Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Thong-un Natee and Kurosawa Minoru K. and Hirata Shinnosuke,2P2-6 Examination of three-dimensional airborne ultrasonic position real-time measurement using chirp wave(Poster Session),Proceedings of Symposium on Ultrasonic Electronics,1348-8236,Institute for Ultrasonic Elecronics,2014-12-03,35,0,239-240,https://cir.nii.ac.jp/crid/1390564238045597184,https://doi.org/10.24492/use.35.0_239