Earth & Environmental Sciences
surface wave
100%
pavement
98%
asphalt
92%
nondestructive testing
44%
inversion
28%
method
24%
stiffness
22%
simulated annealing
21%
phase velocity
21%
wave velocity
20%
slab
17%
S-wave
16%
transfer function
15%
in situ measurement
14%
nonlinearity
14%
dynamic response
14%
analysis
13%
sensor
13%
soil
13%
compaction
13%
data acquisition
12%
spectroscopy
12%
test
12%
damage
12%
borehole
11%
wave field
10%
soil compaction
9%
temperature
9%
sand
9%
vibration
8%
testing of materials
7%
laboratory
7%
wave propagation
7%
amplification
7%
acoustic method
6%
accelerometer
6%
water content
5%
seismic wave
5%
data interpretation
5%
time series
5%
parameter
5%
damping
5%
Engineering & Materials Science
Surface waves
98%
Asphalt concrete
53%
Pavements
38%
Acoustic spectroscopy
36%
Testing
29%
Phase velocity
25%
Natural frequencies
24%
Scanning
22%
Concretes
20%
Thickness measurement
19%
Asphalt
19%
Soils
18%
Systematic errors
18%
Reverberation
18%
Prestressed concrete
16%
Spectroscopy
16%
Imaging techniques
16%
Boreholes
16%
Hammers
15%
Microphones
15%
Modal analysis
15%
Frequency response
14%
Materials properties
14%
Accelerometers
14%
Transfer functions
13%
Application programs
13%
Sand
13%
Compaction
12%
Tuning
11%
Temperature
11%
Rayleigh waves
10%
Concrete construction
10%
Poisson ratio
8%
Brittleness
8%
Phase shift
7%
Seismic waves
7%
Sensors
7%
Data acquisition
6%
Acoustics
6%
Stiffness
5%
Earthquakes
5%
Iterative methods
5%
Water content
5%
Synthetic apertures
5%
Amplification
5%
Transfer matrix method
5%
Physics & Astronomy
pavements
65%
group velocity
52%
Poisson ratio
47%
surface waves
47%
echoes
33%
asphalt
27%
concrete structures
25%
near fields
25%
simulated annealing
18%
reverberation
16%
curves
16%
microphones
15%
systematic errors
15%
phase velocity
15%
Rayleigh waves
14%
acoustics
13%
wave propagation
12%
attenuation
12%
inversions
12%
polarization
11%
damage
10%
spectroscopy
9%
thickness ratio
9%
longitudinal waves
8%
damping
7%
Lamb waves
7%
soils
6%
stiffness
6%
point sources
6%
S waves
6%
receivers
6%
half spaces
6%
deviation
6%
brittle materials
6%
evaluation
6%
vibration mode
6%
estimates
6%
P waves
5%
