| 基于扩频通信系统接收同步技术的仿真设计 |
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| 引用本文： | 黄凌霄.基于扩频通信系统接收同步技术的仿真设计[J].洛阳师范学院学报,2014(8):27-29,44. |
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| 作者姓名： | 黄凌霄 |
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| 作者单位： | 福州大学阳光学院,福建福州350108 |
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| 基金项目： | 福州大学阳光学院院级项目（2011B004） |
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| 摘 要： | 扩频系统接收机的好坏直接决定了整个通信系统的性能.在直接序列扩频通信系统的基础上,提出了一种位同步方法,结合科斯塔斯(Costas)环的载波同步方法和数字匹配滤波器的扩频码同步方法,建立了直接序列扩频通信系统模型.最后,采用MATLAB R2006b/SIMULINK工具,对该系统进行整体仿真.本系统经过仿真,验证其正确性,为以扩频通信为基础的现代通信的研究和设计提供参考.
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| 关 键 词： | 扩频通信 同步 仿真 |
Simulation and Design of Synchronized Reception Technology based on Spread Spectrum System |
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| HUANG Ling-xiao.Simulation and Design of Synchronized Reception Technology based on Spread Spectrum System[J].Journal of Luoyang Teachers College,2014(8):27-29,44. |
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| Authors: | HUANG Ling-xiao |
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| Institution: | HUANG Ling-xiao (Sunshine College, Fuzhou University, FuZhou 350108, China) |
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| Abstract: | The quality of spread spectrum receiver directly determines the performance of the whole communi- cation system. Based on the communication system of DSSS （ Direct Sequence Spread Spectrum）, this paper propo- ses a bit-synchronization method and builds a communication system model of DSSS, combining the carrier-synchro- nization method of Costas loop and the spread spectrum code-synchronization method of DMF （Digital Matched Fil- ter）. At last, simulation of spread spectrum system is implemented with MATLAB R2006b. The simulation result shows that this communication system is precise and has some reference significance for the simulation and design of modern communication system based on spread spectrum communication. |
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| Keywords: | spread spectrum communication synchronization simulation |
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