Broadcast Television Antenna
Posted in Coloured Television on 02/19/2009 05:20 pm by admin
Why is it called "digital TV?
If issued it would be an analog signal. I was watching television digital antenna and has agreed a one MHz signal at some point, the like. How could even send a digital signal anyway?? Is this a analog signal is converted into the digital box? Or is it something else?
All digital or analog signals must be modulated in a carrier signal analog before transmission. Modulation of allowing the signal is distributed without losing the information, and multiplexing of multiple signals on a carrier certain range signal is the carrier signal Megaherz like nothing to do with the information signal. The information has been modulated signal of the carrier signal Once your computer receives the signal demodulated signal to extract information here, the information signal can be either digital or analog signal digital encoding allows. You can save details and transmit digital signal. The bandwidth required is minor compared to the analog signal that's why the digital information signal can carry more signal information and allowing a higher resolution and bit rate
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