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Oppenheim's sign is dorsiflexion of the great toe elicited by irritation downward of the medial side of the tibia. [1] It is one of a number of Babinski-like responses .The sign's presence indicates damage to the pyramidal tract .
According to Logan, a signal is uniquely reconstructible from its zero crossings if: The signal x ( t ) and its Hilbert transform x t have no zeros in common with each other. The frequency-domain representation of the signal is at most 1 octave long, in other words, it is bandpass - limited between some frequencies B and 2 B .
Download as PDF; Printable version; ... Signal processing is an electrical engineering subfield that focuses on ... According to Alan V. Oppenheim and Ronald W ...
Alan Victor Oppenheim [2] (born 1937) is a professor of engineering at MIT's Department of Electrical Engineering and Computer Science. He is also a principal investigator in MIT's Research Laboratory of Electronics (RLE), at the Digital Signal Processing Group. His research interests are in the general area of signal processing and its ...
As it carries the information, the chaotic signal is also called chaotic carrier. Synchronizing these oscillators is similar to synchronizing random neural nets in neural cryptography. When chaos synchronization is used, a basic scheme of a communications device (Cuomo and Oppenheim 1993) is made by two identical chaotic oscillators. One of ...
Alan V. Oppenheim and Ronald W. Schafer, "Discrete-Time Signal Processing," Prentice-Hall Signal Processing Series, 2 ed., 1999. Huang, et al. "The empirical mode decomposition and the Hilbert spectrum for nonlinear and non-stationary time series analysis." Proc. R. Soc. Lond. A (1998) 454, 903–995
Homomorphic filtering has been used to remove the effect of the stochastic impulse train, which originates the sEMG signal, from the power spectrum of the sEMG signal itself. In this way, only information about motor unit action potential (MUAP) shape and amplitude was maintained; this was then used to estimate the parameters of a time-domain ...
Download QR code; Print/export Download as PDF; Printable version; In other projects Wikidata item; Appearance. ... Oppenheim, Schafer, Digital Signal Processing, ...