查询词典 angular aperture

When inverse synthetic aperture radar imaging the target with complex motion,the time-varying rotation vector will induce phase errors depending on the scatter positions.

1引言ISAR成像中通常假设，目标的转动限制在二维平面内，且目标均匀转过了一个小的角度。

The small dipole aperture antenna provides a normal way for THz radiation, for which the Drude-Lorentz theory provides method to calculate the Terahertz waves from photoconductor.

但是传统的Drude-Lorentz方法只是适用于小孔径(孔径，这里指的是偏置电压两个电极之间的距离)光导天线。

In order to know the measured results accuracy, we must estimate the size of photodetector aperture.

对光纤中的模分布进行分析和测量时经常用到Gauss一Laguerre函数川一『3，。

Using it and the Gauss- Laguerre correlation functions, we have estimated the size of photodetector aperture.

函数的卷积计算更加复杂和冗长，巍有的积分表中对于Gauss一Laguerre函数

It is very important for estimating the size of photodetector aperture to calculate the Gauss-Laguerre correlation functions.

我们应用Bartelt和Freude等人l'，【51提出的光纤中模式分析测量的新方法—用计算全息产生的光学匹配滤波器对光纤中的模式进行分析测量，需要知道Gauss一Laguerre函数的卷积表达式，以此来估算测量时所有光电检测管的孔径大小，估计测量结果的精度，减小测量误差。

This is a subtractive process that uses photolithographic techniques to define the aperture pattern, and then applies an etchant to form the apertures simultaneously from both sides of the stencil.

这是一个反工艺，它应用成像技术来决定孔型。然后，同时从钢网的两边腐蚀成孔。

The data are taken at 5 Hz, and aperture photometry was completed for stars down to ~13.7 mag.

资料取样频率为5 Hz，孔径测光可至星等约为13.7等的背景恒星。

They are exposure, refraction, plane of focus, angle of view and aperture.

他们曝光，折射，平面透视视角和孔径。

By controlling the size of pump beam and inserting an intracavity aperture in the plano-concave cavity, we obtain good contrast optical bottles at semi-confocal, 1/3-, and 1/5-degenerate cavity configurations, respectively.

只要适当的控制泵浦光斑与腔内实光栏的大小，在半共焦腔、1/3简并腔、与1/5简并腔下可以产生不同但是对比度极佳的瓶型光束。

The latest experimental results of the focusing perfermance of the compound high-energy X-ray lens is designed with PMMA with the parameters of 40 plano-concave elementary lenses positioned in line with axial symmetry, 200 μm radius of the concave surface, 0.15 nm working wavelength, 0.5 mm geometrical aperture and 8 mm length of the compound lens and 1.3 m focus length, are briefly introduced.

报道了这种新型X射线光学元件聚焦性能的最新实验结果。设计的高能X射线组合透镜为聚甲基丙烯酸甲酯材料，包括40个相同的、顺序排布的平凹折射单元，折射单元的球面半径为200 μm，组合透镜的几何口径约为500 μm，长度约为8 mm，焦距约为1.3 m。简要描述了PMMA材料X射线组合透镜的制作技术和制作过程。并给出了X射线组合透镜聚焦性能测试实验系统和实验条件。

What was it that made you want to change sider ?

是什么使你临阵倒戈？

I don't know what he wants, but let's play along with him.

我不知道他要干什么，可我