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作 者:田云峰 胡斌 王志巧 王心洋 何伟 贾琳 TIAN Yunfeng;HU Bin;WANG Zhiqiao;WANG Xinyang;HE Wei;JIA Lin(Beijing Institute of Radio Metrology and Measurement,Beijing 100039,China)
出 处:《宇航计测技术》2024年第5期61-67,共7页Journal of Astronautic Metrology and Measurement
摘 要:针对新一代雷达、通信等电子设备测试和复杂电磁环境构建等对宽带矢量捷变信号的应用需求,综合运用直接模拟频率合成(Direct Analog Synthesis,DAS)、锁相频率合成(Phase-Locked Loop,PLL)、直接数字频率合成(Direct Digital Synthesis,DDS)、I/Q数字矢量调制等信号产生方式,进行了宽带矢量捷变信号产生技术研究,突破了频率捷变、功率捷变、调制捷变、高速时序同步及控制、复杂电磁信号产生等关键技术,所研制的矢量捷变信号源融合了矢量信号源、捷变信号源、低相位噪声信号源的优势,实现了40 GHz频率范围、100 ns捷变时间、1 GHz瞬时带宽等先进技术指标。In order to meet the needs of wide band agile vector signals for the test of radar systems,communication equipment and the construction of complex electromagnetic environment,using many kinds of ways simultaneously to generate the signal,such as Direct Analog Synthesis(DAS),Phase-Locked Loop(PLL)synthesis,Direct Digital Synthesis(DDS),I/Q digital vector modulate etc.,agile vector signal generate technology is researched.Many key technologies,such as frequency agility,amplitude agility,modulation agility,high speed time synchronization and control,complex electromagnetic signals generation etc.,are broken through.The agile vector signal generator is combinated with the advantages of vector signal generator,agile signal generator and low phase noise signal generator.The advanced technical indicators,such as 40 GHz frequency range,100 ns agile time,1 GHz instantaneous bandwidth etc.,are realized.
分 类 号:TH89[机械工程—仪器科学与技术] V44[机械工程—精密仪器及机械]
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