The microdeformation of green sand sample surface is studicd, with the computer process-ing system and the microdeformation measuring instrument made by the authors.
采用自行研制的再紧实变形测试仪及计算机处理系统，对砂样表面微变形进行了研究；导出了在恒定载荷下砂样表面微变形的计算公式，表面微变形的研究为铸型表面性能的测试与控制提供了依据。
According to the first principles,the lattice structure,elasticity and electronic properties of three kinds of chromites spinel subject to slight structural variation are studied by the pseudowaves plane(PWP) approach based on density functional theory(DFT) and generalized gradient approximation(GGA).
根据第一原理,运用密度泛函(DFT)赝势平面波方法(PWP)和广义梯度近似(GGA),研究了结构微变下的三种铁铬尖晶石晶体模型的晶格结构、弹性及电子特性,并将所得结果与已有的实验值进行了比较。
Study of the forward displacement for stewart platform with 6-DOF-parallel robot based on differential analysis;
针对对称结构的六自由度摇摆台的微变动力学位置正解算法
Simulation and comparison of several segmented micro deformable mirrors;
几种分立式微变形镜的性能模拟与比较
Shape functions were used to describe the surfaces of the micro def ormable mirrors in working state,and four kinds of micro deformable mirrors wit h different arrays were simulated in aberrated wavefronts correction.
采用形状函数法描述变形镜校正时的曲面,从适配误差、Strehl比、加工工艺性三个方面比较了4种不同单元排列方式的微变形镜。
A system-level behavioral model of segmented piston-like micro deformable mirrors was accomplished by utilizing our own-developed integrated design platform for MEMS CAD.
利用实验室自主研发的集成设计平台,搭建了分立活塞式MEMS微变形镜的系统级行为模型,并对其有效性和准确性进行了验证;在此基础上完成了微变形镜的结构设计,并由仿真得到了结构的性能参数。
In order to solve the problem of relay protection failure for induction motor, we put forward the method of stator winding small fault detecting based on wavelet transform.
对电动机的继电保护中存在电动机微变故障保护失效的问题,提出了基于小波分析的定子绕组微变故障检测方法。
The principle of micro-zooming is analyzed in the spatial domain.
从空间域的角度分析了微变焦法的原理,微变焦过程可等效为改变每个光敏元所对应物辐射率分布区域的位置和大小,由此建立微变焦过程的空域模型为一个线性方程组,由该模型可描述观察图像和目标高分辨率图像之间的关系,并通过求解该方程组得到目标图像。
This paper points out the bott le neck the research of traditional deformable mirror faced and lists some advantag es of micro deformable mirror based MEMS technology.
指出了传统变形镜研究所面临的瓶颈,以及采用MEMS技术研究微变形镜的优点。
Fitting capabilities of rectangular array and hexagonal array segmented micro deformable mirrors on the basis of micorelectromechanical system technology are analyzed in terms of the characteristics of the mirror shape.
针对基于微型机电系统技术的分立式微变形镜,从镜面面形特点出发分析了方形和蜂窝形阵列变形镜适配能力,并利用ZEMAX软件建立畸变波前和变形镜模型,仿真分析两种分立式微变形镜的校正能力。
In order to reduce the cost and shorten the design cycle, accurate and efficient system level modeling of micro deformable mirror involving optical phase modulation and mechanical and electrostatic coupling would inv.
微型自适应光学系统在天文观测、激光武器和现代医学高分辨率成像等领域有着重要的应用前景,基于MEMS技术的微变形镜是微型自适应光学系统的核心器件,涉及光相位调制、机电耦合等诸多方面的研究。