"Shinnosuke Hirata,Quan Sun,Masato Ueda,Hiroyuki Hachiya","Measurement of road surfaces by reflection characteristics of airborne ultrasound",,"Acoustical Science and Technology",,"Vol. 37","No. 6","pp. 322-325",2016,Nov. "Shinnosuke Hirata,Quan Sun,Masato Ueda,Hiroyuki Hachiya","Measurement of reflection characteristics of road surfaces using airborne ultrasound","USE2015 The 36th Symposium on Ultrasonic Electronics","Proceedings of Symposium on Ultrasonic Electronics",,"Vol. 36",," 3P2-4",2015,Nov. "上田 将人,孫 権,平田 慎之介,蜂屋 弘之","空中超音波の反射特性による路面の表面形状の計測","アコースティックイメージング研究会","日本音響学会 アコースティックイメージング研究会資料","日本音響学会",,,,2015,Oct. "孫 権,平田 慎之介,蜂屋 弘之","空中超音波を用いた路面の表面パラメータの計測","日本音響学会 2015年秋季研究発表会","日本音響学会 2015年秋季研究発表会 講演論文集","日本音響学会",,,"pp. 1173-1174",2015,Sept.