基于ZC序列调制解调的分布式多通道相位差恢复方法
摘要
数据回传方案带宽开销大,以及局部参数估计方法在低信噪比环境下鲁棒性差的问题,本文提出了一种基于正交
Zadoff-Chu(ZC)序列编码调制解调的分布式阵列相位差恢复方法。利用各节点正交ZC序列对接收信号进行调制
转发,再利用ZC序列的恒模零自相关特性分离各节点的混合信号,从而恢复辐射源到达各节点的相对相位。理论分
析和仿真实验表明,该方法在低信噪比条件下可高精度的恢复原始相对相位信息,具有较强的工程使用价值。
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[1]A. M. Haimovich, R. S. Blum, and L. J. Cimini,
"MIMO radar with widely separated antennas," IEEE Signal
Processing Magazine, vol. 25, no. 1, pp. 116-129, Jan. 2008.
[2]J. Li and P. Stoica, MIMO radar signal processing.
Hoboken, NJ: Wiley, 2009.
[3]H. Godrich, A. M. Haimovich, and R. S. Blum,
"Target localization accuracy gain in MIMO radar-based
systems," IEEE Transactions on Information Theory, vol. 56,
no. 6, pp. 2783-2803, Jun. 2010.
[4]J. A. Nanzer, "Distributed Phased Arrays: Challenges
and Recent Progress," IEEE Distinguished Lecture, 2020.
[5]J. N. Laneman, D. N. C. Tse, and G. W. Wornell,
"Cooperative diversity in wireless networks: Efficient protocols
and outage behavior," IEEE Transactions on Information
Theory, vol. 50, no. 12, pp. 3062-3080, Dec. 2004.
[6]殷丕磊,闫路,张宗傲,杨小鹏,曾涛.基于频
率步进的宽带分布式全相参雷达[J].北京理工大学学报自
然版,2016,36(7):749-754.
[7]曾涛,殷丕磊,杨小鹏,等.分布式全相参雷达
系统时间与相位同步方案研究[J].雷达学报,2013,2(1):
105-110.
[8]殷丕磊,杨小鹏,曾涛.分布式全相参雷达的相
位差跟踪技术[J].信号处理,2013,29(3):313-318.
[9]B. M. Popovic, "Generalized chirp-like polyphase
sequences with optimum correlation properties," IEEE
Transactions on Information Theory, vol. 38, no. 4, pp.
1406-1409, Jul 1992.
[10]曾瑞琪,骆胜阳,刘方正.ZC序列及其调制的
OFDM信号波形特性研究[J].雷达科学与技术,2019,17
(6):625-632.
[11]K. Kim, H. Yang, J. Jang, T. Sun, S. Choi, and J.
Jung, "Online Calibration for LTE-Based Antenna Array
System," International Journal of Antennas and Propagation,
vol. 2016, Article ID 2645870, 2016.
[12]G. Muthukrishnan, S. Sruti, and K. Giridhar, "Using
DCFT for Multi-Target Detection in Distributed Radar
Systems with Several Transmitters," arXiv:2401.00843, 2024.
[13]陆潞,高梅国.分布式阵列雷达基线位置和相位
误差的卫星标校方法[J].电子与信息学报,2019,41(12):
2896-2902.
[14]S. M. Kay, Fundamentals of Statistical Signal
Processing: Estimation Theory. Prentice-Hall, 1993.
[15]S. Sergey et al., "Precise Time-of-Arrival
Estimation Using Zadoff-Chu Sequences for Distributed
Measurement Systems," in 2025 IEEE USBEREIT, pp. 57-
60, May 2025.
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