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Double-characters detection of nonlinear frequency modulated signals based on FRFT

✍ Scribed by ShuWen Xu; PengLang Shui; XiaoChao Yang

Book ID
107359825
Publisher
Science in China Press (SCP)
Year
2010
Tongue
English
Weight
462 KB
Volume
54
Category
Article
ISSN
1674-733X

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Energy separation algorithm is good at tracking instantaneous changes in frequency and amplitude of modulated signals, but it is subject to the constraints of mono-component and narrow band. In most cases, time-varying modulated vibration signals of machinery consist of multiple components, and have