Three attenuation measuring methods for plastic optical fiber including the cut-back method, the insertion-loss method and the back-scattering method are introduced.
介绍测试塑料光纤衰减的三种方法:截断法、插入损耗法和后向散射法。
参考来源 - 塑料光纤衰减测试方法的探讨·2,447,543篇论文数据,部分数据来源于NoteExpress
The principle of Laser Doppler Velocity (LDV) and the method of back scattering are presented.
介绍了激光多普勒测量技术的原理和后散射型固体表面测量方式。
The displacement vector for surface relief was determined to be near the invariant line direction using electron back scattering diffraction method.
本工作应用背散射电子衍射技术测得产生浮突的位移在不变线方向附近。
In the method, a part of reliable scattering centers are automatically selected and effectively associated via checking the back-projection error.
此方法通过对反投影误差的检验实现了对部分可靠散射中心的自动选择和有效关联。
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