Abstract
In order to realize the sound system of civil aircraft engineering simulator with high fidelity, the acquisition and processing of sound flight test data are very important. The requirements of sensor selection and installation in the process of flight test data acquisition are put forward. At the same time, reference sound should be recorded before and after each flight test to correct the errors of acquisition equipment. The processing of sound flight test data is introduced. The required sound fragments are intercepted from the original sound data. And then the data is filtered and denoised by Fourier transform. Finally, the processed sound material is matched with the flight parameters to realize the synthesis of sound data. Sound flight test data acquisition and processing are of great significance to the realization of sound system of civil aircraft engineering simulator.
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