Explanation of Block diagram of Digital Communication System |
Автор: RIN Teaches
Загружено: 2025-12-27
Просмотров: 74
In this video I have explained the block diagram of digital communication system, it's the basic introduction to Digital Communication System.
A digital communication system is used to transmit information in digital form from a source to a destination through a communication channel. The information source generates the message, which is converted into a digital signal by the source encoder through processes such as sampling, quantization, and coding. The channel encoder then adds redundancy to the digital data to enable error detection and correction during transmission. This encoded data is fed to a digital modulator, which converts it into a suitable signal for transmission over the communication channel. The channel may be a wired or wireless medium and introduces noise, interference, and signal attenuation. At the receiver, the digital demodulator extracts the digital data from the received signal. The channel decoder removes the added redundancy and corrects errors caused by the channel. The source decoder reconstructs the original message from the digital data, and finally, the destination receives the information in its usable form.
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