查询词典 angular aperture

In this paper we propose a method called Generalized Spectral Correlation Signal Subspace Fitting for DOA estimation,which is applicable in both wide and narrow band scenarios.Especially,in narrow band cases,the method is capable of enlarging the effective aperture of sensor array considerably.

本文提出了一种用广义谱相关信号子空间拟合进行波达方向估计的方法，该方法同时适用于宽带与窄带信号的DOA估计，在窄带情形下还能够大大提高阵列的等效孔径。

Surely, the reduced aperture mitigates the effect of spherical aberration also for a sensor fixed at b, but it is possible to do better.

当然，减小光圈对于放在B点的感光元件来说仍然是有利于减小球差的，但是我们可以做得更好。

A very small lens aperture is employed to correct spherical aberration, but this sevrely limits the final resolution.

可以用一个非常小的透镜孔阑来校正球差，但这会严重地影响最终鉴别率。

The motion, creation and annihilation of phase singularities occur in the focal region, which depends on the truncation parameter,the spherical aberration and the half angle of the aperture lens.

在焦区位相奇点会出现移动、产生和湮灭，并与截断参数、球差和光阑透镜半角有关。

At present,this apparatus is used mainly for the examination of the perfectness of convergent spherical wave surface with aperture angle≤1:3,hence it can be used for the non-contact direct test of aluminized or unaluminized concave mirrors with any ...

因此可以用来无接触的直接检验任意口径的镀铝或未镀铝的凹球面镜；加入辅助镜后可以检验平面镜、天文望远镜用的各种非球面镜、介质的均匀性、光学系统的质量、光轴校正及安装变形情况；也可给出物镜对于现用激光波长(6328)的波面差及测出某些象差。

A new type fiber coupling system is designed,which consists of four parts:large aperture lens,1/4 pitch grin lens,taper fiber and step optical fiber with spherical end surface.

设计了一种新型的耦合系统，该耦合系统由大口径聚焦透镜、1/4节距自聚焦透镜、锥形光纤和球端光纤四部分组成。

Additionally, It was found that the spherical aberration of thermal lens has the aperture effect of preventing higher-order transverse modes from oscillating.

此外，从实验上发现并分析了Nd：YVO〓晶体的热透镜球差对于高阶横模的抑制作用。

With a maximum aperture of f/2.5, and by applying classical and proven spherical lens designs, these lenses provide excellent quality.

凭借f/2.5镜头最大光圈，并运用传统和证明球面镜片的设计，这些镜头提供优良的品质。

Two kinds of models are considered, spherical wave and plane wave, and the diameter of the receiving aperture is supposed as the first Fresnel zone length.

文中共考虑了两种模型：球面波和平面波，并假设接收孔径直径等于第一菲涅耳区尺度。

VEGFR and sufficient cell crack aperture the relation of diaphragmatic and crucial element and the heat that its already made research in the action in protective screen of kidney spherule filtration, the article emphasizes the research progress of the VEGFR on sufficient cell to undertake summing up.

VEGFR和足细胞裂孔隔膜关键分子的关系以及其在肾小球滤过屏障中的功能已成为探究的热点，本文着重就足细胞上VEGFR的探究进展进行综述。

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