[27a-PA6-1~4] 1.9 Ultrasonic

[27a-PA6-4] △Radiation Characteristics of Horn Loudspeaker with Whole Circumference Aperture for Acoustical Measurement

^○Akihiro Itagaki¹, Naoto Wakatsuki², Koichi Mizutani² (Graduate School of Systems and Information Engineering, University of Tsukuba¹, Faculty of Engineering, Information and Systems, University of Tsukuba²)

Keywords:Horn Loudspeaker、Whole Circumference Aperture