Preliminary Simulation Study of Doppler Reflectometry

DOI Web Site 参考文献5件
  • ISHII Yuta
    Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan
  • HOJO Hitoshi
    Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan
  • MASE Atsushi
    Art, Science and Technology Center for Cooperative Research, Kyushu University, Kasuga 816-8580, Japan
  • YOSHIKAWA Masashi
    Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan
  • ICHIMURA Makoto
    Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan
  • HARAGUCHI Yusuke
    Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan
  • IMAI Tsuyoshi
    Plasma Research Center, University of Tsukuba, Tsukuba 305-8577, Japan

抄録

A preliminary simulation study of Doppler reflectometry is performed. The simulations solve Maxwell's equations by a finite difference time domain (FDTD) code method in two dimensions. A moving corrugated metal target is used as a plasma cutoff layer to study the basic features of Doppler reflectometry. We examined the effects of the full width at half maximum (FWHM) of the electromagnetic waves and the corrugation depth of the metal target. Furthermore, the effect of a nonuniform plasma is studied using this FDTD analysis. The Doppler shift and velocity are compared with those obtained from FDTD analysis of a uniform plasma.

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