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What is the difference between multichannel and multidimensional signals?
Wiki User
∙ 12y ago
if a signal is a function of single independent variable,then signal is called multichannel signal.
if a signal is function of multiple independent variable then signal is called multidimensional signal.
Wiki User
∙ 12y ago
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What is multichannel and multidimensional signal?
Multichannel Signals. Signals which are generated by multiple sources or multiple sensors are called Multichannel signals. These signals are represented by vector.S(t) = [(S1(t) S2(t) S3 (t)]Above signal represents a 3-channel signal. In electrocardiography, 3-lead and 12-lead electrocardiograph is often used in practice, which results in 3-channel and 12-channel signals, respectively.Multidimensional Signal. A signal is called multidimensional signal if it is a function of M independent variables. For example : Speech signal is a one dimensional signal because amplitude of signal depends upon single independent variable, namely, time. TV Picture Signal : A B/W picture signal is an example of 2-dimensional signal because brightness of the signal at each point is a function of two spatial independent variable, namely, x and y. Variables x and y are width and height of the picture element.A colored picture signal is an example of 3-dimensional signal because brightness of the signal at each point is a function of three independent variables, namely, x, y and time (t).-------Arif, RUET.
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