what is signal?types of signal.
Answers
Signals are classified into the following categories: Continuous Time and Discrete Time Signals. ... Periodic and Aperiodic Signals. Energy and Power Signals. Real and Imaginary Signals.
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A signal is a function that conveys information about a phenomenon. In electronics and telecommunications, it refers to any time varying voltage, current or electromagnetic wave that carries information. A signal may also be defined as an observable change in a quality such as quantity.
A signal is a function that conveys information about a phenomenon. In electronics and telecommunications, it refers to any time varying voltage, current or electromagnetic wave that carries information. A signal may also be defined as an observable change in a quality such as quantity. Two main types of signals encountered in practice are analog and digital. Digital signals are quantized, while analog signals are continuous.
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