Keyphrases
Helicopter
100%
Noise Radiation
100%
Turning Flight
100%
External Noise
100%
Bell
60%
Steady Turning
40%
Measurement System
40%
Analytical Procedures
40%
Noise Measurement
40%
Level Flight
40%
Microphone
20%
Rate of Increase
20%
Directivity
20%
Rotor Noise
20%
Flight Condition
20%
System-oriented
20%
Flight Path
20%
Noise Model
20%
Ground Measurements
20%
Microphone Array
20%
Straight Flight
20%
Model Noise
20%
Bank Angle
20%
Blade-vortex Interaction
20%
Rate of Descent
20%
Microphone System
20%
Ambient Wind
20%
Engineering
Measurement System
100%
Measurement Noise
100%
Level Flight
100%
Rotors
50%
Directivity
50%
Microphone Array
50%
Flight Condition
50%
Flight Path
50%
Radiated Noise
50%
Bank Angle
50%
Blade Vortex Interaction
50%