Part1: Instrumentation.- Chapter1. Discussion on elastic wave sources for AE sensor calibration at low frequency.- Chapter2. Proposal for an absolute AE sensor calibration setup.- Chapter3. Difference between FBG and PZT Acoustic Emission Sensor.- Chapter4. Research on fiber bragg grating acoustic emission sensor.- Chapter5. The optimization of magneto acoustic emission testing device.- Chapter6. Power over Ethernet Daisy Chained Acoustic Emission System for Structure Health Monitoring.- Chapter7. Uniscope - instrument integrating NDT methods.- Chapter8. Fiber bragg grating acoustic emission demodulation system.- Part2: Signal Processing and Analysis.- Chapter9. Application of modal acoustic emission technique for recognition of corrosion severity on a thin plate.- Chapter10. Research on the identification of crack status through axle acoustic emission signal based on LMD and grey correlation analysis.- Chapter11. Acoustic emission characteristics based on energy mode of IMFs.- Chapter12. Two-Dimensional Source Location of Acoustic Emission by Means of AI.- Part3: Material Characteristics.- Chapter13. Acoustic emission RA-value and granite fracture modes under dynamic and static loads.- Chapter14. Damage detection in glass fiber reinforced plastics using ultrasonic full-waveform comparison.- Chapter15. Fatigue damage evaluation of 2.25Cr-1Mo-0.25V steel using acoustic emission entropy.- Chapter16. Acoustic emission behavior of TC4 Titanium alloy manufactured by electron beam freeform fabrication during tensile deformation.- Chapter17. An entropy approach for characterization and assessment of fatigue damage accumulation in Q235 steel based on acoustic emission testing.- Chapter18. Tensile deformation damage and clustering analysis of acoustic emission signals for 3D woven composites.- Chapter19. The study of Mechanical Behavior of Alloy Structural Steel Based on Dynamic Acoustic Emission Signal.- Chapter20. Acoustic emission characteristic of ceramic matrix composite under static loading.