Calibration of a 32 channel electron cyclotron emission radiometer on the HL-2A tokamak

被引：75
|
作者：
Shi, Z. B. [1 ]
Jiang, M. [1 ]
Huang, X. L. [1 ]
Zhong, W. L. [1 ]
Chen, W. [1 ]
Che, Y. L. [1 ]
Liu, Z. T. [1 ]
Ding, X. T. [1 ]
Yang, Q. W. [1 ]
Duan, X. R. [1 ]
机构：
[1] Southwestern Inst Phys, Chengdu 610041, Peoples R China
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 2014年 / 85卷 / 02期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1063/1.4866640
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A novel 32-channel electron cyclotron emission radiometer has been designed and tested for the measurement of electron temperature profiles on the HL-2A tokamak. This system is based on the intermediate frequency filter detection technique, and has the features of wide working frequency range and high spatial resolution. Two relative calibration methods have been investigated: sweeping the toroidal magnetic field and hopping the output frequency of the local oscillator. Preliminary results show that both methods can ensure reasonable profiles. (C) 2014 AIP Publishing LLC.
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页数：4
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