Ka-band microwave frequency comb doppler reflectometer system for the large helical device

Lhd Experiment Group

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

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.

Original languageEnglish
Article number1402149
JournalPlasma and Fusion Research
Volume9
DOIs
Publication statusPublished - Jan 1 2014

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reflectometers
microwave frequencies
quadratures
acquisition
generators
filters

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

Cite this

Ka-band microwave frequency comb doppler reflectometer system for the large helical device. / Lhd Experiment Group.

In: Plasma and Fusion Research, Vol. 9, 1402149, 01.01.2014.

Research output: Contribution to journalArticle

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abstract = "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.",
author = "{Lhd Experiment Group} and Tokihiko Tokuzawa and Shigeru Inagaki and Akira Ejiri and Ryota Soga and Ichihiro Yamada and Shin Kubo and Mikiro Yoshinuma and Katsumi Ida and Chihiro Suzuki and Kenji Tanaka and Tsuyoshi Akiyama and Naohiro Kasuya and Kimitaka Itoh and Kiyomasa Watanabe and Hiroshi Yamada and Kazuo Kawahata",
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T1 - Ka-band microwave frequency comb doppler reflectometer system for the large helical device

AU - Lhd Experiment Group

AU - Tokuzawa, Tokihiko

AU - Inagaki, Shigeru

AU - Ejiri, Akira

AU - Soga, Ryota

AU - Yamada, Ichihiro

AU - Kubo, Shin

AU - Yoshinuma, Mikiro

AU - Ida, Katsumi

AU - Suzuki, Chihiro

AU - Tanaka, Kenji

AU - Akiyama, Tsuyoshi

AU - Kasuya, Naohiro

AU - Itoh, Kimitaka

AU - Watanabe, Kiyomasa

AU - Yamada, Hiroshi

AU - Kawahata, Kazuo

PY - 2014/1/1

Y1 - 2014/1/1

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