| 卫星信道突发直扩信号的快速捕获 |
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| 引用本文： | 仰书耀.卫星信道突发直扩信号的快速捕获[J].南京航空航天大学学报,1992(6). |
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| 作者姓名： | 仰书耀 |
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| 作者单位： | 南京航空学院电子工程系 |
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| 摘 要： | 本文讨论了利用中频积累法实现信噪比为—15dB条件下突发直扩信号的快速捕获。文章分析了积累环的工作原理,以及环路设计中应考虑的因素,并且给出了信号通过卫星信道时的试验数据。
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| 关 键 词： | 扩展频谱调制 同步通信系统 卫得通信积累 捕获 |
Fast Acquisition of Burst Direct Sequence Spread Spectrum Signals through Satellite Channel |
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| Yang Shuyao.Fast Acquisition of Burst Direct Sequence Spread Spectrum Signals through Satellite Channel[J].Journal of Nanjing University of Aeronautics & Astronautics,1992(6). |
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| Authors: | Yang Shuyao |
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| Institution: | Department of Electronic Engineering |
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| Abstract: | The paper dicusses the fast acquisition of the direct sequence (DS) spread spectrum signals using a intermediate frequency recirculation loop,when the signals passed the satellite channel. Fundamental principles of the recirculation loop and some problems in designing the loop are described. Test results are shown at the time when the signal passes the satellite channel. |
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| Keywords: | spread spectrum modulation synchronous communication systems satellite communication acquisition |
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