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- optical antenna aperture 光学天线孔径
- The influence of airborne SAR antenna aperture on imaging process is analyzed. 摘要分析了机载合成孔径雷达天线口径对成像处理的影响。
- Corresponding optical antenna and spectroscope are designed. 设计了和上述推证相关的光学天线和分光镜等。
- The acceptance angles and optical gains of optical antenna,such as telescope system, optic taper, reflect taper were measured. 通过对望远系统、光纤光锥、反射光锥等光学天线的接收角及光学增益进行的大量实验。
- Laser rangefinder consists of laser emission source, receiving system and optical antenna. 半导体激光测距仪主要由激光发射光源、接收系统和光学天线组成。
- Phase Array Radar can scan beams fast by controlling the phase of radiator elements in the antenna aperture surface, which shows many excellences such as agility, change celerity and multifunction. 相控阵雷达通过电的方式控制天线孔径面上各辐射单元的相位变化,以实现波束的快速扫描,使其具有灵活、变化快速、多功能等优点。
- An FSO communication system is presented in this paper firstly, including optical antenna, transceiver module, and pointing, acquisition and tracking (PAT) subsystem. 本文首先构建了一个FSO系统总体方案,包括光学天线、收发电路和对准、捕获与跟踪(PAT)子系统。
- This dissertation chooses received directly system, at the same time makes the simple introduction to the heterodyne receiver, and then carries on the preliminary analysis on optical antenna. 本文选用的是直接检测接收机的实现方案,同时对外差接收机也做了简单介绍,并对光学天线的类型和各自的结构特点进行了初步的分析。
- This paper provides some processing techniques for the radius conservation of light spot called light spot preservation(LSP) technique using in the optical antenna system of multi-ring detection. 本文从多环检测接收平面对光斑直径的稳定性要求出发,讨论激光天线系统的光斑稳定技术,称为光斑保持技术。
- The results show that the field of view (FOV) of hemispherical lens and CPC are wider and its gain is higher compared with other optical antennas. 分析表明:半球透镜和CPC视场较大,增益值高。
- Some conventional optical antennas like hemispherical lens, compound parabolic concentrator (CPC), Cassegrain telescope were analyzed with the software of ZEMAX. 针对非视线大气光通信的需求,利用ZEMAX软件对半球透镜、复合抛物面聚光器(CPC)和卡塞格伦望远镜等光学天线进行了性能分析。
- EFFECTS OF ANTENNA APERTURE PHASE DISTRIBUTION ON THE SYNTHETIC ARRAY PATTERN AND THE DOPPLER-DELAY RESPONSE 天线孔径相位分布对综合阵列方向图和多普勒-时延响应的影响
- Optical Antenna System in Free Space Optical Communication System 自由空间光通信系统中的光学天线系统
- His optic nerve was hurt in an accident. 他的视神经在一次事故中受到损伤。
- Microscopes and telescopes are optical instruments. 望远镜和显微镜是光学仪器。
- The optic theory originated with Einstein. 光学理论是爱因斯坦首创的。
- Research on optical antenna of pulse laser wavelength measurement system 脉冲激光波长测试系统光学天线研究
- antenna aperture 天线孔径
- A mirage is an optical illusion. 海市蜃楼是一种视错觉。
- antenna aperture code [电] 天线孔面积