Introduction to Communication System | DSP | #1

About the Video

Introduction to Communication System.

By the end of this video, you have a clear concept of communication system.

In engineering terminology, communication refers to the process of sending, receiving, and processing information through electrical means. In a broader sense, communication is the process of establishing a link or connection between two points for the exchange of information.

Humans have used various ways to communicate with each other since ancient times. Before the nineteenth century, methods used for sending messages over distant points involved smoke signals, fire signals, light beams, carrier pigeons, and more. These modes of communication were inefficient and unreliable. The demand for faster and more efficient long-distance communication increased with the spread of civilization across geographical barriers.

Long-distance communication began with the successful transmission of the first telegraphic message by Samuel Finley Breese Morse. This invention marked the beginning of the era of electrical communication. Morse used electromagnetic induction to transfer information in the form of dots, dashes, and spaces between a simple transmitter and receiver using a transmission line consisting of a metallic wire.

Today, electrical communication has become an integral part of our lives. Typical examples of communication systems include line telephony and telegraphy, radio telephony and broadcasting, point-to-point communication, mobile communication, computer and radar communication, TV broadcasting, radio telemetry, radio aids to navigation, radio aids to aircraft landing, Bluetooth technology, networking, the internet, and many more.

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