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《Modern Electronics Technique》 2007-01
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Carrier Synchronization of High Dynamic and Short-term Burst Communication System

ZOU Yong,ZHENG Linhua,LIU Shaoyang(Electronic Science & Engineering College,National University of Defense Technology,Changsha,410073,China)  
Carrier synchronization is one of the most important parts of demodulation.The communication of high dynamic and short-term burst communication system is very short,and the frequency is considered no change during the observation,so we can have a frequency correction for the carrier frequency deviation,which makes it come into fast capture bandwidth quickly,and then a phase-lock loop is used to track it for ending of the carrier synchronization.It has been proved that An improved FFT frequency correction technology,which makes carrier frequency deviation come into fast capture bandwidth quickly,is presented to correct frequency.Finally,a simulation analysis for the improved FFT frequency correction technology and phase-lock loop is maked,the result shows that the method also has a good performance in the low SNR situation.
【CateGory Index】: TN914
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【Secondary References】
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2 YI Jin-qiao;TAN Jian-jun;LIAO Hong-hua;SUN Xian-bo;School of Information Engineering,Hubei University for Nationalities;;Research and Realization for the Control System of the Underwater Vehicle Based on Wireless Communication[J];湖北民族学院学报(自然科学版);2014-01
3 DONG Xiao-dong(No.10th Research Institute of China Electronic Technology Group Corporation,Chengdu 610036,China);Carrier large frequency offset estimation algorithm based on FFT for burst mode communication[J];现代电子技术;2013-01
4 FANG Ming,LUO Chun-hui,LI Zong(The 722 Research Institute,China Shipbuilding Industry Corporation,Wuhan 430079,China);Analysis and design of phase detector for detecting tune circuit[J];现代电子技术;2012-05
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