Ka-band Microwave Frequency Comb Doppler Reflectometer System for the Large Helical Device
Ka-band Microwave Frequency Comb Doppler Reflectometer System for the Large Helical Device
复制标题
大型螺旋装置Ka波段微波频梳多普勒反射仪系统
DOI：
10.1585/pfr.9.1402149
复制
发表时间：
2014
影响因子：
0.8
通讯作者：
K. Kawahata
中科院分区：
文献类型：
--
作者：
T. Tokuzawa;S. Inagaki;A. Ejiri;R. Soga;I. Yamada;S. Kubo;M. Yoshinuma;K. Ida;C. Suzuki;Kenji Tanaka;T. Akiyama;N. Kasuya;K. Itoh;Kiyomasa Y. Watanabe;H. Yamada;K. Kawahata
以梳状频率产生器为光源，构建了一套用于大型螺旋装置的ka波段多通道多普勒反射仪系统。利用滤波器组系统进行了精确的正交位相检测，在LHD等离子体实验中获得了初步的背向散射波。此外，还成功地展示了一种直接数字信号采集系统，该系统可提供更多的多通道测量。C©2014日本等离子体科学与核聚变研究学会
A ka-band multi-channel Doppler reflectometer system was constructed for the Large Helical Device (LHD) using a comb frequency generator as a source. A filter bank system is utilized for precise quadrature phase detection, and preliminary back-scattered waves were obtained in LHD plasma experiments. In addition, a direct digital signal acquisition system was successfully demonstrated for providing a greater number of multi-channel measurements. c © 2014 The Japan Society of Plasma Science and Nuclear Fusion Research