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A Carrier Synchronization Algorithm for Autonomous Radio Receiver in Deep Space

Song Qingping Liu Rongke

Song Qingping, Liu Rongke. A Carrier Synchronization Algorithm for Autonomous Radio Receiver in Deep Space[J]. 空间科学学报, 2015, 35(3): 343-349. doi: 10.11728/cjss2015.03.343
引用本文: Song Qingping, Liu Rongke. A Carrier Synchronization Algorithm for Autonomous Radio Receiver in Deep Space[J]. 空间科学学报, 2015, 35(3): 343-349. doi: 10.11728/cjss2015.03.343
Song Qingping, Liu Rongke. A Carrier Synchronization Algorithm for Autonomous Radio Receiver in Deep Space[J]. Journal of Space Science, 2015, 35(3): 343-349. doi: 10.11728/cjss2015.03.343
Citation: Song Qingping, Liu Rongke. A Carrier Synchronization Algorithm for Autonomous Radio Receiver in Deep Space[J]. Journal of Space Science, 2015, 35(3): 343-349. doi: 10.11728/cjss2015.03.343

A Carrier Synchronization Algorithm for Autonomous Radio Receiver in Deep Space

doi: 10.11728/cjss2015.03.343
基金项目: Supported by Program for New Century Excellent Talents in University (NCET-12-0030), and National Natural Science Foundation of China (91438116)
详细信息
  • 中图分类号: V443

A Carrier Synchronization Algorithm for Autonomous Radio Receiver in Deep Space

Funds: Supported by Program for New Century Excellent Talents in University (NCET-12-0030), and National Natural Science Foundation of China (91438116)
  • 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 probability and low computational complexity at a low signal to noise ratio.

     

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出版历程
  • 收稿日期:  2014-09-20
  • 修回日期:  2015-03-04
  • 刊出日期:  2015-05-15

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