【作者】 白帆； 崔占忠；

【Author】 BAI Fan;CUI Zhan-Zhong;Shenyang Ligong University,School of Equipment Engineering;Beijing Institute of Technology,National Key Laboratory of Mechatronics Engineering and Control;

【机构】 沈阳理工大学装备工程学院； 北京理工大学机电工程与控制国家重点实验室；

【摘要】 分析了电晕放电的辐射频谱,并考虑到负电晕放电所产生的特里切尔脉冲的独特现象,提出了一种检测负电晕放电辐射信号的VHF接收机。通过针—板结构放电实验发现,负电晕放电的辐射信号具有一定的周期性,频率覆盖在200MHz以内,并且对辐射信号中不同频率分量的出现有一定先后顺序。在此基础上对接收机进行了研制并进行了测试。测试表明接收机满足性能要求。更多还原

【Abstract】 In this paper,they analyzed the radiation frequency spectrum of negative corona discharge and special phenomenon of Trichel pulse caused by corona discharge to propose a design for VHF receiver used to measure negative corona discharge radiation signal.According to needle-plate structure discharge experiment,we found that the negative corona discharge radiation signals has a certain periodicity,and covers over 200 MHz.The emergence of the different frequency components in the radiation signal has a certain order.Based on these conclusions,the paper presents a receiver design and a target recognition method.Through experimental verification,the receiver achieves performance requirements.更多还原