1) 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 。
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) white-light speckle
白光散斑
1.
In this paper the experimenting method used to improve the effects of the white-light speckle measuring technique is presented.
从实际应用的需要出发,对改善白光散斑技术的测试效果在实验方法上进行了详细的探讨。
补充资料:光斑
光斑 faculae 日面上用白光看到的明亮区域,位于太阳光球的上层。其形状不规则,有明亮的纤维状结构。尺度在几千千米到1万千米之间。光斑通常在日面边缘才能清楚看到,多数与黑子相伴,寿命比黑子长。它的数目和总面积与黑子一样有11年的周期变化,和黑子不同的是光斑不仅出现在赤道区也出现在极区。光斑的温度比光球高,深层处的温度比光球约高100度,表面处则比光球约高2000度。与周围光球相比,光斑的亮度约大10%,压力约为光球的10倍。光斑的磁场强度约百分之几特斯拉。 |
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