Keyphrases
In-duct
100%
Plane Wave
100%
Microphone
100%
Wall-mounted
100%
Sound Power
100%
Sound Pressure
50%
High-frequency Range
33%
Acoustic Wave Propagation
33%
Low Frequency Range
33%
Microphone Array
33%
In Situ
16%
Three-dimensional (3D)
16%
Harsh Environment
16%
Exhaust Noise
16%
Medium-speed
16%
Internal Combustion Engine
16%
Noise Measurement
16%
Duct System
16%
Weighting Factor
16%
Two-microphone Method
16%
Measuring Method
16%
Governing Equation
16%
Wave Decomposition
16%
Wave Propagation
16%
One-third Octave Band
16%
Power Relationships
16%
Large Machine
16%
Frequency Limit
16%
INIS
power
100%
range
100%
walls
100%
wave propagation
100%
ducts
100%
frequency range
66%
noise
22%
sound waves
22%
comparative evaluations
11%
environment
11%
speed
11%
experimental data
11%
one-dimensional calculations
11%
weight
11%
equations
11%
internal combustion engines
11%
decomposition
11%
measuring methods
11%
Engineering
Sound Power
100%
Duct
100%
Plane Wave
100%
Sound Pressure
50%
Microphone Array
33%
Internal Combustion Engine
16%
One Dimensional
16%
Numerical Approach
16%
Weighting Factor
16%
Measuring Method
16%
Frequency Plane
16%
Frequency Limit
16%
Duct System
16%
Octave Band
16%
Duct Wall
16%