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Estimation of amplitude and phase of a weak signal by using the property of sensitive dependence on initial conditions of a nonlinear oscillator.
Guanyu Wang
Wei Zheng
Sailing He
Published in:
Signal Process. (2002)
Keyphrases
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initial conditions
differential equations
weak signal
instantaneous frequency
phase information
fixed point
feedback loop
high order
phase unwrapping
chaotic systems
computer vision
wave equation
dynamical systems
signal detection
frequency modulation
reference trajectory
multiscale
image processing