About OKABE YOJI
About GO KI
About ultrasonic test
About phase shift
About diffraction grating
About optical fiber
About acoustic wave sensor
About smart structure
About ultrasonic measurement
About AE inspection
About acoustic emission
About signal
About laminated plate
About carbon fiber reinforced plastics
About performance evaluation
About erbium
About tensile test
About bending test(bending)
About FBG
About 超音波センサシステム
About バランスドセンシングシステム
About AE signal
About CFRP laminate
About three-point bending test
About Nondestructive testing
About Propagation of sound waves
About 光ファイバ
About 超音波センサ
About スマート構造
About 非破壊検査