シンポジウム: スポーツ・アンド・ヒューマン・ダイナミクス講演論文集
Online ISSN : 2432-9509
セッションID: C-31
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高精度 GNSS を用いたクロスカントリースキーのレースコース計測
*宮本 直人竹田 正樹森本 達郎三浦 隆治畠山 望宮本 明張山 昌論Thomas StöggleOlli OhtonenTeemu LemmettylläVesa LinnamoStefan Josef Lindinger
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We have measured the 3D course profile of a cross-country ski course at Vuokatti in Finland using a survey-grade real-time kinematic GPS, Trimble R8, which has millimeter-level positioning accuracy. We have also measured the course profile at the same time using three GPS/GNSS receivers, AT-H-02, Physilog4 and Galaxy S5, and compared the positioning accuracy with Trimble R8 as gold standard. The AT-H-02 is a portable post-processing kinematic GNSS receiver especially for sport purpose. The Physilog4 is a portable differential GPS and the Galaxy S5 is a smartphone with built-in assisted GNSS. From the measurement results it was found that only the AT-H-02 can measure the course profile with millimeter-level positioning accuracy as well as the Trimble R8. The Physilog4 and Galaxy S5 have a few-meter positioning accuracy, which is not enough for 3D course profile measurement of cross-country ski race.

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