adminSIGNAL TRANSMISSION
Signal transmission is the process of sending or propagating a signal from one point to another through a medium or communication channel.
The key component of a signal transmission system is as follows; transmitter, medium or communication channel and a receiver.
The transmitter is the device that converts the information into a signal and sends it through the medium or communication channel.
The communication channel is the medium through which the signal is transmitted such as a conductor, fiber optics cable, fluid or air.
The receiver is the device that receivers the signal and converts it back to the original form it was sent.
There are two main types of signals and they are; analog and digital signals.
Analog signals transmission involves analog signals which are continuous signals that vary in amplitude, frequency or phase to represent the information being transmitted.
Digital signal transmission involves digital signals which are discrete signals that represent information as a series of binary digits (0 or 1s),
The advantages of signal transmission are as follows; signal transmission enables communication over long distances without the need for physical connections. Signal transmission enables high speed data transfer making it possible to transmit large amount of data quickly. Signal transmission can be designed to be reliable with error correction and detection mechanisms to ensure accurate data transmission.
The disadvantages of signal transmission are as follows; signal transmission can be affected by noise and interference which can degrade signal quality. Signal transmission can be vulnerable to security risks such as eavesdropping and interception. Signal transmission can suffer from signal degradation which can reduce signal quality over long distances.
The application of signal transmission has found widespread use in the following industries; signal transmission is used in communication systems such as telephone networks, internet and satellite communication. Signal transmission is used in broadcasting such as radio and television broadcasting. Signal transmission is used in navigational systems such as GPS. Signal transmission is used in medical applications such as tele-medicine and medical imaging.
The future of signal transmission will be based on the trends and development in the following technologies; the development of 5G and future wireless communication systems thereby enabling faster and more reliable signal communication. Advances and trends in the use of internet of things devices will creating a more efficient and reliable machine to machine signal transmission system. The development of quantum communication systems will enable a more secure and reliable signal communication network. The use of artificial intelligence and machine learning will enable more efficient and adaptive signal transmission system.
SOURCES:
- Communication systems by Simon Haykin and Michael Moher.
- Signals and systems by Alan V. Oppenheim.
- Communication systems engineering by John G. Proakis and Masoud Salehi.
- Wireless communications: principles and practice by Theodore S. Rappaport.
- Modern digital and analog communication systems by B.P Lathi and Zhi Ding.
