查询词典 stroboscopic

Five novel torsion-mirror optical actuators including double-beam thickness differential structure with single torsional axis, double flexible folded-beam structure with single torsional axis, double-beam vertical torsion comb structure with single torsion axis, four-beam differential compound-micromirror structure with double torsional axis and the combined structure of the four basis forms above, are brought forward. All of these devices could be fabricated by the same silicon micromachining process we have developed. The deformation compensation design with local enhancement for the thin torsional beam which is the key structure of these devices is also put forward to improve the reliability. The three-dimension solid model and two-dimension reduced order model of the torsion-mirror optical actuator are established and then the numerical simulations for evaluating the device characteristics of the statics, dynamics, electrostatic field, mechanical and electrostatic coupling, fluid and solid coupling are carried out to optimize the structure design. Furthermore, three optical fibre clamping structures which could be integrated monolithicly are designed and analyzed to improve the optical coupling capability. 4. Three flexible process flows combined with bulk silicon micromachining and surface silicon micromachining are brought forward to fabricate these novel single-crystal silicon or polysilicon torsion-mirror optical actuators by using the same lithography masks for both SOI wafer and regular silicon wafer. A series of important process experiments are carried out to optimize the process parameters and the process flows. Some novel and typical process phenomena which occurred during the microfabrication are analyzed and then the corresponding solutions are put forward. 5. A MEMS dynamic testing system which exploit blur image synthetic technique, stroboscopic image matching technique, stroboscopic mirau microscopic interferometry technique and microscopic laser dopper vibrometer technique is set up to measure three-dimension and six-freedom micro motions of any MEMS devices with nanometer resolution.

在对硅微机械扭转镜光致动器的光机电特性系统地理论研究的基础上提出了硅微机械扭转镜光致动器的结构设计准则。3、提出了单轴双梁厚度差分结构、单轴双柔性折叠梁结构、单轴双梁垂直扭转梳齿结构、双轴四梁差动复合微镜结构以及以上四种基本结构组合后的衍生结构等五种工艺加工技术兼容的新型的硅微机械扭转镜光致动器，对器件关键结构薄厚度、高耐疲劳扭转梁进行了局部加强的变形补偿设计，建立了器件的三维实体模型以及两维降阶模型，对提出的新结构硅微机械扭转镜光致动器进行了系统的静力学、动力学、静电场、力电耦合和流体固体耦合的建模仿真与优化设计，同时设计并分析了三种可实现单芯片集成的弹性光纤定位夹紧结构。4、提出了组合体硅微加工技术与表面硅微加工技术、兼容同一套光刻版图、可分别基于SOI 晶片和普通Si 晶片、适应于制造提出的各种新结构单晶硅和多晶硅硅微机械扭转镜光致动器的三套柔性加工工艺流程，开展了一系列重要工艺步骤的单项工艺试验，对工艺流程与工艺参数进行了优化，针对加工过程中出现的具有普遍意义的典型工艺问题进行了讨论和分析，并提出了解决方法。5、创新性地将模糊图像合成技术、频闪图像匹配技术、频闪Mirau 显微干涉技术与显微激光多普勒测振技术有机结合，建立起了一套周期运动测量与瞬态运动测量相结合、单点运动测量与全视场运动测量相结合、满足不同MEMS 器件各种动态测试要求的集成的MEMS 三维六自由度微运动精密测量系统。

A newly developed magnifier offers a large viewing lens with good flicker-free light and no stroboscopic effects, providing a barrier of protection between the operator and blood samples in laboratories.

一种新开发的放大器提供了更大视野的透镜，配备了无闪烁的光源，没有频闪观测仪的影响，为实验室操作人员与血液样本之间提供了良好的保护屏障。

On top of the plate is mounted a lightning conductor, white stroboscopic anti collision warning light, a steady position light and a wind speed anemometer.

板顶部装有一个避雷装置，白色频闪观测仪防碰撞报警灯，一个稳固位置灯和一个风速记。

Advanced optical technology and high speed scanning animation technology, long life-span, low power consumption; showing graphics with the function of rotating, zooming, rolling, moving, 3D animation effect, stroboscopic action; can write word, picture, animation graphic, beam performance, and unique laser beam advertisement.

先进光控技术和高精度振镜扫描动画技术，寿命长、功耗低、图案具断笔、旋转、缩放、翻滚、移动、点渐绘、三维动画、频闪等效果、可做文字表演、动画表演、光束表演、激光广告等特有光束。

This system included s light micro-scope to magnify the image of the micro-structure and project the image of the CCD camera; froze the high speed motion station of micro-structure based on stroboscopic principle to get a serial of dynamic images; and used the optical algorithm based on label field and neighborhood optimization method to motion estimation for sequential images of micro-structures to obtain dynamic characteristics parameters.

系统包括：利用光学显微镜来实现微结构的放大，并将图像投影到CCD摄像机上；基于频闪成像原理来冻结微结构的高速运动状态，获取一系列动态图像序列；基于提出的标号场和邻域优化法相结合的光流算法对微结构的运动序列图像做运动估计，获取其重要动态特性参数。

The spray characteristics of CCSC system were measured and investigated by using stroboscopic photography.

应用闪光摄影法对伞帘喷雾燃烧系统的喷雾特性进行了测试研究。

The similarity of geometry structure of both gas jet and liquid spray was found by use of the stroboscopic photography experiment in diesel-type spray impingement.

用频闪摄影法对柴油机喷雾碰壁的实验研究发现，其喷雾碰壁后的几何形态和头部贯穿速度与汽相射流碰壁后的状态类似。

Computer micro-vision, Mirau microscopic interferometry, stroboscopic photography and laser Doppler vibrator are integrated into this platform. In-plane and out-of-plane periodic motion characteristics of micro-resonator are measured, and out-of-plane transient motion of micro-mirror is analyzed. In-plane displacement, motion phase and resonance frequency can be measured by integrating computer micro-vision with stroboscopic photography, and the repeatable accuracy of in-plane displacement is 30 nm.

实验结果表明，利用计算机微视觉和频闪成像技术能够实现微结构的平面位移、运动相位及谐振频率等周期运动参量的测试，位移的重复精度为30 nm；利用显微干涉和频闪成像技术可实现微结构的离面位移及表面扭曲等周期运动参量的测试，位移的重复精度为3 nm；激光多普勒测振技术具有在频域上对微结构瞬态运动进行分析的优点，是时域上周期运动测试的重要补充。

Out-of-plane displacement and tolerance can be measured by integrating Mirau microscopic interferometry with stroboscopic photography, and the repeatable accuracy of out-of-plane displacement is 3 nm. Laser Doppler vibrator has an advantage of analyzing the motion in frequency domain, and it is the complementarity of measuring periodic motion in time domain.

标 签 光学测量微结构动态特性计算机微视觉米劳显微干涉频闪成像激光多普勒测振 optical measurement micro-structure dynamic characteristics computer micro-vision Mirau microscopic interferometry stroboscopic photography laser Doppler vibrometer

By observing the movement of images and the speed of rotation and the stroboscopic flash of light there is a specific frequency, change the stroboscopic flash of light frequencies, the observation images will change.

所观测图像的运动规律与旋转物转速以及频闪光源的闪光频率存在着特定的关系，改变频闪光源的闪光频率，所观测图像会变化。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。