電子情報通信学会ソサイエティ大会講演要旨
BS-7-22
Studying on Achieving Long Distance High-Frequency Ultrasound Air Propagation
◎Chenlu Liu・Shigeru Shimamoto・Jiang Liu・Yoshimitsu Nagao(Waseda Univ.)
Through our ultrasound array system we achieved 90cm stable air propagation according to use the advantage of ultrasound array and modify the surface of transducers by covering iron plate with BPSK modulation.