Real-time data processing method for CO2 dispersion interferometer on EAST

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外文摘要：A real-time data processing system is designed for the carbon dioxide dispersion interferometer(CO2-DI)on EAST.The system utilizes the parallel and pipelining capabilities of an field-programmable gate array(FPGA)to digitize and process the intensity of signals from the detector.Finally,the real-time electron density signals are exported through a digital-to-analog converter(DAC)module in the form of analog signals.The system has been successfully applied in the CO2-DI system to provide low-latency electron density input to the plasma control system on EAST.Experimental results of the latest campaign with long-pulse discharges on EAST(2022-2023)demonstrate that the system can respond effectively in the case of rapid density changes,proving its reliability and accuracy for future electron density calculation.

外文关键词：

dispersion interferometerreal-timeelectron densityFPGAEAST

作者：

张家敏、姚远、刘郁阳、储宇奇、阮天翼、张耀、刘海庆、揭银先、凌必利

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作者单位：

Institute of Plasma Physics,Hefei Institutes of Physical Science,Chinese Academy of Sciences,Hefei 230031,People's Republic of China

University of Science and Technology of China,Hefei 230026,People's Republic of China

University of California Los Angeles,Los Angeles,California 90095,United States of America

出版年：

2024

DOI：