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- Effect of equidistant surface errors on parabolic shape accuracy 等距面误差对抛物面廓形精度的影响
- equidistant surface errors 等距面误差
- Using improved BP neural network, equidistant surface reconstruction of NURBS is proposed. 利用改进的BP神经网络构造三次有理B样条曲面等距面。
- In this paper,a automotive body surface measuring instruments with non-contact equidistant surface measuring method based on laser triangle measurement has been developed. 介绍了一种基于激光三角法的激光等距非接触测量车身曲面的装置。
- They put forward the concept of slant equidistant surface and its conesponding formulas, and introduce its application in the manufacture of standard impellers. 提出了斜等距曲面的概念及相应公式,并介绍它们在制造增压器用精密母轮中的应用。
- Obtaining the spectrum of Zernike polynomials is the key to fit the surface errors by Zernike polynomials correctly. 获得泽尼克多项式的频谱信息是正确利用该多项式进行误差拟合的关键。
- Directed at special surface machining, the paper offers the introduction of the concept of slant equidistant surface, the analysis of the properties and the establishment of mathematical models using conic tool to grind special surface. 针对异型曲面的加工问题,引入了斜等距曲面的概念,并对其性质进行了分析,建立了锥状刀具磨削异型曲面的数学模型。
- The effects on straightness measurement are analyzed for the cube-corner retroreflector with angle errors, surface errors, yaw, pitch and roll. 分析了角锥棱镜的制造角差、面形误差和测量过程中角锥棱镜的偏摆、俯仰、滚转对直线度测量的影响。
- In this paper, with the Discrete Fourier Transform description of elements group curved surface, two kind of curved surface error are defined. 本文在基本体群形状和工件形状的离散傅立叶变换描述的基础上,定义了不同类型的曲面误差;
- Aspheric lens is being applied more and more widely,surface error is an important quality issue,and surface testing method is also very important. 非球面镜片的应用越来越广泛,面形误差是影响非球面质量的重要指标,所采用的面形检测方法非常重要。
- According to the technical process of ion beam etching on Diffractive Optical Element (DOE), a distribution of surface error in ion beam etching was presented. 摘要针对衍射光学元件(DOE)的离子束刻蚀工艺,结合掩模套刻过程实例,本文提出了刻蚀误差面形分布的概念。
- A study of the effect of grinding wheel spindle eccentricity errors and perpendicularity errors on tooth surface errors is presented, aimed to find the quantitative relationship between them. 研究砂轮主轴偏心误差及垂直度误差对齿面误差的影响规律,目的是研究它们之间的定量关系。
- SLANT EQUIDISTANT SURFACE OF CYLINDER AND ITS PROPERTIES 柱面的斜等距曲面两个性质及证明
- Slant equidistant surface of tangent curve and its property 切线曲面的斜等距曲面及其性质
- The average power pattern of the Side-Fed Offset Cassegrain(SFOC) dual reflector antenna is analyzed,and the effect of the random surface error on radiation characteristics of the antenna is addressed. 以侧馈偏置卡塞格伦双反射面天线为对象;通过数值计算方法分析了该天线的平均功率方向图;研究了反射面随机表面误差对天线辐射特性的影响.
- The error value by error formula calculated is used which adjusts adjustment framework of machine, that can get purpose of decreasing surface error and guaranteeing surface precision of part. 并以误差公式计算出的误差值来调整机床的微调机构,可达到减少面形误差,进而保证面形精度的目的。
- The method was introduced in this paper by using the leveling-up equipment to control the ISA copper electrobath surface error 。It was proved to be effect by locale measuring and technics operating. 本文介绍了通过采用找平装置来控制ISA法铜电解槽槽面水平误差的方法,通过现场测量及工艺操作证明是行之有效的。
- Our house is equidistant from the two pubs in the village. 我们的房子离村中两家酒馆距离相等。
- Slant equidistant surface and its application to special surface machining 斜等距曲面及其在异形曲面加工中的应用
- In order to guarantee surface precision of using locus shaping method machining optical parts, the factors of fine grinding machine which affects surface error of part is theoretically analysed. 为了保证用轨迹成型法加工光学零件的面形精度,对精密磨削机床影响工件面形误差的因素进行了理论分析。