Mohammadali Sebghati

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This paper presents a new method for extracting orthogonal bases from AM-FM signals. Since AM-FM signals are non-stationary, appropriate basis functions are sought provided that instantaneous frequency can be defined meaningfully. With respect to the intrinsic structure of AM-FM signals, these bases should be in generalized exponential format. Expansion by(More)
In this paper, an analytical approach to estimate the instantaneous frequencies of a multicomponent signal is presented. A non-stationary signal composed of oscillation modes or resonances is described by a multicomponent AM-FM model. The proposed method has two main stages. At first, the signal is decomposed into its oscillation components. Afterwards, the(More)
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