A Carrier Synchronization Algorithm for AutonomousRadio Receiver in Deep Space

被引：0
作者：
SONG Qingping
LIU Rongke
机构：
[1] SchoolofElectronicandInformationEngineering,BeihangUniversity
来源：
空间科学学报 | 2015年 / 03期
关键词：
Deep space communication; Autonomous radio; Carrier synchronization; Detection strategy; Detection probability;
D O I：
暂无
中图分类号：
V443 [电子设备];
学科分类号：
摘要：
The carrier synchronization algorithm of the autonomous radio for deep space is studied.When the signal modulation is unknown,this paper improves the existing universal carrier synchronization loop for multiple modulations,expands the frequency tracking range of the loop,proposes a Tong detection-based M-ary Phase Shift Keying(M-PSK)signal locking detection algorithm to rapidly and effectively determine whether the current phase discrimination mode matches the modulation mode,so as to independently choose whether to switch the phase discrimination mode.Through theoretical analysis and comparison,it is described that the total detection probability of the algorithm proposed in this paper is significantly higher than the probability of single lock detection.Simulation results show that the algorithm has high detection probabiUty and low computational complexity at a low signal to noise ratio.
引用
收藏
页码：343 / 349
页数：7
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