Abstract
Signal is a physical phenomenon that carries information. This physical phenomenon is described by mathematical functions, and usually the signal and its mathematical function are used for one another, i.e., synonymous. For instance, when we talk about a sinusoidal signal, we use the sinusoidal function, a mathematical function, to characterize the signal, and the name sinusoidal is used for the signal. Signals are usually depicted in graphs to observe their behavior and analyze them.
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Gazi, O. (2018). Sampling of Continuous Time Signals. In: Understanding Digital Signal Processing. Springer Topics in Signal Processing, vol 13. Springer, Singapore. https://doi.org/10.1007/978-981-10-4962-0_1
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DOI: https://doi.org/10.1007/978-981-10-4962-0_1
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