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一种新的基于互相关的同频同相调整方法
杨凌,陈精杰,郝杭州
0
(兰州大学 信息科学与工程学院,兰州 730000;解放军63756部队,山东 青岛 26611 4)
摘要:
针对目前常用同频同相调 整方法的缺陷(如受限于调制信号类型),提出了一种基于互相关的同频同相调整方法。对 新方法进行了严密的数学阐述,表明该方法不受信号调制类型的影响,并分别基于MATLAB仿 真平台和实际硬件测试平台验证了新方法的可行性和有效性。
关键词:  航天测控  分集接收  最大比合成  同频同相调整  互相关
DOI:
基金项目:
A New Algorithm of Same Frequency and Phase Adjustment Based on Cross correlation
YANG Ling,CHEN Jing-jie,HAO Hang-zhou
(School of Information Science and Engineering,Lanzhou University,Lanzhou 7 30000,China;Unit 63756 of PLA, Qingdao 266114,China)
Abstract:
In view of the defects of commonly-used same frequency and phase adjustment meth ods such as limitation by the types of modulated si gnals, this paper proposes a new adjustment algorithm based on cross-correlatio n.The rigorous mathematical exposition of the new method shows that the method is not influenced by the type of modula tion. Both MATLAB simul ation and actual hardware test verify the feasi bility and effectiveness of the new method.
Key words:  aerospace TT&C;diverse receiver  maximal ratio combining  same frequency and phase adjustment  cross cor relation