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基于仿真计算的辐射源信号生成方法研究

Research on the generation method for radiation source signal based on simulation calculation
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摘要 为提高复杂电磁环境中辐射源信号的生成效率和逼真度,提出了一种基于仿真软件驱动实际信号生成的辐射源信号产生方法。首先,通过Matlab仿真计算得到任意辐射源信号(以辐射源信号中的LFM信号为例);其次,利用LabVIEW设计出相应的I/Q信号读取及发射单元;最后,经任意波形信号发生器生成射频信号。试验表明,利用计算机软件仿真出的辐射源信号与实际生成的射频信号相一致,该方法为实现快速仿真生成任意辐射源信号及其可视化研究提供了技术支持,独立的读取单元减少了系统内存的占用,具有一定的工程实践意义。 To improve the generating efficiency and fidelities of radiation source signals in the complex electromagnetic environment,a radiation-source generating method which is based on the theory that simulation softwares drive the actual signals,generating was put forward.First of all,any source signal was obtained by using MATLAB simulation(LFM signal of radiation source signals was taken for instance);secondly,I/Q signal reading and launching units was designed by using LabVIEW;finally,radio frequency signals were generated by the arbitrary waveform signal generator.The results show that radiation-source signals generated by the use of computer software simulation was consistent with the actual radio frequency signals.Technical support can be provided by using this method for realizing the fast simulation to generate arbitrary source signals and its visualization study.W hat?s more,the system memory occupation was reduced due to independent reading units which show that the method is practical and significant in engineering.
作者 姜博文 刘天林 姜勤波 郭金库 齐世举 Jiang Bowen;Liu Tianlin;Jiang Qinbo;Guo Jinku;Qi Shiju(Rocket Force University of Engineering, Xi’an 710025,Shanxi, China)
机构地区 火箭军工程大学
出处 《航天电子对抗》 2017年第5期32-35,共4页 Aerospace Electronic Warfare
基金 国家自然科学基金(64201120)
关键词 仿真计算 辐射源信号 信号生成 simulation calculate radiation source signals signal generation
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