Comparison of Small Rotor Tonal and Random Noise Decomposition Methods
Justin Malkki,
Yendrew Yauwenas,
Con Doolan
et al.
Abstract:This paper examines and compares methods of separating tonal and broadband components of the noise generated by small rotors as commonly found on small unmanned aerial systems (sUAS). Time synchronous analysis (TSA) methods with varying averaging algorithms, such as ensemble averaging (EA), exponential weighted moving averaging (EWMA) and Kalman filter averaging (KFA), are compared against themselves and against a cross-correlation-based method. The decomposition methods are used on noise measurements of a sma… Show more
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