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Mechanical Fault Diagnosis Based on Band-Phase-Randomized Surrogate Data and Multifractal
fault diagnosis Band-Phase-Randomized surrogate data
2011/8/4
The vibration signals of machinery with various faults often show clear nonlinear characteristics. Currently, fractal dimension analysis as the common useful method for nonlinear signal analysis is a ...
Nonlinear dynamic analysis of mitral valve doppler signals: surrogate data analysis
Doppler mitral valve largest lyapunov exponent correlation dimension surrogate data ROC
2010/10/12
In our study, the nonlinear dynamics of mitral valve Doppler signals from 32 healthy and 28 patients with mitral valve stenosis was evaluated using by the computation of Lyapunov exponents, correlatio...