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Processing of bioelectric signals.

consists of representation, transformation and

manipulation of signals and the information they contain

statistics

Average : represents the

direct current (DC)

median: Value of the central position of the vector

Standard deviation: measures the AC part of

the signal

Variance: represents the

power of the

fluctuation

Noise

any unwanted signal

SNR: defines the relationship between the power of a signal with the power of the noise that corrupts it

Convolution

mathematical operation that combines two signals to produce a third signal.