An Evaluation of Frequency Domain Ensemble Averaging to Improve Aircraft Stability Derivative Estimation (Paperback) (ISBN-13: 9781288292769)

Process noise and measurement noise are always present to varying degrees on aircraft input and response signals measured by onboard sensors and recorded by a data acquisition system. The noise makes it difficult for parameter estimation routines to correlate aircraft responses with the input(s) that forced those responses. This can reduce the accuracy and precision of the aircraft stability derivatives estimated by those routines.

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