vk6kro said:
Communication systems and signals refer to the methods and techniques used to transmit and receive information between two or more parties. This can include various forms of communication such as verbal, written, and non-verbal signals.
Communication systems work by encoding information into a signal, transmitting it through a channel, and decoding it at the receiving end. This process involves various components such as transmitters, receivers, and amplifiers.
The types of signals used in communication systems can be classified into analog and digital signals. Analog signals are continuous and can take on any value, while digital signals are discrete and can only take on specific values.
Noise refers to any unwanted interference or distortion in a signal during transmission. Communication systems use various techniques such as error correction and filtering to reduce the impact of noise on the signal and ensure accurate communication.
Communication systems and signals have a wide range of applications in various industries, including telecommunications, broadcasting, and networking. They are also used in everyday communication tools such as phones, radios, and the internet.