VCR-LFM-BPSK signal design for countering advanced interception technologies

doi:10.23919/JSEE.2021.000031

Journal of Systems Engineering and Electronics ›› 2021, Vol. 32 ›› Issue (2): 380-388.doi: 10.23919/JSEE.2021.000031

• ELECTRONICS TECHNOLOGY • Previous Articles Next Articles

VCR-LFM-BPSK signal design for countering advanced interception technologies

Shanshan WANG(), Zheng LIU*(), Rong XIE(), Jingjing WANG()

¹ National Laboratory of Radar Signal Processing, Xidian University, Xi’an 710071, China

Received:2020-07-05 Online:2021-04-29 Published:2021-04-29
Contact: Zheng LIU E-mail:18392138259@163.com;lz@xidian.edu.cn;rxie@mail.xidian.edu.cn;wangjj0523@163.com
About author:|WANG Shanshan was born in 1996. She received her B.S. degree in communication engineering from Qufu University, Qufu, China, in 2017. She is currently working toward her Ph.D. degree in the National Laboratory of Radar Signal Processing, Xidian University, Xi’an. Her major research interest is multiple-input multiple-output (MIMO) radar signal processing with emphasis on waveform designing. E-mail: 18392138259@163.com||LIU Zheng was born in 1964. He received his B.S., M.S., and Ph.D. degrees in 1985, 1991, and 2000, respectively. He is currently a professor, a doctoral director, and the vice director of the National Laboratory of Radar Signal Processing with Xidian University, Xi’an, China. His research interests include the theory and system design of radar signal processing, precision guiding technology, and multi-sensor data fusion. E-mail: lz@xidian.edu.cn||XIE Rong was born in 1982. He received his B.S., M.S. and Ph.D. degrees from Xidian University, Xi’an, China, in 2003, 2006, and 2011, respectively. He is currently an associate professor at the National Laboratory of Radar Signal Processing, Xidian University. His major research interests are multiple-input multiple-output (MIMO) radar signal processing, target motion parameter estimation, and real-time implementation. E-mail: rxie@mail.xidian.edu.cn||WANG Jingjing was born in 1993. She received her B.S. degree in information countermeasure technology from Xidian University, Xi’an, China, in 2015. She is currently pursuing her Ph.D. degree in signal processing at the National Laboratory of Radar Signal Processing. Her research interests include radar high resolution range profile (HRRP) target recognition and polarization information processing. E-mail: wangjj0523@163.com
Supported by:
This work was supported by the Equipment Pre-research Field Foundation of China (61404150102) and the National Postdoctoral Program for Innovative Talents (BX20180240);This work was supported by the Equipment Pre-research Field Foundation of China (61404150102) and the National Postdoctoral Program for Innovative Talents (BX20180240)

Abstract

Abstract:

The hybrid waveform of linear frequency modulation and binary phase shift keying (LFM-BPSK) can take advantages of the LFM and BPSK signals, and reduce the defects of them. However, with the development of interception technology for the LFM-BPSK signal, the application of the signal is limited. In this paper, to improve the anti-interception performance of the hybrid waveform, a new waveform of LFM-BPSK with the varying chirp rate (denoted as VCR-LFM-BPSK) is designed. In this design, based on the working principle of the interception frame for the LFM-BPSK signal, different chirp rates are introduced in different sub-pulses to prevent the signal from being intercepted by the frame. Then, to further improve the anti-interception performance of the VCR-LFM-BPSK signal, the chirp rates are optimized by minimizing the interception capability of the interceptor. Moreover, based on the VCR-LFM-BPSK signal with the optimized chirp rates, the binary phases are designed via a multi-objective Pareto optimization to improve the capabilities of autocorrelation and spectrum. Simulation results demonstrate that the designed VCR-LFM-BPSK signal outperforms the traditional LFM-BPSK signal in countering the advanced interception technologies.

Key words: hybrid waveform, waveform design, anti-interception, optimization

Shanshan WANG, Zheng LIU, Rong XIE, Jingjing WANG. VCR-LFM-BPSK signal design for countering advanced interception technologies[J]. Journal of Systems Engineering and Electronics, 2021, 32(2): 380-388.

Figures/Tables 16

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Doppler shift/MHz	MW/s	RMS/dB	MG/dB
0	${\rm{9}}{\rm{.44}} \times {\rm{1}}{{\rm{0}}^{{\rm{ - 7}}}}$	${\rm{17}}.94$	$0$
0.1	$1.04 \times {\rm{1}}{{\rm{0}}^{{\rm{ - 6}}}}$	$13.66$	${\rm{ - 1}}.51$

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VCR-LFM-BPSK signal design for countering advanced interception technologies

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