Satellite

Digital Communication :- Data transmission, digital transmission or digital communications is the physical transfer of data (a digital bit stream or a digitized analog signal) over a point-to-point or point-to-multipoint communication channel. Examples of such channels are copper wires, optical fibers, wireless communication channels, storage media and computer buses. The data are represented as an electromagnetic signal, such as an electrical voltage, radiowave, microwave, or infrared signal. Block Diagram :- A  digital communication system  consists of six basic blocks. The functional blocks at the transmitter are responsible for processing the input message, encoding, modulating, and transmitting over the  communication  channel. digital communication system Multiplexing :- Multiplexing  is the process of combining multiple signals into one signal, over a shared medium. These signals, if analog in nature, the process is called as  analog multiplexing . If digital signals are multipl

Introduction to Satellite Communication :- The purpose of communications satellites is to relay the signal around the curve of the Earth allowing communication between widely separated geographical points. Communications satellites use a wide range of radio and microwave frequencies. A  communications satellite  is an artificial  satellite  that relays and amplifies radio telecommunications signals via a transponder; it creates a  communication  channel between a source transmitter and a receiver at different locations on Earth.   Satellite communication  has two main  components: the ground segment, which consists of fixed or mobile transmission, reception, and  ancillary  equipment, and the space segment, which primarily is the satellite itself. How to Work :- Satellites communicate by using radio waves to send signals to the antennas on the Earth. The antennas then capture those signals and process the information coming from those signals .                     Intelsat VI, a c