就像收音机天线可以与特定的声波共振并吸收它们一样,纳米结构光学共振也可以与可见的红外光并吸收它们。
Just as a radio antenna will resonate with and absorb certain radio waves, nanostructured optical antennas can resonate with and absorb visible and infrared light.
排在榜单三甲位置的发明都是医学领域的重大发明或发现。紧随X光机之后的是盘尼西林(青霉素)的发明,以及DNA双螺旋结构的发现。
The firstthree positions were filled by medical inventions or discoveries,the X-ray machine being followed by the discoveries of penicillinand the DNA double helix structure。
介绍了一种基于结构光条法原理,运用CCD摄像机、线激光光源和计算机图像采集系统与软件等,研制出机车车辆轮对外形磨耗自动检测系统。
The system is on the basis of principle of the structural light strip method, with the application of CCD pickup camera, linear laser light source, the computer image collecting and the software, etc.
结合结构光传感器和立体视觉传感器的优点,研究了基于单摄像机虚拟立体视觉传感器的方法。
Combining the advantages of structured light sensor and stereo vision sensor, a method based on single camera simulating stereo vision sensor has been studied.
本文的研究工作有以下几个方面:设计PFM光发射机的传输系统结构。
The structure of the transmission system in the PFM optic transmitter is designed.
结构光测距技术的主要缺点是无法获取摄像机看不到或光源照不到的点的数据。为此,采用冗余多传感器构成无影视觉坐标测量系统。
The main shortcoming of range finding technique with structural light is that it is unable to obtain the data of points which are sightless by pickup camera or can't be illuminated by light source.
针对齿轮的脉冲电化学光整加工的实际特点 ,设计了一套基于上下位机结构的微机控制系统。
This paper designs a microcomputer control system based of upper and lower structure for pulse electrochemical polishing gear process.
传统的结构光三维测量系统对摄像机和投影仪的摆放有严格的要求或者标定过程较为复杂。
Traditionally the position between camera and projector is limited in the 3d measurement system based on structured light, or the process of system's calibration is very complicated.
介绍了一种工作于三坐标测量机(CMM)上的线结构光三维视觉测头,实现自由曲面的快速检测。
For measuring free form surface, a line structured light based 3d vision probe which works on CMM is proposed.
该系统是一个典型的光、机、电、算集成的MEMS测试系统,已应用于MEMS微结构几何尺寸和动态特性等的测量。
This is a typical optical, mechanical, electronic and calculated integral system and can be applied to the geometry and dynamic measurement of MEMS microstructure.
该款高光机采用全密封防护结构。有效防止灰尘等杂物无法进入精密传动部件,使其经久耐用,封闭钣金上方留有除尘孔口,方便安装除尘及除味装置;
The machine tool is in all-sealed protection structure which can effectively prevent dust and other sundries from entering the precise transmission parts and make it durable. Dust.
介绍全钢载重子午线轮胎X光机的结构组成、工作原理、常见故障和定期维护方法。
The structure, mechanism, common failure and regular maintenance of a X ray inspection line for all steel radial truck tire are introduced.
结合单平面模板的摄像机标定,给出了线结构光平面的标定步骤,并对其误差进行了概要分析。
Lastly, the steps of structured-light plane calibration and general error analyses are provided, according to the single-plane calibration of camera.
根据线结构光视觉测头的光学成像特性,论证并建立了基于透视变换的摄像机及物像关系模型。
A camera model based on perspective transformation is analyzed and established according to optical properties of the laser vision probe.
设计实例表明,采用这个方法可以在不增加光学和机械结构复杂度的情况下得到良好的光机被动无热化效果。
As shown by the example, optical and mechanical athermal compensation is obtained without adding the complexity of optical and mechanical structures.
根据线结构光传感器的特点,提出了一种线结构光传感器的快速标定方法,利用摄像机投影中心及光条在摄像机像面上的信息,仅需一共面靶标即可实现摄像机与光平面之间位置参数的标定。
With the coplanar reference target, the spacial pose between camera and optical plane can be calibrated by using the cameras projective center and the lights information in the cameras image surface.
根据线结构光传感器的特点,提出了一种线结构光传感器的快速标定方法,利用摄像机投影中心及光条在摄像机像面上的信息,仅需一共面靶标即可实现摄像机与光平面之间位置参数的标定。
With the coplanar reference target, the spacial pose between camera and optical plane can be calibrated by using the cameras projective center and the lights information in the cameras image surface.
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