| 基于软件无线电的QPSK解调的设计 |
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| 引用本文： | 王松涛,刘宏立,毛六平,童调生.基于软件无线电的QPSK解调的设计[J].微计算机信息,2007,23(1S):230-231,285. |
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| 作者姓名： | 王松涛 刘宏立 毛六平 童调生 |
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| 作者单位： | 长沙市湖南大学电气与信息工程学院,410082 |
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| 基金项目： | 国家自然科学基金（60272051） |
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| 摘 要： | 在无线通信系统中,调制解调技术的好坏很大程度上决定了通信的质量,QPSK调制方式具有优越的性能,在无线移动通信领域中被广泛采用.文中详细介绍了QPSK的相干解调的整体方案并重点介绍了用CORDIC算法的基本原理,以及由CORDIC算法实现数控振荡器（NCO）的方法和硬件电路的设计.
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| 关 键 词： | QPSK 数控振荡器 CORDIC算法 |
| 文章编号： | 1008-0570（2007）01-1-0230-02 |
| 修稿时间： | 2006-08-242006-09-22 |
Design of QPSK Demodulation Based on Software Radio |
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| WANG SONGTAO LIU HONGLI MAO LIUPING TONG TIAOSHENG.Design of QPSK Demodulation Based on Software Radio[J].Control & Automation,2007,23(1S):230-231,285. |
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| Authors: | WANG SONGTAO LIU HONGLI MAO LIUPING TONG TIAOSHENG |
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| Affiliation: | College of Electrical and Information Engineering,Hunan U- niv,Changsha 410082 China |
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| Abstract: | In the system of wireless communication,modulation technology determines the quality of commucation.QPSK has superior properties and it is widely used in the field of wireless mobile communication.This paper intreduees the whole design of the related demodulations with the emphasis on the basic principles of CORDIC algorithm,the ways of realizing NCO and the design of hardware circuit using CORDIC. |
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| Keywords: | QPSK Numerically controlled oscillator CORDIC algorithm |
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