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A low cost meteor observation system using radio forward scattering and the interferometry technique

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Abstract

We present a low cost meteor observation system based on the radio forward scattering and interferometry technique at Kochi University of Technology (KUT). The system can be a suitable model for low budget educational institutes that target practical learning of astronomical objects and upper atmospheric characteristics. The system methodology for the automatic counting of meteor echoes, filtering noise and detecting meteor echo directions is described. Detection of the meteor echo directions, which is the basic element for determining the meteor trajectories and the orbital parameters of parent comets, is based on a software system developed for analysis of phase differences detected by interferometry. Randomly selected observation samples measured by the radio interferometer are compared to simultaneous optical observations by video cameras to verify the system accuracy. Preliminary error analysis revealed that the system accuracy is directly related to the duration of observed meteor echoes. Eighty percent of meteor echo samples with durations longer than 3 s showed agreement in azimuth and elevation angles measurements to within a 10° error range, while meteor echo samples with shorter durations showed lower agreement levels probably due to the low system sampling resolution of 0.1 s. The reasonable agreement level of meteor echoes with duration longer than 3 s demonstrated the applicability of the system methodology. Accurate observation of shorter duration meteor echoes could possibly be achieved by improving the system resolution.

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Acknowledgments

The authors thank Kazuya Noguchi for his valuable contribution to this work. They are also grateful for Kimio Maegawa for the long-term operation of continuous beacon transmission from Sabae station.

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Authors and Affiliations

  1. Electronic and Photonic Systems Engineering, Kochi University of Technology, Kami city, Kochi, Japan, 782-8502

    Waleed Madkour, Masa-yuki Yamamoto, Yoshihiro Kakinami & Satoshi Mizumoto

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  1. Waleed Madkour
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  2. Masa-yuki Yamamoto
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  3. Yoshihiro Kakinami
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  4. Satoshi Mizumoto
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Correspondence to Waleed Madkour.

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Madkour, W., Yamamoto, My., Kakinami, Y. et al. A low cost meteor observation system using radio forward scattering and the interferometry technique. Exp Astron 41, 243–257 (2016). https://doi.org/10.1007/s10686-015-9488-4

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  • DOI: https://doi.org/10.1007/s10686-015-9488-4

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