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塞格伦的英文

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"塞格伦"怎么读用"塞格伦"造句

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  • seglen

例句与用法

  • Participate in the design and test of the cassegrain antennas used in one subject
    参与了课题有关卡塞格伦光学天线的设计和测试工作。
  • Paper introduces the sorts and request for design of optical antennas , choosing the cassegrain antennas based on the characteristic of space optical communication . the structure and work principle of cassegrain antennas are discussed , as well as the relation of parameters each other
    论文介绍了光学天线的分类和设计要求,根据空间光通信的特点选择卡塞格伦反射式天线,讨论了卡塞格伦天线的组成及工作原理,以及卡塞格伦天线参数之间的相互关系。
  • 1550nm is chosen as the work wavelength , cassegrain transmitting - receiving antenna as the optical antenna of the system through the elucidation of how to choose the work wavelength and optical antenna of comm - unication system . the structure and theoretical design parameter of apt sub - system have been presented through the discussion of the optical signal power estimation of apt sub - system , beam divergence angle , pointing error , and error signal extraction . compared with existed optical wireless communication system , the design scheme proves applicable
    通过对通信系统工作波长选择、光学天线选择等阐述,选择了1550nm作为系统工作波长、卡塞格伦( cassegrain )收发合一天线作为系统光学天线;通过对apt子系统功率测算、束散角和瞄准误差、误差提取信号等的讨论,给出了apt子系统结构和理论设计指标,并将其与现有的光无线通信系统进行比较,说明该设计方案是可行的。
  • Then we introduce the character of the atmosphere channel , which we emphasized on the atmosphere scatter , absorption and scintillation ' s effect on the laser beam . in chapter , we explain why we used cassegrain telescope to collect the optical signal at first , then the lightsource , detector , front amplifier used in optical communication has been compared to that of fiber communication , the noise including shot noise , thermal noise and background light noise has been explained here for analysis the snr and ber in the next section
    在第三章介绍无线光接入系统的光收发单元,采用多孔径卡塞格伦式的收发天线对消除减小大气湍流影响有较大作用,针对大气信道的特点无线光系统收发单元在光源、光探测器、前置放大电路上存在许多有别于光纤通信的技术,同时还阐述了光接收机包括背景噪声的噪声机制和接收灵敏度、误码率等指标,最后给出了一个整个传送链路的功率预算。
用"塞格伦"造句  
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