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An accurate automated technique for quasioptics measurement of the microwave diagnostics for fusion plasma

An accurate automated technique for quasioptics measurement of the microwave diagnostics for fusion plasma
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摘要 A new integrated technique for fast and accurate measurement of the quasi-optics, especially for the microwave/millimeter wave diagnostic systems of fusion plasma, has been developed. Using the LabVIEW-based comprehensive scanning system, we can realize not only automatic but also fast and accurate measurement, which will help to eliminate the effects of temperature drift and standing wave/multi-reflection. With the Matlab-based asymmetric two-dimensional Gaussian fitting method, all the desired parameters of the microwave beam can be obtained. This technique can be used in the design and testing of microwave diagnostic systems such as reflectometers and the electron cyclotron emission imaging diagnostic systems of the Experimental Advanced Superconducting Tokamak. A new integrated technique for fast and accurate measurement of the quasi-optics, especially for the microwave/millimeter wave diagnostic systems of fusion plasma, has been developed. Using the LabVIEW-based comprehensive scanning system, we can realize not only automatic but also fast and accurate measurement, which will help to eliminate the effects of temperature drift and standing wave/multi-reflection. With the Matlab-based asymmetric two-dimensional Gaussian fitting method, all the desired parameters of the microwave beam can be obtained. This technique can be used in the design and testing of microwave diagnostic systems such as reflectometers and the electron cyclotron emission imaging diagnostic systems of the Experimental Advanced Superconducting Tokamak.
出处 《Plasma Science and Technology》 SCIE EI CAS CSCD 2017年第8期30-36,共7页 等离子体科学和技术(英文版)
基金 supported by National Natural Science Foundation of China(Grant Nos.10990211,11475173) the ITER Domestic Program of China(Grant Nos.2013GB106002,2014GB109002)
关键词 diagnostics microwave drift millimeter optics desired eliminate automated fitting asymmetric diagnostics microwave drift millimeter optics desired eliminate automated fitting asymmetric
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