Digital microwave uses a dedicated wireless frequency band,point-to-point directional transmission,to transmit TV signals,to provide information sources for earth stations,compared with cable transmission methods such as cable,microwave has certain advantages in security,confidentiality,resistance to natural disasters and so on.The microwave system includes indoor unit,outdoor unit,network management system and other parts,which transmits the IP signal after coding and multiplexing to the satellite earth station through modulation and frequency conversion.Taking the microwave system built after Yunnan Station moved to the new station as an example,this paper introduces the construction process of digital microwave.
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