1) The non diffracting distance
无衍射距离
2) critical diffraction distance
临界衍射距离
1.
Meanwhile,a critical diffraction distance was defined to describe the diffration effect of the FZP quantitatively.
为了定量描述波带板的衍射效应,定义了临界衍射距离。
3) non-diffracting beam
无衍射光
1.
A coaxial measuring system for a hole using non-diffracting beam;
以无衍射光为基准的内孔同轴度测量仪
2.
Generation of short pulse and high power non-diffracting beam by active and passive schemes based on axicon;
基于轴棱锥用主被动方式产生短脉冲高功率近似无衍射光
3.
Study on property of central spot of non-diffracting beams;
无衍射光束中心光斑的特性研究
4) non diffracting beam
无衍射光
1.
Applying wavelet analysis to non diffracting beam based on triangulation measurement to remove noise signals is proposed in this paper.
提出将小波分析法用于无衍射光三角测量系统的信号去噪处理 ,以提高系统的测量精度及速度 ,使系统的优良特性能充分实现 。
2.
The non diffracting beam is used as the measuring beam and a virtual detector is used to expand detector size.
该系统用无衍射光作测量光束 ,用虚拟探测器扩展探测器尺寸 。
3.
For the non diffracting beam generated by an axicon lens, the central spot diameter and non diffracting distance are fixed.
论述无衍射光束的基本参数的确定，提出用望远系统来改变无衍射光束参数的新方法，给出了各参数的变换公式。
6) diffraction dissociation
衍射离解
补充资料：60钴远距离治疗
60钴远距离治疗
利用60钴所产生的高能γ射线作远距离治 疗。60钴还可进行腔内或组织间治疗。见"X线治疗"。
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