Radio Science

Special Issue of the 2010 Asia-Pacific Radio Science Conference

Asia-Pacific Radio Science Conference 2010

    1. You have free access to this content
      Improvement of equatorial density distribution of the global core plasma model using GPS-derived TEC

      Y. Goto, Y. Kasahara and T. Ide

      Version of Record online: 16 MAR 2012 | DOI: 10.1029/2011RS004763

      Key Points

      • Statistical accuracy of the global core plasma model is examined
      • A remarkable feature in bias errors in the GCPM-derived TEC is revealed
      • Altitude distribution of the GCPM error is examined in the equatorial region
    2. You have free access to this content
      Estimation of the strike angle of an empty tunnel in different rocks using a cross-borehole pulse radar

      Sang-Wook Kim and Se-Yun Kim

      Version of Record online: 13 JAN 2012 | DOI: 10.1029/2011RS004741

      Key Points

      • Extension of geophysic paper published in 2010
      • Penetration angle estimation of a tunnel by short pulse cross-borehole radar
      • Effect of background rock on the tunnel penetration angle
    3. You have free access to this content
      Observation of planetary radio emissions using large arrays

      J.-M. Grießmeier, P. Zarka and J. N. Girard

      Version of Record online: 14 DEC 2011 | DOI: 10.1029/2011RS004752

      Key Points

      • Good instruments are available for ground-based planetary radio studies
      • LOFAR can be expected to bring considerable advances to planetary radio science
    4. You have free access to this content
      Five-band microwave radiometer system for noninvasive brain temperature measurement in newborn babies: Phantom experiment and confidence interval

      T. Sugiura, H. Hirata, J. W. Hand, J. M. J. Van Leeuwen and S. Mizushina

      Version of Record online: 19 NOV 2011 | DOI: 10.1029/2011RS004736

      Key Points

      • Precision was 0.7°C and accuracy was about 2°C
      • Phantom experiment of a five-band microwave radiometer system
      • Microwave radiometer for noninvasive temperature monitoring of brain
    5. You have free access to this content
      Calibratability and its impact on configuration design for the LOFAR and SKA phased array radio telescopes

      S. J. Wijnholds, J. D. Bregman and A. van Ardenne

      Version of Record online: 8 NOV 2011 | DOI: 10.1029/2011RS004733

      Key Points

      • Definition of calibratability of radio telescope arrays
      • Derivation of antenna array requirements based on calibratability
      • Impact of calibratability on design of LOFAR and SKA aperture arrays
    6. You have free access to this content
      A study on characteristics of EM radiation from stripline structure

      Yoshiki Kayano and Hiroshi Inoue

      Version of Record online: 29 OCT 2011 | DOI: 10.1029/2011RS004735

      Key Points

      • EM radiation from a stripline structure with a ground thin wire is studied
      • The frequency response of EM radiation can be identified by the circuit model
      • The circuit model can be used to develop physical insights and design guideline
    7. You have free access to this content
      Numerical validations of neural-network-based ionospheric tomography for disturbed ionospheric conditions and sparse data

      S. Hirooka, K. Hattori and T. Takeda

      Version of Record online: 25 OCT 2011 | DOI: 10.1029/2011RS004760

      Key Points

      • Validation of neural-network-based tomography
      • Improvement of reconstruction accuracy
      • Reconstruction of disturbed ionosphere and sparse data
    8. You have free access to this content
      Validation of emission measurement site above 1 GHz

      Toshihide Tosaka and Yukio Yamanaka

      Version of Record online: 22 SEP 2011 | DOI: 10.1029/2011RS004728

      Key Points

      • Validation of emission measurement site above 1 GHz
    9. You have free access to this content
      A locally one-dimensional finite difference time domain method for the analysis of a periodic structure at oblique incidence

      Y. Wakabayashi, J. Shibayama, J. Yamauchi and H. Nakano

      Version of Record online: 9 SEP 2011 | DOI: 10.1029/2011RS004730

      Key Points

      • A periodic LOD-FDTD method is developed for the analysis at oblique incidence
      • The dispersion control parameters are introduced to reduce the dispersion error
      • The computational time is reduced to ∼16% of that of the explicit FDTD method
    10. You have free access to this content
      A newly developed UHF radiotelescope for interplanetary scintillation observations: Solar Wind Imaging Facility

      M. Tokumaru, M. Kojima, K. Fujiki, K. Maruyama, Y. Maruyama, H. Ito and T. Iju

      Version of Record online: 25 AUG 2011 | DOI: 10.1029/2011RS004694

      Key Points

      • A UHF radiotelescope dedicated to interplanetary scintillation observations
      • A unique design of the radiotelescope
      • A high sensitivity for radio astronomical observations