基于调频率调制的雷达通信共享信号研究
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摘要
雷达通信一体化可有效提高电子系统的资源共享,是实现电子装备多功能综合一体化的一个重要方向。本文根据Chirp信号的调频率与分数阶傅里叶变换的阶数之间的关系,提出了一种基于Chirp信号调频率的雷达通信共享波形,固定调频率的主载波实现雷达功能,副载波由通信码元键控得到调频率从而实现通信信息调制;主载波与副载波的叠加形式使此共享信号能在不影响雷达性能的前提下实现单脉冲多比特的数据传输,而且利用不同阶数的分数阶傅里叶变换的解调过程具有多普勒稳健性。
Integrated radar and communication system can make full use of radar equipment and play an important role in achievement of multi-functional integration of electronic equipment. A kind of integrated radar and communication signal is proposed based on the relationship between chirp-rate of chirp signal and the order of fractional Fourier transform. Its main carrier adopts the unique chirp signal to implement radar function, while communication information is modulated by the subcarrier with communication code keying chirp-rate chirp signal. The superposition of the main carrier and the subcarrier enables the signal to transmit multi-binary information by single signal without degrading radar's performance. Finally, simulations demonstrate that the proposed signal has an advantage of high robustness.
Integrated radar and communication system can make full use of radar equipment and play an important role in achievement of multi-functional integration of electronic equipment. A kind of integrated radar and communication signal is proposed based on the relationship between chirp-rate of chirp signal and the order of fractional Fourier transform. Its main carrier adopts the unique chirp signal to implement radar function, while communication information is modulated by the subcarrier with communication code keying chirp-rate chirp signal. The superposition of the main carrier and the subcarrier enables the signal to transmit multi-binary information by single signal without degrading radar's performance. Finally, simulations demonstrate that the proposed signal has an advantage of high robustness.
引文
[1]上官瑞春.基于chirp扩频技术的雷达通信一体化研究[D].西安:西安电子科技大学,2012.SHANGGUAN Rui-chun.Research on radarcommunication integration system based on chirped spread-spectrum techniques[D].Xi’an:Xidian University,2012.
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[3]何献武,朱洪伟,唐小明.雷达通用数据链发展概述[J].舰船电子工程,2010,30(9):36-38.HE Xian-wu,ZHU Hong-wei,TANG Xiao-ming.Introduction to radar common data link[J].Ship Electronic Engineering,2010,30(9):36-38.
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[7]TAKASE H,SHINRIKI M.A dual use radar and communication system with complete complementary codes[C]//International Radar Symposium.Gdansk:IEEE,2014.
[8]陈兴波,王小谟,曹晨,等.雷达通信综合化波形设计技术分析[J].现代雷达,2015,35(12):56-63.CHEN Xing-bo,WANG Xiao-mo,CAO Chen,et al.Techniques analysis of radar-communication integrating waveform[J].Modern Radar,2015,35(12):56-63.
[9]李晓柏,杨瑞娟,陈新永,等.基于分数阶傅里叶变换的雷达通信一体化信号共享研究[J].信号处理,2012,28(4):487-494.LI Xiao-bai,YANG Rui-juan,CHEN Xin-yong,et al.The sharing signal for integrated radar and communication based on FRFT[J].Signal Processing,2012,28(4):487-494.
[10]孙延坤.雷达通信一体化波形的机载应用研究[D].成都:电子科技大学,2013.SUN Yan-kun.The airborne applied research of the waveform of radar-communication integration[D].Chengdu:University of Electronic Science and Technology of China,2013.
[11]杨瑞娟,陈小民,李晓柏,等.雷达通信一体化共享信号技术研究[J].空军预警学院学报,2013,27(1):39-43.YANG Rui-juan,CHEN Xiao-min,LI Xiao-bai,et al.Research on signal sharing for radar and communication integration[J].Journal of Air Force Early Warning Academy,2013,27(1):39-43.
[12]肇启明,张钦宇,张乃通,等.多进制chirp-rate键控调制及分数傅里叶变换法解调[J].通信学报,2010,31(6):1-6.ZHAO Qi-min,ZHANG Qin-yu,ZHANG Nai-tong,et al.Multiple chirp-rate shift keying and a demodulation method based on fractional Fourier transform[J].Journal on Communications,2010,31(6):1-6.
[13]赵兴浩,邓兵,陶然.分数阶傅里叶变换数值计算中的量纲归一化[J].北京理工大学学报,2005,25(4):360-364.ZHAO Xing-hao,DENG Bing,TAO Ran.Dimensional normalization in the digital computation of the fractional Fourier transform[J].Transactions of Beijing Institute of Technology,2005,25(4):360-364.
[14]邓兵,陶然,平殿发.基于分数阶Fourier变换的chirprate调制解调方法研究[J].电子学报,2008,36(6):1078-1083.DENG Bing,TAO Ran,PING Dian-fa.Study on chirp-rate modulation and demodulation based on fractional Fourier transform[J].Acta Electronica Sinica,2008,36(6):1078-1083.
[15]PUJARA C,MEHTA P,DESAI U B.Chirp based multiple access technique using fractional Fourier transform[C]//2007 6th International Conference on Information,Communications&Signal Processing.Singapore:IEEE,2007:1301-1305.
[2]TAVIK G C,HILTERBRICK C I,EVINS J B,et al.The advanced multifunction RF concept[J].IEEE Transaction on Microwave Theory and Techniques,2005,53(3):1009-1020.
[3]何献武,朱洪伟,唐小明.雷达通用数据链发展概述[J].舰船电子工程,2010,30(9):36-38.HE Xian-wu,ZHU Hong-wei,TANG Xiao-ming.Introduction to radar common data link[J].Ship Electronic Engineering,2010,30(9):36-38.
[4]刘志鹏.雷达通信一体化波形研究[D].北京:北京理工大学,2015.LIU Zhi-peng.Waveform research on integration of radar and communication[D].Beijing:Beijing Institute of Technology,2015.
[5]TAKAHARA H,OHNO K,ITAMI M.A study on UWB radar assisted by inter-vehicle communication for safety applications[C]//International Conference on Vehicular Electronics and Safety.Turkey:IEEE,2012.
[6]MISHRA A K,INGGS M.FOPEN capabilities of commensal radars based on whitespace communication systems[C]//Electronics,Computing and Communication Technologies.Bangalore:IEEE,2014.
[7]TAKASE H,SHINRIKI M.A dual use radar and communication system with complete complementary codes[C]//International Radar Symposium.Gdansk:IEEE,2014.
[8]陈兴波,王小谟,曹晨,等.雷达通信综合化波形设计技术分析[J].现代雷达,2015,35(12):56-63.CHEN Xing-bo,WANG Xiao-mo,CAO Chen,et al.Techniques analysis of radar-communication integrating waveform[J].Modern Radar,2015,35(12):56-63.
[9]李晓柏,杨瑞娟,陈新永,等.基于分数阶傅里叶变换的雷达通信一体化信号共享研究[J].信号处理,2012,28(4):487-494.LI Xiao-bai,YANG Rui-juan,CHEN Xin-yong,et al.The sharing signal for integrated radar and communication based on FRFT[J].Signal Processing,2012,28(4):487-494.
[10]孙延坤.雷达通信一体化波形的机载应用研究[D].成都:电子科技大学,2013.SUN Yan-kun.The airborne applied research of the waveform of radar-communication integration[D].Chengdu:University of Electronic Science and Technology of China,2013.
[11]杨瑞娟,陈小民,李晓柏,等.雷达通信一体化共享信号技术研究[J].空军预警学院学报,2013,27(1):39-43.YANG Rui-juan,CHEN Xiao-min,LI Xiao-bai,et al.Research on signal sharing for radar and communication integration[J].Journal of Air Force Early Warning Academy,2013,27(1):39-43.
[12]肇启明,张钦宇,张乃通,等.多进制chirp-rate键控调制及分数傅里叶变换法解调[J].通信学报,2010,31(6):1-6.ZHAO Qi-min,ZHANG Qin-yu,ZHANG Nai-tong,et al.Multiple chirp-rate shift keying and a demodulation method based on fractional Fourier transform[J].Journal on Communications,2010,31(6):1-6.
[13]赵兴浩,邓兵,陶然.分数阶傅里叶变换数值计算中的量纲归一化[J].北京理工大学学报,2005,25(4):360-364.ZHAO Xing-hao,DENG Bing,TAO Ran.Dimensional normalization in the digital computation of the fractional Fourier transform[J].Transactions of Beijing Institute of Technology,2005,25(4):360-364.
[14]邓兵,陶然,平殿发.基于分数阶Fourier变换的chirprate调制解调方法研究[J].电子学报,2008,36(6):1078-1083.DENG Bing,TAO Ran,PING Dian-fa.Study on chirp-rate modulation and demodulation based on fractional Fourier transform[J].Acta Electronica Sinica,2008,36(6):1078-1083.
[15]PUJARA C,MEHTA P,DESAI U B.Chirp based multiple access technique using fractional Fourier transform[C]//2007 6th International Conference on Information,Communications&Signal Processing.Singapore:IEEE,2007:1301-1305.