A nonlinear micro-current measurement circuit applied in Langmuir probe
2020 5th International Conference on Mechanical, Control and Computer Engineering (ICMCCE)（2020）
摘要
A nonlinear micro-current measurement circuit suitable for Langmuir probe, capable of operating over a wide range of temperatures is presented. It measures bipolar currents from −100nA to 100μA on a nonlinear scale with a current resolution less than 1pA. This circuit is designed for the diagnosis of ionospheric plasma, which can meet the needs of ionospheric detection in different altitudes and l...
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关键词
Temperature measurement,Temperature distribution,Current measurement,Computational modeling,Plasma measurements,Mechanical variables measurement,Plasmas
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