Time-Frequency Domain Analysis of Helicopter Transmission Vibration
作者： B D Forrester
DOI:
关键词: Engineering 、 Electronic engineering 、 Time frequency domain 、 Vibration 、 Early detection 、 Transmission (telecommunications) 、 Domain (software engineering) 、 Signal 、 Fault detection and isolation
摘要: Abstract : Vibration analysis is playing an increasingly important role in the early detection of helicopter transmission faults. Current vibration techniques used fault require selective filtering or manipulation signal, based on assumptions about nature signal. In some cases these can give misleading results. It shown that application time-frequency domain representations, Wigner-Ville distribution, capable detecting a variety features which be to classify
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