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- W1517602677 abstract "The present situation of wireless communication in the coal mine underground is introduced. The ultra wideband (UWB) wireless communication technology is proposed to be used in the coal mine underground. According to the amplitude-frequency characteristics of UWB pulse, the theory of transistor avalanche effect and its operation principle is analyzed in detail. In this way multi level parallel and simultaneous trigger narrow pulse generation circuit is designed and realized by simulation, which can increase amplitude of pulse, decrease delay and breadth of pulse. The circuit can work stably and has high reliability, which can be used in different communication fields by correcting its parameters." @default.
- W1517602677 created "2016-06-24" @default.
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- W1517602677 date "2010-07-29" @default.
- W1517602677 modified "2023-09-27" @default.
- W1517602677 title "The research of ultra-wideband narrow pulse circuit based on avalanche effect theory" @default.
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