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A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

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A continuous signal or a continuous-time signal is a varying quantity (a signal) whose domain, which is often time, is a continuum.
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a mathematical operation on two functions f and g, producing a third function that is typically viewed as a modified version of one of the original functions.
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a measure of similarity of two waveforms as a function of a time-lag applied to one of them.
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The Discrete Cosine Transform expresses a sequence of finitely many data points in terms of a sum of cosine functions oscillating at different frequencies.
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a technique for reducing the number of samples in a discrete-time signal.
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The concept of signal decomposition relates to the need to separate one component from the others in a signal; this can be achieved through a filtering operation which require a filter design stage.
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in mathematics, the inverse operation of convolution signals. In general, the purpose of deconvolution is to find solutions of the convolution equation defined as: f * g = x. Where h is the recorde…
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the act of extracting the original information-bearing signal from a modulated carrier wave.
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a collection of techniques to remove unwanted noise from a signal. Typically this is done by filtering, but a variety of other techniques is available. Often combinations are used in sequ…
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a mapping between a finite set of discrete points in a (primal) domain (time, space) and the dual frequency domain. DFT requires an input sequence which is di…
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the physical transfer of data (a digital bit stream) over a point-to-point or point-to-multipoint communication channel.