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- reference wave beam 参考波束
- The wave beam can be efficiently radiated from a conveniently short antenna. 波束可以从一根使用方便的短天线上有效地发射出去。
- The wave beam can be efficiently.radiated from a conveniently short antenna. 波束可以从一根使用方便的短天线上有效地发射出去。
- Axicon's diffraction mode for spherical wave beam with eccentricity[J]. 引用该论文 王中宇;张朵;李萌;高晓颖.
- It is possible that the incident spherical wave beam is tilted with the optical axis of the axicon in practical measurement. 在实际使用中,入射球面波很可能与圆锥透镜的光轴发生倾斜。
- Both object wave and reference wave should be uniform in rainbow holograph, especially in mould pressing hologram master plate of prevent falsifier label. 摘要物光和参考光的均匀性,对彩虹全息的拍摄,特别是模压全息防伪标记母版的拍摄都具有重要意义。
- Using spherical wave beam to illuminate an axicon will result in a beam with small central spot and large focal depth, which is useful for laser communication and long-distance measurement. 由于球面波入射圆锥透镜所产生的出射光束具有焦深长和中心光斑直径较小的特点,适合激光通信以及长距离测量。
- A little apart from the surf ace, the longitudinal wave beam may exist and propagate parallel to the surface,yet has to connect with its corresponding gliding irrotational waves. 离开固体表面稍远的区域,可以有平行于表面传播的纵波声束存在,但是需要与相应的滑行集散波相互衔接。
- Don't refer to this matter again, please. 请不要再提这件事了。
- A new OE-HOE system has been worked out,with which the large-aperture collimated waves,large-aperture convergent wa- ves,astigmatic waves,or wave beam with cross-section of any aperture shape can be produced. 本文给出一种光学元件(OE)与全息光学元件(HOE)的组合系统,利用它可以获得大口径高精度准直波、大口径会聚球面波和象散波以及各种形状截面的光波。
- This reference book is very useful to our study. 这本参考书对我们的研究很有用。
- Is this reference book of any use to me? 这本参考书对我有用处吗?
- I like to have my reference book within my reach. 我喜欢把参考书放在随手拿得到的地方。
- The propagation of wave beam in composite random medium 复合随机介质中波束的传播
- Tony used no reference books in class. 托尼上课时不使用参考书。
- Bill wave his hand to us and then drive away. 比尔向我们挥手告别后开车走了。
- Evidently shipowner to bear expense refer. 很明显船主应承担此费用。
- Radio2 can be heard on the long wave band. 第二广播电台可在长波段收听到。
- There is no further reference to him in her diary. 她的日记中没有进一步提到他。
- I am able to pick you up on the short wave radio. 我能用短波收音机收听到你的信号。