Research and Implement of Carrier Synchronization Based on Square Phase-locked Loop

摘要：

Theory of coherent demodulation based on method of square counterchange is introduced in this article. Square phase-locked loop(PLL) is proposed to achieve coherent carrier from 2DPSK signal. The 180~ phases inexplicit problem which exists in carrier recovery is resolved. It improves the resisting noise property of communication system. We scheme out emulational circuit diagram for carrier distilling with PLL by using simulink and process corresponding emulational experiment. Experimental results show that our method can extracts carrier perfectly.

关键词： phase-locked loop phase variation coherent demodulation carrier synchronization carrier recovery

作者: Zhiwen WANG Shaozi LI Jian ZHOU

作者单位: Department of Computer and Engineering Guangxi University of Technology, Liuzhou 545006, China Cogni Cognitive Science Department of Xiamen University, Xiamen, 361005,China College of Machinery and Electrical Engineering of Centre South University of Forestry and Technolog

会议类型: 国际会议

会议名称: 2010 IEEE International Conference on Intelligent Computing and Intelligent Systems(2010 IEEE 智能计算与智能系统国际会议 ICIS 2010)

会议地点: 厦门

会议语种:英文

页码: 5-8

在线出版日期: 2010-10-29（万方平台首次上网日期，不代表论文的发表时间）