光学三角测量 meaning in English

optical traingulation
optical triangulation

Packaging in the use of micro - optical triangulation
在微型封装中使用光学三角测量
Calibration of upright cylindrical tanks using the optical - triangulation method
光学三角测量法校正竖直柱形罐
In this paper , in order to estimate coal storage volume in open stockyard , we have analyzed the optical triangulation and applied it to the measurement of large surface we have stated the measuring theory of distance with laser and the measuring theory of angle . we have also analyzed main factors influencing measurement precision and studied several key techniques in large - scale measuring such as the problem of non uniformly distributed of distance measuring resolution in large surface measurement , the methods of locating laser spot center and so on
本文通过对火力发电厂露天煤场存煤量的自动检测系统的研究，深入分析了光学三角测量方法的原理，并将其应用于大型曲面测量；阐述了激光测距原理和角度测量原理；对大型曲面测量的实现方法、畸变光斑图像的几何中心的准确定位等几个方面的关键技术进行了探讨；分析了大范围测量时影响测量精度的主要因素。