signal system pdf
Definition of Signals and Systems Signals are functions of time or sequences in time that represent quantities of interest, while systems are operators that accept input signals and produce output signals. According to signal system pdf, signals can be continuous or discrete, and systems can be classified based on their properties. The definition of signals and systems is crucial in understanding the fundamentals of signal processing and analysis, which is widely used in various fields, including engineering and technology, and can be found in online resources such as signa