This chapter covers sensors and signals.
Signals
Generally, signals represent some information with respect to time or space. For example, a variation of a car’s speed with respect to time is a kind of signal. The information can be transferred in the form of signals. In electrical engineering, a signal is a function that carries information with respect to time or space. The electrical equipment exhibits the signals in the form of voltage, current, or electromagnetic waves. As per the IEEE Transactions on Signal ...
