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- Because two area CCDs are adapted in the system, it can orientate the space spot of laser spot center. 该系统采用双面阵CCD，可对激光光斑中心表示的空间点进行定位。
- For the precise location of laser spot center on the complex target,a method based on residual pruning with geometric feature constraints is proposed. 为满足复杂靶标背景下激光光斑形心的高精度定位要求,提出了一种基于几何特征约束残差修剪的定位方法。
- The coaxiality is computed from the measured coordinates of laser spot center and measured circumference data in several sections of holes. 同轴度由多个截面的光斑中心坐标值和圆周采样数据按一定的方法计算。
- In the paper the algorithm of calculating parameters, the method of structure layout, and the way of mounting linear CCD on laser spot source probe are analyzed at all details. 本文详细分析了点光源激光测头设计参数计算及结构布局方法，线阵ccd器件安装方式。
- The laser spot of the upright incidence to train wheel is imaged on CCD.While the train wheels are frayed, the image of spot will take place displacement. 激光束垂直入射到火车车轮上,再用透镜将火车车轮上的激光光斑成像到CCD上,当火车车轮产生磨损时,CCD上激光光斑的像也将发生位移。
- In the software, the display of laser spot profile function realizes 3D visualization and pseudo colorization of the laser spot and its rotatable display, with the algorithm of geometry element triangle strip certosina in OpenGL. 其中,激光光斑轮廓的显示采用了OpenGL 库函数中的三角形条带几何图元拼接曲面算法,实现了对激光光斑的三维伪彩化可旋转显示,以及用户自定义剖切点轮廓线显示;
- We find the femtosecond laser induced microripple beside the focused femtosecond laser spot and along the movement direction of the laser spot on polydimethylsiloxane (PDMS) surface. 本文发现了飞秒激光在PDMS表面加工的线条边沿有微波纹结构。
- In certain range of defocusing distance, if laser intensity is high enough, the expansion of irradiated area by laser beam can make the radial keyhole size synchronously increase with laser spot. 离焦量在一定的范围内,在足够高的激光能量密度下,激光辐照范围的增大使得小孔径向尺寸与激光光斑同步变化。
- Using the transparence CD, PSD can detect the displacement of laser spot between non-placing and placing the CD, and it can be used to calculate the parallelism between optical head and spindle motor. 考虑在主轴上放置透明盘片,用PSD测量位移子系统测出放置透明盘片前后的光斑移动距离,就可以计算出光头与主轴马达间的平行度。
- With a CCD camera and a frame grabber to capture the laser spot, the digital image is transferred to special software for further processing, the amount of the laser spot drift can be achieved. 它采用CCD摄像头和图像采集卡采集激光器输出光斑，通过专门软件对数字图像进行处理，得出光斑漂移的大小；
- Research of laser spot center space orientation 激光光斑中心空间定位方法的研究
- Research on the Gauge Sensor Laser Spot 轨距传感器中激光光斑大小的影响
- These techniques are effective to increase the tested distance of the pulse laser spots removed target in outfield during daytime. 影响白天外场对脉冲激光光斑的测量距离的主要原因是激光光斑被淹没在阳光照射的背景里，不能提取光斑图像。
- A second problem is thermal noise, especially that caused by the laser beam itself: the laser spots hit the center of the mirrors, heating them unevenly and thereby deforming them. 干涉仪的第二个问题是热杂讯，其中以来自雷射光本身的热最是严重；雷射光点打在镜子中心使之温度上升，加热不均匀的结果，会导致镜面变形。
- Comparisons of Several Methods of Laser Spot Center Detection 几种激光光斑中心检测方法的比较
- Multi-circle fitting algorithms for laser spot location 激光光斑定位的多圆拟合算法的研究
- Simulation of laser spot parameters measured with detector array 探测器点阵法测量激光光斑参数的仿真
- RESEARCH ON LASER SPOT AND BEAM WAIST SPOT SIZE MEASUREMENT 激光光斑及束腰光斑尺寸的测量研究
- A new method for calculating laser spot parameters quickly 一种新的激光光斑参数快速计算方法
- Precise laser spot measurement based on film-scanning 胶片扫描法精测微米光斑
