Multi-channel heterodyne radiometer on HT-7 tokamak
Shanghai（2007）
摘要
A 16 channels heterodyne radiometer is being developed on HT-7 superconducting Tokamak. The received frequencies of the radiometer are from 98 to 126 GHz. The local oscillators are 95 GHz for the low field side and 108.5 GHz for the high field side. After using the SSB mixers, the frequency is down converted to 2-18 GHz and detected by the detectors. The spatial resolution of the system is about 2cm and the time resolution is 1 mus approximately. The electron temperature profile of the core plasma was measured by the ECE radiometer.
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关键词
tokamak devices,millimetre wave detectors,millimetre wave mixers,millimetre wave oscillators,plasma temperature,radiometers,ece radiometer,ht-7 superconducting tokamak,ssb mixers,core plasma,core plasma temperature,electrical cyclotron emission,electron temperature profile,frequency 2 ghz to 18 ghz,frequency 98 ghz to 126 ghz,local oscillators,multichannel heterodyne radiometer,system spatial resolution,time resolution,temporal resolution,electron temperature
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