1) optical speckle
光学散斑
1.
The development and the present status for optical speckle technique which belongs to laser measurement are introduced in this thesis.
本文介绍了激光测量中的光学散斑技术的发展与现状,并且详细阐述了散斑的成因、类型及其光学统计特性,具体分析了光学散斑的三种测量方法。
2) laser speckle
激光散斑
1.
Measurement of thermal displacement of welding points for differental metals by laser speckle photography;
激光散斑照相法测量不同金属材料焊接部位的热位移
2.
Measuring heating stress of metal material at the welding points by using one beam laser speckle interferometry;
单光束激光散斑干涉法测量金属材料焊接部的热应变
3.
The measurement of metal material welding flaws by method of laser speckle;
用激光散斑法检测金属材料的焊接缺陷
3) white light speckle
白光散斑
1.
Using the white light speckle and ultrasonic C-scanning method, the internal defects of composite laminate are detected, and a GTF- 182 optical patten digital system is used to analysis white speckle plate that had Fourier thansformed.
用白光散斑法和超声Ｃ扫描相结合的方法检测复合材料内部缺陷；并用ＧＴＦ—１８２光学图象数字分析系统对白光散斑法所得经付氏变换的图片进行了处理。
2.
The rotating aperture method is used in de focused white light speckle photography, and the experimental result is in agreement with the theoretical analysis.
把转孔法用于离焦白光散斑照相，实验结果同理论分析保持一致。
4) Laser speckles
激光散斑
1.
The laser speckles are formed when a beam of laser is scattered by a rough surface of an object.
激光照射到粗糙物体的表面会形成激光散斑 ,散斑随物体的运动而运动 ,特别是物体在自身平面内运动时散斑的同步运动比较显著 ,因此可以用这一现象测物体的微小位移 。
5) speckle intensities
散斑光强
6) stray light spots
杂散光斑
1.
The stray light spots are eliminated, and the structure of the apparatus is simplified.
采用分光棱镜代替迈克耳孙干涉仪中的分束镜和补偿板 ,不仅消除了杂散光斑 ,且简化了仪器的结构 。
补充资料：单光束散斑干涉法
见散斑干涉法。
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