基于Matlab/Simulink的电离层探测系统仿真设计Simulation design of ionospheric sounding system based on Matlab/Simulink
王宁,杨国斌,刘桐辛,兰婷,周晨,姜春华
摘要(Abstract):
为了评估电离层探测系统性能,研究了电离层信道的传播特性,完成电离层探测系统的仿真建模及后续的数据处理。系统采用伪随机二相编码调制方式,选取Watterson信道模型仿真电离层信道,以超外差接收机和正交解调方式完成回波信号的采集,最后利用武汉大学电离层实验室的雷达数据处理软件对得到的数据进行处理,得到高质量的双时响应图和散射函数图。仿真结果验证电波在电离层中传播时受到的各项影响,确定系统性能最佳时各模块的参数,表明该模型能够用以指导实际电离层探测系统的设计和研发。
关键词(KeyWords): 电离层探测系统;仿真建模;伪随机二相编码;Watterson信道;超外差接收机;正交解调
基金项目(Foundation): 国家自然科学基金资助(41604133);国家自然科学基金资助(41304127)~~
作者(Author): 王宁,杨国斌,刘桐辛,兰婷,周晨,姜春华
DOI: 10.16652/j.issn.1004-373x.2018.06.001
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