Mathematics
Diesel Engine
100%
Engine
78%
Combustion
73%
Acoustics
66%
Continuous Wavelet Transform
28%
Sound
19%
Condition Monitoring
18%
Quality Evaluation
17%
Feature Extraction
15%
Experimental Investigation
14%
Ignition
14%
Stroke
13%
Wavelet Analysis
13%
Signal-to-noise Ratio
12%
Energy Levels
12%
Interconnection
11%
Injection
11%
Compression
10%
Diagnostics
10%
Mean Square
10%
Vibration
9%
Roots
7%
Range of data
6%
Coefficient
5%
Physics & Astronomy
diesel engines
81%
acoustic measurement
73%
engines
60%
wavelet analysis
42%
acoustics
21%
engine noise
18%
mean square values
16%
pattern recognition
14%
strokes
13%
sound waves
12%
ignition
11%
signal to noise ratios
10%
energy levels
10%
frequency ranges
9%
injection
9%
evaluation
7%
coefficients
6%
Engineering & Materials Science
Biodiesel
65%
Diesel engines
53%
Acoustics
50%
Engines
39%
Engine cylinders
29%
Wavelet transforms
19%
Acoustic waves
16%
Wavelet analysis
12%
Electron energy levels
11%
Direct injection
11%
Condition monitoring
10%
Ignition
9%
Signal to noise ratio
8%
Feature extraction
7%