Magnetic pulse compression(MPC)system has been widely-used for over a few decades as a technique for producing short-duration,high-peak-power pulses reliably.A novel MPC system which does not contain external demagnet...Magnetic pulse compression(MPC)system has been widely-used for over a few decades as a technique for producing short-duration,high-peak-power pulses reliably.A novel MPC system which does not contain external demagnetization circuits,has broadened the application of MPC systems.Improvements for novel MPC systems are presented.To meet the required voltage and compression gain and on considering of the overall system efficiency,two kinds of most popular MPC systems based on the improved MPC topology are designed,which are 2-stage MPC system and 3-stage MPC system,respectively.Based on the improved MPC topology,several kinds of compact pulse generators are built in pulsed power and supply technology laboratory of Institute of Electrical Engineering,Chinese Academy of Sciences.These generators illustrate that the improved MPC topology,together with solid state switches provides an ideal way to generate pulses of around 100 nano-seconds in width,with mid and high voltage of 10 kV to 100 kV,and a high repetition frequency of about 30 kHz.展开更多
提出了将射频直接采样数字化的接收方式应用于数字电离层测高仪系统的设计方案,并详细介绍了该方案在CAS-DIS(Chinese Academy of Sciences,Digital Ionosonde)电离层测高仪系统的应用,给出了CAS-DIS电离层测高仪在中国武汉电离层探测...提出了将射频直接采样数字化的接收方式应用于数字电离层测高仪系统的设计方案,并详细介绍了该方案在CAS-DIS(Chinese Academy of Sciences,Digital Ionosonde)电离层测高仪系统的应用,给出了CAS-DIS电离层测高仪在中国武汉电离层探测标校试验场和武汉-北京斜向电离层探测系统中的实验结果.观测结果表明,采用本文提出的数字化方案设计的电离层测高仪系统性能优越,且可以分别工作在垂直和斜向探测模式,满足了电离层探测的多种应用需求.展开更多
基金Project supported by National Natural Science Foundation of China （50907068, 51222701 ）, National Basic Research Program of China （973 Program） （2011 CB209402）, Opening Project of State Key Laboratory of Electrical Insulation and Power Equipment in Xi＇an Jiaotong University （EIPE12204）.
文摘Magnetic pulse compression(MPC)system has been widely-used for over a few decades as a technique for producing short-duration,high-peak-power pulses reliably.A novel MPC system which does not contain external demagnetization circuits,has broadened the application of MPC systems.Improvements for novel MPC systems are presented.To meet the required voltage and compression gain and on considering of the overall system efficiency,two kinds of most popular MPC systems based on the improved MPC topology are designed,which are 2-stage MPC system and 3-stage MPC system,respectively.Based on the improved MPC topology,several kinds of compact pulse generators are built in pulsed power and supply technology laboratory of Institute of Electrical Engineering,Chinese Academy of Sciences.These generators illustrate that the improved MPC topology,together with solid state switches provides an ideal way to generate pulses of around 100 nano-seconds in width,with mid and high voltage of 10 kV to 100 kV,and a high repetition frequency of about 30 kHz.
文摘提出了将射频直接采样数字化的接收方式应用于数字电离层测高仪系统的设计方案,并详细介绍了该方案在CAS-DIS(Chinese Academy of Sciences,Digital Ionosonde)电离层测高仪系统的应用,给出了CAS-DIS电离层测高仪在中国武汉电离层探测标校试验场和武汉-北京斜向电离层探测系统中的实验结果.观测结果表明,采用本文提出的数字化方案设计的电离层测高仪系统性能优越,且可以分别工作在垂直和斜向探测模式,满足了电离层探测的多种应用需求.
