Keyphrases
Ultrasonic Backscatter
100%
Crack Damage
100%
Surface Waves
100%
Concrete Specimen
100%
Damaged Concrete
100%
Non-contact Characterization
100%
Contactless
42%
Microcracks
28%
Backscatter
28%
Ultrasonic Technique
28%
Ultrasonic
28%
MEMS Sensor
28%
United States
14%
Triple-layer
14%
Silicon-based
14%
Stiffness
14%
Mechanical Strength
14%
Particulate
14%
Backscattered Signal
14%
Resilience
14%
Non-contact Ultrasonic
14%
Transmitter
14%
Polymer Fibers
14%
Incidence Angle
14%
Homogeneous Samples
14%
Coupled System
14%
Fiber Content
14%
Propagating Waves
14%
Crack Volume
14%
Micro-crack Damage
14%
Guided Waves
14%
Structural System
14%
Wave Traveling
14%
Air-coupled
14%
Well-distributed
14%
Received Signal
14%
Leaky Waves
14%
Distributed Damage
14%
Tone Burst
14%
Air-coupled Ultrasonic
14%
Surface-guided
14%
Non-destructive Approach
14%
Acoustic Baffle
14%
Ultrasonic Transmitter
14%
Electrostatic Transducer
14%
MEMS Acoustic Sensor
14%
Livonia
14%
Engineering
Ultrasonics
100%
Energy Engineering
60%
Microelectromechanical System
60%
Microcracking
40%
Infrastructure
40%
Statistically Significant Difference
40%
Early Stage
20%
Electrostatics
20%
Transducer
20%
Atmospheric Aerosol
20%
Travelling Wave
20%
Noncontact Ultrasonics
20%
Polymer Fiber
20%
Angle of Incidence
20%
Coupled System
20%
Propagating Wave
20%
Guided Wave
20%
Structural System
20%
Fiber Content
20%
Good Condition
20%
Material Science
Microelectromechanical System
100%
Microcracking
66%
Poly Methyl Methacrylate
66%
Ultrasonic Testing
66%
Mechanical Strength
33%
Silicon
33%
Physics
Ultrasonics
100%
Surface Waves
100%
Microelectromechanical System
50%
Microcracking
33%
Transducer
16%
Electrostatics
16%
Traveling Wave
16%