About TOSA RYUJI
About MOTEGI RYOHEI
About 秋田工業高等専門学校研究紀要
About visually impaired person
About sponge rubber
About acoustic characteristic
About cover
About Noise
About noise reduction
About low frequency noise (signal)
About air flow (meteorology)
About frequency analysis
About fast Fourier transformation
About moving average method
About psychosomatic handicapped person
About wind noise
About aeolian noise
About high frequency noise
About wind induced noise
About Propagation of sound waves
About 視覚障害者