1) laser auto-collimation
激光自准直
1.
Based on the theory of perspective projection transformation,a new modeling method for laser auto-collimation angle measurement system is proposed.
基于透视投影变换,提出了一种新的激光自准直测角系统建模方法,通过对系统安装误差因素和模型外参数的仿真分析,提出了一种带有内外参数的激光自准直简化测量模型,为激光自准直测角系统建模、标定等问题的解决提供了一个有效的理论依据,具有一定的理论意义和工程实际应用价值。
2) laser autocollimation
激光自准直仪
1.
It is the procedure of the method that the fiducial barrel axis is established by the laser autocollimation with the precision of 1″ and the silicon bell of four quadrants,the angle included between the cradle horizontal platform and the fiducial barrel axis of the rocket and the inclined aspect are measured and displayed by the electro-gradiente.
采用1″激光自准直仪和四象限硅光电池确定基准管轴线,由2″电子水平仪测量并显示基准管轴线与摇架水平台的夹角值和倾斜方向,该测量值可实时传送给计算机处理。
3) laser collimation system
激光自准直系统
1.
In order to improve the measuring and tracking precision of photoelectric theodolite,a set of CCD laser collimation system is used for measuring the deformation of the platform in real time.
为了提高经纬仪的测量和跟踪精度,采用了一种CCD激光自准直系统对光电经纬仪车载平台变形进行实时测量;对测量系统的精度进行了分析,其精度很大程度上取决于CCD图像传感器输出信号的精度;研究了影响CCD精度的各种因素,并对CCD图像进行消噪处理,结果表明CCD图像的质量明显提高,从而提高了CCD激光自准直系统的测量精度。
4) CCD laser autocollimator
激光CCD自准直仪
1.
To meet the requirements for measuring accuracy and real-time performance of CCD laser autocollimators in fields of high-accuracy metrology and aiming and tracing system,a fast and precise center location method for circle target of CCD laser autocollimator is proposed.
为满足高精度测量和瞄准跟踪系统中对激光CCD自准直仪的测量精度和实时性的要求,提出一种快速高精度激光CCD自准直仪圆目标中心的定位方法。
2.
The specific characteristics of the circle target edge of CCD laser autocollimators can be fully extracted, the noises in images can be efficiently diminished by using the rot.
为满足高精度计量和方位瞄准跟踪系统的发展对激光CCD自准直仪测量精度的要求,提出一种基于正交傅里叶-梅林矩的激光CCD自准直仪圆目标中心抗噪声精确定位方法。
5) Laser auto-collimation measurement
激光自准直测量
6) laser collimation
激光准直
1.
Study of large diameter measurement system with laser collimation;
基于激光准直瞄准的大直径测量系统的研究
2.
In order to realize synthetic coaxiality measurement for position deviations and angle deviations simultaneously,a laser beam-spot receiver system consisting of a receiver lens,beam splitter prisms,and CCD based on laser collimation was established.
为了实现在同轴度测量中平行偏差(平偏)和倾斜偏差(角偏)两个量的同时测量,建立了基于激光准直性的光斑接收系统。
3.
Based on the principle and technology of laser collimation and optoelectronic inspection, an optoelectronic measuring method is presented to measure the straightness of the bore with a diameter of 25 mm by using the quadrant detection method, technique of laser collimation, optoelectronic detection, precision machine, servocontrol and computer for reference.
基于激光准直和光电探测原理与技术,并借鉴象限探测法、精密机械、伺服控制技术和计算机技术研制了一种用于Φ25mm火炮身管直线度的光电测量系统。
补充资料：激光准直仪
激光准直仪
laser collimator
iiguang Zhunzhiyi激光准直仪(laser Collimator)利用激光束标定直线的仪器。通常由激光发射系统和光电检侧系统组成。其原理是:利用激光的方向性好、发散角小、亮度强等特点，通过望远镜作定向发射，在空间形成一条光束作为准直的墓准线。分为激光经纬仪准直和波带板激光准直。激光经纬仪准直，由望远镜发射器和光电检测器(光电接收靶)组成。激光通过望远镜发射，调节焦距使光束能在接收靶上形成较小的光斑，在需要准直的点上用光电检测器观测光斑能量中心，以测定各点偏离基准线的偏差值。激光束受本身的漂移和大气条件的影响，准直精度约为长度的10一5一10一“。用于军用坑道和飞机洞库等地下工程开挖、管道敷设、建筑物施工等。波带板激光准直仪，由激光器点光源、波带板装置与光电接收靶组成。测量时，在基准线两端点上分别安置激光器和接收靶，在中间需要准直的点上安置波带板，激光器l掖光源发射出一束激光，照射到波带板，在接收处由于光干涉作用聚焦形成亮点或亮十字线。根据光的衍射原理，激光发射中心、波带板中心及成像光斑中心将构成一条直线。三点准直克服了漂移，能提高准直精度，若让激光束穿过真空管道，还可克服大气折射影响，准直精度达长度的10一7。用于军事工程长距离精密准直测量，例如导弹发射用的火箭橇轨道、高能粒子对撞机直线加速器、大型机械设备轴线安装及建筑物变形观测等。 (于来法)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条