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TV signal transmission in three ways

source:http://www.dvb-tmodulator.com/news/12.html
Release time:2017-04-15
       Radio and television signal transmission, whether it is digital signals, or analog signals, there are ground, cable, and satellite three transmission.
       The ground is the ground microwave way, we originally used TV on the antenna or built on the outside of the fishbone antenna is the way this transmission, this transmission requires radio and television departments to set up the tower antenna, or microwave antenna, a certain coverage Radius, just like moving a communication base station. Wired is the most common of all of us, the TV signal through the main cable backbone plus coaxial cable and assigned to the various households of the way. Satellite TV, in fact, it is one of the three major radio and television transmission, but because of China's special national conditions, the general public can not freely receive satellite TV signal, so its role did not show up. 

       In these three transmission methods, each has its own advantages and disadvantages, but the satellite transmission compared to the other two ways, is the most competitive of a standard.


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