摘要
为了解决雷达通信系统的一体化问题,提出一种基于正交频分复用(OFDM)的雷达通信一体化信号实现方法。该方法将OFDM和二相编码相结合,信号码元采用二相编码,编码后的信号调制到OFDM的子载波上并行传输。仿真结果表明:基于OFDM和二相编码的一体化信号与OFDM信号的时域波形相同,具有较好的隐蔽性;一体化信号的雷达模糊图呈现理想的“图钉状”,代表该信号的雷达探测能力较好。
In order to solve the integration problem of radar and communication system,an implementation method of integrated radar and communication signal based on orthogonal frequency division multiplexing(OFDM)is proposed.The method combines OFDM with binary phase coding,and the signal elements are encoded by binary phase coding.The encoded signal is modulated to OFDM subcarriers for parallel transmission.The simulation results show that the integrated signal based on OFDM and binary phase coding is the same as OFDM signal in time domain and has better concealment.The radar fuzzy graph of the integrated signal shows an ideal“nail shape”,which represents that the radar detection ability is better with the integrated signal.
作者
郑雨轩
陆满君
张文旭
代雪飞
ZHENG Yu-xuan;LU Man-jun;ZHANG Wen-xu;DAI Xue-fei(School of Information and Communication Engineering,Harbin Engineering University,Harbin 150001,Heilongjiang,China;Key Laboratory of Advanced Marine Communication and Information Technology,Ministry of Industry and Information Technology,Harbin Engineering University,Harbin 150001,Heilongjiang,China;Shanghai Radio Equipment Research Institute,Shanghai 201109,China;Key Laboratory of Dynamic Cognitive System of Electromagnetic Spectrum Space,Ministry of Industry and Information Technology,Nanjing University of AeronautiCvS and Astronautics,Nanjing 211106,Jiangsu,China)
出处
《制导与引信》
2021年第2期18-23,共6页
Guidance & Fuze
基金
黑龙江省自然科学基金(LH2020F020)
南京航空航天大学电磁频谱空间认知动态系统工信部重点实验室基金(KF20181904)。
