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   satellite-ground links 的翻译结果: 查询用时:0.006秒
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satellite-ground links
相关语句
  星地链路
     The space-based information transmission model is one of the key segments in the simulation of the space-based information system,which includes communication satellite model and communication link model,and the link model can be classified to inter-satellite links and satellite-ground links.
     空间信息传输模型是空间信息系统仿真应用中的关键环节之一,它包括了通信卫星模型和链路模型,链路模型包括星间链路和星地链路
短句来源
     This paper discribes the effect of co-channel interference on the ground TT&C station between satellite-ground links.
     文中讨论了星地链路中同信道干扰对地面TT&C站的影响;
短句来源
  星地光通信链路
     Analysis of the Effects of Vibration and Atmospheric Turbulence on Satellite-ground Links
     振动和大气湍流对星地光通信链路性能的影响
短句来源
  相似匹配句对
     From Theodolite to Satellite
     从经纬仪到卫星的历史性变革
短句来源
     SATELLITE & NETWORK
     《卫星与网络》杂志征稿启事
短句来源
     On-satellite Processing Techniques
     星上处理技术初探
短句来源
     Satellite Digital-television
     卫星数字电视
短句来源
     Ground Cherry
     酸浆(或称地樱桃)
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This paper discribes the effect of co-channel interference on the ground TT&C station between satellite-ground links.The effect of interference on a Carrier-to-Tracking Loop (CTL) is analysed, and the critical value is determined under the tracking condition of CTL.The analysis of the effect of interference on a telemetry demodulation subsystem is emphasized. The interference has an effect on the Bit-Error-Rate (BER) by two ways. On the one hand, the reference phase jitter caused by a carrier recovery...

This paper discribes the effect of co-channel interference on the ground TT&C station between satellite-ground links.The effect of interference on a Carrier-to-Tracking Loop (CTL) is analysed, and the critical value is determined under the tracking condition of CTL.The analysis of the effect of interference on a telemetry demodulation subsystem is emphasized. The interference has an effect on the Bit-Error-Rate (BER) by two ways. On the one hand, the reference phase jitter caused by a carrier recovery loop will have an indirect effect on BER. On the other hand, the interference introduced directly into a coherent detection device will directiy give raise to increase BER.The results of the effects can be expressed in terms of the loss of input Signal-to-Noise ratio E_b/N_0 at the same BER.

文中讨论了星地链路中同信道干扰对地面TT&C站的影响;分析了干扰对载波跟踪环路的影响,确定了载波环保持锁定的临界条件,重点分析了干扰对遥测解调分系统的影响。干扰通过两个途径影响误码率:一是通过载波恢复环路,造成参考相位抖动,间接影响误码率;二是直接进入相干检测设备,直接影响误码率。这些影响的结果可用同等误码率下输入信噪比E_b/N_0的损耗表示。

Space-based information transmission is the tache between the acquisition and the application of space-based information.The space-based information transmission model is one of the key segments in the simulation of the space-based information system,which includes communication satellite model and communication link model,and the link model can be classified to inter-satellite links and satellite-ground links.The paper analyses the characters of communication satellite model and communication link...

Space-based information transmission is the tache between the acquisition and the application of space-based information.The space-based information transmission model is one of the key segments in the simulation of the space-based information system,which includes communication satellite model and communication link model,and the link model can be classified to inter-satellite links and satellite-ground links.The paper analyses the characters of communication satellite model and communication link model and expatiates the main idea of model design.It analyses and computes the space position and velocity of satellite attributes.The paper designs the computing models of the coverage of communication satellite to other nodes space-based and on the ground.It describes three main parameters of communication links: connectivity,bit error characters and transmission delay time.The model is reusable and can be used in several space-related simulation systems under the HLA rules.

空间信息传输是空间信息获取和应用的纽带。空间信息传输模型是空间信息系统仿真应用中的关键环节之一,它包括了通信卫星模型和链路模型,链路模型包括星间链路和星地链路。论文分析了通信卫星模型和链路模型的特点,阐述了模型设计的主要思路。论文分析并计算了通信卫星实体的空间位置和速度属性,设计了通信卫星对空间通信节点和地面通信节点的覆盖计算模型,对空间链路和星地链路的可通性、误码特性和传输时延等主要指标的计算进行了描述。文中各模型均按照HLA思想设计,具有可重用性,可应用于多种模拟系统。

 
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