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- The number of spectral switch increases with increasing Fresnel number and truncation parameter, but . 数值计算结果表明,光谱开关主要与截断参量、光束菲涅耳数以及光谱相干度有关。
- In this paper, the concept of effective Fresnel number of a stable optical resoaator which was first introduced by Boyd & Gordon is illustrated systematically. 本文系统阐述了早先曾由Boyd和Gordon提出过的有效菲(?)
- Numerical calculations are performed and show that the focal shift in focused sinh-Gaussian beams depends on the Fresnel number and decentered parameter, and increases with decreasing them. 数值计算表明,聚焦双曲正弦高斯光束的焦移与偏心参数和菲涅耳数有关,焦移随偏心参数和菲涅耳数的减小而增大。
- The results show that, when the Fresnel number is small, the low-loss mode field distribution is the low-order mode, on the contrary, the low-loss mode field distribution is the high order mode. 结果显示,模式分布类似于稳定腔的模式,并且腔的菲涅尔数越小,模式阶数越低,当菲涅尔数合适时,可实现基模振荡。
- mode selection by Fresnel number of resonator 菲涅尔数选模
- The equivalent Fresnel numbers of the regular polygon and slit are calculated by using the radius of inscribe circle and half width of the slit as the feature length. 以正多边形的内切圆半径和狭缝的半宽度为特征尺度,给出了匀幅平面波入射时正多边形和狭缝的等效菲涅耳数。
- Equivalent Fresnel number for regular triangle aperture 正三边形光阑的等效菲涅耳数
- Effective Fresnel Number and Focal Shifts of Focused Cylindrical Light Beams 聚焦柱面光束的等效菲涅耳数及焦移
- diffraction interference Bessel function Lommel functions Fresnel number. 标 签 衍射 干涉 贝塞尔函数 洛梅耳函数 菲涅耳数。
- He thumbed through the directory to look for her number. 他翻阅电话号码簿找寻她的号码。
- Let me note down your address and telephone number. 让我记下你的地址和电话号码。
- He picked a winning number on the first draw. 他第一次便抽到一个中奖号码。
- The number of fish in coastal waters has decreased. 沿海鱼的数量已减少了。
- The number represented by the digit or digits in2. 在释文2。中所说的由一位或几位数字表示的数。
- The students in our class number thirty. 我班总共有三十名学生。
- I dialed the right number, but nobody answered. 我拨的号是对的,但没有人接电话。
- A number of new hats were on parade at the wedding. 在婚礼上见到有些人戴著新式的帽子。
- A number of satellites are now circling the earth. 一些人造卫星现在正环绕地球飞行。
- The number shall be cut in on a plate. 号码将雕刻在一块金属板上。
- I seriously question a number of your assertions. 对你所坚持的说法,有几点我甚为怀疑。