螺旋几何似乎一大问题me.
- Study of Interpolation Algorithm Based on archimedes Spiral 阿基米德螺线的插补算法研究
- The Spherometer of Designed with the Principle of Archimedes Spiral 应用阿基米德螺线原理设计的球面曲率计
- A new-type planar Archimedean spiral antenna,the zigzag planar Archimedean spiral antenna,is presented. 对一种新型的平面阿基米德螺旋天线--锯齿状平面阿基米德螺旋天线进行了研究。
- A Method of Node Dividing When Using Archimedes Spiral to Approaching Ellipse 用阿基米德螺旋线逼近椭圆之节点划分方法
- The Numerical Calculation of Mixing for Archimedes Spiral Mixing Disc 阿基米德螺线式混炼盘混炼效果的数值计算
- Keywords archimedes spiral groove;flow rate control valve;regulative angle; 阿基米德螺线槽;流量控制阀;调节角度;
- With the plane Archimedean spiral antenna a calculation of the current on the antenna as well as its radiation is carried out and its frequency independence was verified. 并以平面阿基米德螺旋天线为例 ;计算了天线上的电流分布和辐射特性 ;验证了天线的频率无关特性 .
- Military budget continue to spiral. 军费预算继续上升。