Ka-band Microwave Frequency Comb Doppler Reflectometer System for the Large Helical Device
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....
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| Veröffentlicht in: | Plasma and Fusion Research 2014/12/26, Vol.9, pp.1402149-1402149 |
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| container_end_page | 1402149 |
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| container_title | Plasma and Fusion Research |
| container_volume | 9 |
| creator | TOKUZAWA, Tokihiko INAGAKI, Shigeru EJIRI, Akira SOGA, Ryota YAMADA, Ichihiro KUBO, Shin YOSHINUMA, Mikiro IDA, Katsumi SUZUKI, Chihiro TANAKA, Kenji AKIYAMA, Tsuyoshi KASUYA, Naohiro ITOH, Kimitaka WATANABE, Kiyomasa YAMADA, Hiroshi KAWAHATA, Kazuo Group, LHD Experiment |
| description | 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. |
| doi_str_mv | 10.1585/pfr.9.1402149 |
| format | Article |
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| fulltext | fulltext |
| identifier | ISSN: 1880-6821 |
| ispartof | Plasma and Fusion Research, 2014/12/26, Vol.9, pp.1402149-1402149 |
| issn | 1880-6821 1880-6821 |
| language | eng |
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| source | J-STAGE (Japan Science & Technology Information Aggregator, Electronic) Freely Available Titles - Japanese; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | density fluctuation Doppler reflectometer frequency comb microwave poloidal velocity |
| title | Ka-band Microwave Frequency Comb Doppler Reflectometer System for the Large Helical Device |
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