About ITO YOICHI
About 日本大学理工学部電気工学科
About Fundamentals Review (Web)
About ultrasonic wave
About utilization
About applied research
About strength
About sound source
About generation
About ultrasonic application
About sound production
About high-intensity aerial ultrasonic wave
About application
About strength of a sound source
About Excitation and generation of sounds
About Acoustic signal processing
About 強力空中超音波
About 応用