What is Periodic Signal ?
Periodic signals are a type of electrical signals which repeat their behaviour after a certain interval of time known as time period. It is also know as a cyclic function and the part of function which repeats is called a cycle. For example, a sine wave, in which the signal has a unique behaviour from t=0s to t=2π s .After this we observe that the waveform begins to repeat . This means that sine wave is a periodic signal with a time period of 2π seconds.
Periodic Signal Graph
If we plot the graph representing the magnitude of periodic signal with time ,the graph of periodic signal looks like this:
Triangular Waves
As we observe, we can see that a triangular signal is an example of a periodic signal. We see that the signal repeats after a fixed interval of time i.e after T seconds hence it is a periodic signal.
If we carefully observe the shape of graph we see that the graph shows a unique behaviour for first T seconds . It rises linearly for the first half of the cycle and then decreases linearly for another half of the cycle. After this interval a cycle is completed and the graph begins repeating its behaviour in cycles of T seconds.
Periodic Signals
Periodic Signals are an important tool in the electronic industry. They are unavoidable in modern electronics and are almost used in every daily appliance for generating signals that repeat their behavior after a certain period. In this article, we will study what is a periodic signal, how does it looks like. We will also represent the Periodic signal mathematically. Later we will discuss the advantages, disadvantages, and some applications of Periodic Electronic Signal. We will conclude the article by summing up what we have learned. The electronics industry especially the communication system uses these signals in various circuits and readers can read about these other signals as well.
Table of Content
- What is Periodic Signal ?
- Periodic Signal Graph
- Mathematical Expression of Periodic Signal
- Types of Periodic Signals
- Difference Between Periodic Signal and Non Periodic Signal
- Properties of Periodic Signal
- Advantages of Periodic Signals
- Disadvantages of Periodic Signals
- Applications of Periodic Signals
- Solved Examples
- Conclusion
- FAQs on Periodic Signals