Journal
REVIEW OF SCIENTIFIC INSTRUMENTS
Volume 85, Issue 7, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4891040
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Funding
- National Magnetic Confinement Fusion Science Program of China [2011GB101004, 2011GB107003, 2014GB106000, 2014GB106003]
- National Natural Science Foundation of China [11021565, 11275234, 11305215]
- JSPS-NRF-NSFC A3 Foresight Program in the field of Plasma Physics (NSFC) [11261140328]
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A 32-channel heterodyne radiometer has been developed for the measurement of electron cyclotron emission (ECE) on the experimental advanced superconducting tokamak (EAST). This system collects X-mode ECE radiation spanning a frequency range of 104-168 GHz, where the frequency coverage corresponds to a full radial coverage for the case with a toroidal magnetic field of 2.3 T. The frequency range is equally spaced every 2 GHz from 105.1 to 167.1 GHz with an RF bandwidth of similar to 500 MHz and the video bandwidth can be switched among 50, 100, 200, and 400 kHz. Design objectives and characterization of the system are presented in this paper. Preliminary results for plasma operation are also presented. (C) 2014 AIP Publishing LLC.
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