| 一种卫星数传分系统链路数据异常分析 |
| |
| 引用本文： | 陈建光,向前,朱丹,周希侠.一种卫星数传分系统链路数据异常分析[J].航天器工程,2011,20(1):63-69. |
| |
| 作者姓名： | 陈建光 向前 朱丹 周希侠 |
| |
| 作者单位： | 上海航天测控通信研究所,上海,201109 |
| |
| 摘 要： | 某卫星数传分系统在轨测试初期,发现数传分系统的延时云图发射机(DPT)数传链路偶尔会有个别轨道接收数据异常.通过仔细观察发生问题时的各种现象,进行了产品地面试验的模拟和对数据的分析研究,找出了发生问题的原因.针对问题,对固态存储器内部时钟晶振加强了环境试验考核,对DPT时钟锁相环晶振电路加以改进完善,提高了电路的稳定性...
|
| 关 键 词： | 数传分系统 固态存储器 延时云图发射机 时钟锁相环 环境适应性 |
Fault Diagnosis and Analysis of a Satellite Data Transmission Subsystem |
| |
| CHEN Jianguang,XIANG Qian,ZHU Dan,ZHOU Xixia.Fault Diagnosis and Analysis of a Satellite Data Transmission Subsystem[J].Spacecraft Engineering,2011,20(1):63-69. |
| |
| Authors: | CHEN Jianguang XIANG Qian ZHU Dan ZHOU Xixia |
| |
| Institution: | CHEN Jianguang XIANG Qian ZHU Dan ZHOU Xixia(Shanghai Spaceflight Institute of TT&C and Telecommunication,Shanghai 201109,China) |
| |
| Abstract: | The initial on-orbit testing of a satellite data transmission subsystem shows some accidental abnormal data reception occurs in the DPT data transmission link.Close observation of various phenomena,ground simulation testing of products and analysis of testing data help to find the cause of the problem.Measures are taken to improve the environmental adaptability and reliability of the data transmission subsystem including enhancing the environmental test level of the SSR internal oscillator,and improving the... |
| |
| Keywords: | data transmission subsystem solid state recorder DPT phase lock loop environmental adaptability |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
