孔径

Optical aperture synthesis space explore wave front interference theory research.

光学综合孔径空间探索波前干涉理论研究。

Frequency modulated continuous wave synthetic aperture radar,which combines FMCW technique with synthetic aperture imaging methods,has such advantages as small volume,light-weight,costeffective,high-resolution.

1引言合成孔径雷达具有全天候、全天时、强透射性和高分辨率等优点，已成为重要的军事侦察手段，调频连续波SAR具有体积小、重量轻、成本低和分辨率高等优点，因此，人们对FMCW SAR越来越关注[1-2]。

The Miyun metre-wave aperture synthesis radioteleseope, working at frequency of 232 MHz, consists of: an E-W array of 28 elements each of 9 m aperture. 192 baselines are effected with a full coverage of U-V plane (Fig. 2). The longest baseline is 1,164 m, This instrument is designed for source survey and detection of peculiar source in north declinations.

密云米波综合孔径射电望远镜工作在232MHz，由28面直径9米的东-西天线阵组成，天线阵全长1164米，u-v平面覆盖完整，适于进行北赤纬天区射电源普查及特殊源搜索。2×12小时观测得&热噪音限制&灵敏度0.05Jy，综合方向束3′。8×3′。8cscδ，视场8°×8°，可以在两年以内完成δ≥+30°天区的普查，并开展选区监测。

Players can see real time damage to the aircraft such as holes in the wings and trail lines during dogfights.

玩家可以看到实时的损害，如飞机的机翼和孔径线在混战。

So if you want to use an aperture sight system on SM-1000, you will only need to buy the rear sight.

所以，如果你想加装小孔径瞄准器系统，你无需再买前瞄准器。

Standard sights include protected front blade and flip-up rear aperture sight, marked for 100 and 200 yards range, and also protected from sides by sturdy "ears".

标准景点包括刀片和保护前翻盖了视线后孔径为100米和200标码的范围，也从双方坚固的保护&耳朵&。

In this paper, based on the scalar theory, PSF is obtained theoretically under the condition of considering diffraction effects.

本文以标量衍射理论为基础，从理论上推导出了衍射效应条件下编码孔径中圆环的点扩散函数，并将它用于制作光学系统的滤波器。

AMOC results reveal that S parameter of three lifetime components in oxygen are all bigger than that in nitrogen atmosphere. These are probably caused by the oxygen making the spin-conversion of positronium atoms.

结合正电子寿命-动量关联谱测量结果，本工作分析了不同气氛下多孔硅样品中电子偶素湮没寿命及动量变化关系，讨论了多孔硅中电子偶素的湮没机制以及气氛对孔径计算理论模型的影响。

The ultimate target of this research is to realize a focusing microlens with a diameter of 600 μm and N.A. of 0.65, integrated with the micro optical bench in a micro pick-up head.

本研究的最终目标是欲在微光学读取头中，实现一个整合於微光学平台之微透镜，而其直径大小为600微米，数值孔径为0.65。

It is one of the best techniques to derive DEM from INSAR(Interferometric Synthetic Aperture Radar).

合成孔径雷达干涉测量技术是一种最有优势的获取DEM的技术手段。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了