amplitude grating
英 [ˈæmplɪtjuːd ˈɡreɪtɪŋ]
美 [ˈæmplɪtuːd ˈɡreɪtɪŋ]
网络 振幅光栅
双语例句
- Analysis and Simulation of the Plural Amplitude and Distribution of Optical Intensity about Fresnel Diffraction of Ronchi Grating on Spherical Wave A Fast SA Algorithm for the Design of DOE for Uniform Illumination
球面波照射下Ronchi光栅的菲涅尔衍射及计算机模拟一种用于均匀照明的衍射光学元件设计的快速模拟退火法 - For an amplitude type or a phase type grating as adjusting grating, the intensity formulae of diffracted images of an recalculated to each order, and some mis-takes in previous paper of the same author is corrected.
对用振幅型及位相型光栅作调节光栅时，编码位相片各级衍射像的光强公式重新做了推导，纠正了以前文章中的错误。 - By means of spatial frequency analysis, the paper discusses the diffraction characteristics of amplitude sine grating and liste the important uses in three respects.
用空间频谱分析的方法讨论了振幅型正弦光栅的衍射特征，并列举了三个方面的重要应用。 - Diffraction efficiency of an amplitude and phase mixed holographic grating complex object
振幅和位相复合全息光栅的衍射效率 - We have analysed the effect of the BDN dye molecular relaxation characteristic on the formation of grating, and formed the relation between the Gaussian time characteristic of input intensity and the amplitude of energy density of grating.
我们还分析了BDN染科分子的弛豫特性对光栅形成过程的影响，以及入射光强的高斯时间特性与染料中光栅能量密度振幅的时间特性之间的关系。 - The energy amplitude becomes bigger with the longer grating.
能量振幅随光栅长度的增加而增大。 - In the present paper after discussing the meaning in an mixed holographic grating of amplitude and phase, the diffraction efficiency of thin amplitude-amplitude and amplitude-phase mixed holographic grating was calculated by the method for Fourier transform.
本文在讨论振幅和位相复合全息光栅的意义以后，应用傅里叶变换方法计算了振幅-振幅和振幅-位相复合全息光栅的衍射效率。 - In a white-light optical processing system, if the filter apertures vibrate randomly around the rainbow diffraction spectra at Fourier plane, the amplitude grain noise of the grating encoded film in the output plane can be suppressed considerably and the output SNR is improved.
本文提出在白光信息处理中，可通过使滤波孔在傅里叶面彩虹状衍射谱附近做随机振动的方法，达到抑制光栅编码片的振幅型颗粒噪声。 - The experiment shows, the resolving power of amplitude could surpass the one twentieth of grating constant.
实验表明，振幅测量分辨率可达光栅常数的二十分之一以上。 - If a long-period grating is written in the hydrogen-loaded standard SM fiber, using the amplitude mask, the thermal stability will be decreased because of the presence of H 2, which makes it difficulty to fabricate an ideal long-period fiber grating ( LPFG).
在载氢光纤上利用振幅掩模板来制作长周期光纤光栅，由于氢气的引入导致光纤光栅的热稳定性变差，这给制作符合要求的光纤光栅造成很大的困难。 - The optical spatial filtering sysytem mating blazed grating with amplitude grating in the moire method is improved in the paper to be a real-time system. Its factor of fringe multiplication and the condition for best contrast of moire pattern are also derived.
文中还将云纹法中闪耀光栅与振幅栅相匹配的光学空间滤波系统改进为实时系统，导出其条纹倍增率及云纹图的最佳对比度条件。 - Ways are put forward for making amplitude filters by picking out the phase transfer function and for making phase filter by grating and hologram.
提出了提取相位衬度传递函数制作振幅滤波器方法和利用光栅及像全息制作相位滤波器的方法。 - In an amplitude grating system of small grid pitch, the diffractive light is the main cause to deteriorate the contrast and sinusoidal property of Moir é signals.
在国内外普遍使用的细栅距幅光栅叠栅条纹系统中，衍射效应是很明显的，这是造成叠栅条纹信号的衬比（度）和正弦性不好的主要原因。 - The spatial distribution of fresnel diffraction field of sinusoidal amplitude grating
正弦振幅光栅菲涅耳衍射光场的空间分布 - In an amplitude grating system of small grid pitch, the diffractive effect is distinct. Its energy will be about 10-40 percent of total energy. The diffractive light is the root cause to deteriorate the contrast of Moire signal and sinusoidal property.
在细栅距的幅光栅系统中，衍射效应是很明显的，其能量约占总能量的10～40%左右，这种衍射光是造成Moire光电信号对比度不好和正弦性差的根本原因。 - A new method-realization of image amplitude substraction is described based on Talbot effect of grating with illumination of coherent convergent light.
本文提出了在相干会聚光照明下利用光栅的Talbot自成像效应实现图像振幅相减的一种方法。 - The spatial distribution function of grating amplitude recorded in photorefractive crystal based on the couple waves theory is given. The enhancement properties of holographic grating readout by single beam and by double side alternative readout are analyzed after solving the couple equations numerically.
基于波的耦合理论，给出了实际写入光折变晶体中光栅振幅的空间分布函数，通过数值解耦分析了单光束读栅和双面交替读栅时全息光栅的增强特性。 - A direction discrimination technique for laser Doppler measurements, called two-phase detecting, is discussed. The intensity distribution of the single-period rectangular phase grating diffraction pattern is calculated. The diffraction efficiency of a phase grating is compared with that of an amplitude grating with same grating constant.
文中讨论激光多普勒技术的双相检测辨向方法，计算了单周期矩形相位光栅的衍射光强分布，比较了光栅常数相同的矩形相位光栅和振幅光栅的衍射效率。 - We inscribed surface relief grating on the thin films using Point-by-Point method and Amplitude Mask method ( the amplitude mask was taken place by grating roll film manufactured by ourselves).
利用逐点写入法和振幅掩模法（振幅掩模板为自制光栅胶片）在这种薄膜上刻写了表面形貌光栅。 - ABSTRACT: Due to the low efficiency of pure amplitude sampled fiber gratings, the grating length should be greatly increased for obtaining high reflection sampled gratings.
摘要：由于纯幅度取样光纤光栅的光栅效率较低，制作具有高反射率的多通道纯幅度取样光纤光栅需要大幅度增加光栅长度。 - By taking advantage of the reflection and diffraction characteristics of DMD, it integrates the sine amplitude grating phase-shifting technique and diffraction processing technique into digital holography to realize the numerical reconstruction of in-line hologram, and then to get the original wave-field.
该技术利用正弦振幅光栅相移技术和衍射处理技术实现同轴全息图的数值再现，获得原始物波信息。 - In this position, the amplitude of the guided mode, especially fundamental mode, reaches a maximum and the interaction between guided mode and volume index grating is expected to be very strong. Therefore, a higher coupling efficiency can be achieved.
在这个位置，导模特别是零阶导模的振幅最大，导波光与光栅作用更强烈，因此有望获得更高的耦合效率。 - Actually, the accuracy of grating can be reached a higher degree through the amplitude mask method. Additionally, the grating obtained better consistency/ conformity and the spectrum characteristic.
现实中用振幅掩模法来刻写光栅是能够得到较高的精确度，而且光栅一致性以及光谱特性较好。