rectangular grating是什么意思_rectangular grating中文

rectangular grating中文什么意思

rectangular wave grating: 矩形波光栅
grating: n. 1.格栅，格子；(船上作地板或透光用的)格子板，格子盖。 2.【物理学】光栅。 diffraction grating衍射光栅，绕射栅。 echelette grating红外光栅。 wire grating线栅。 adj. 刺耳的，使人烦躁的，讨厌的。 n. 摩擦，摩擦声。 adv. -ly
rectangular: adj. 矩形的，长方形的；成直角的。
rectangular a: 矩形的,长方形的
rectangular can; rectangular tin: 长方罐

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study on mm-wave rectangular grating traveling wave tube with sheet-beam
带状束矩形栅毫米波行波管的研究
2 . the diffraction characteristics of rectangular grating are studied deeply by vector diffraction theory
2.用矢量衍射理论对矩形光栅的衍射特性进行了分析。
difference iterative method was used to estimate numerically director configurations in the nlc-bl037 cell in this paper . the refractive indices and phase retard of nlc in electric field was presented on the basis of the calculation of liquid crystal director distributions . then we analysed the diffraction phenomenon when the linearly polarized light was controlled by diffraction grating which was based on rectangular grating and sinusoidal phase grating models and we got it ’ s math model 。 finally we designed the nlc phase grating and we did the experiment to validate the theoretic calculation
文中利用差分迭代法计算了向列相液晶bl037盒中指向矢分布的计算,根据指向矢的分布情况得到了向列相液晶的双折射率分布和非常光通过液晶盒产生的相位延迟随电压变化;并在矩形光栅和正弦相位光栅的基础上,分析了入射偏振光通过液晶电控光栅所产生的衍射情况。

rectangular grating中文什么意思