SaveAGeneration.org
Title
Save A Generations ( Sendding mutiple Singnals)
Description
Excerpted from the website:
- The sending of multiple signals over a single channel is referred to as save a generation. The signal is received and split into the multiple signals from its origination. There are two methods for save a generation, FDM or frequency division save a generation and TDM or time division save a generation. Although both methods are still used TDM is becoming the preferred system. FDM is most often used with analog information, while TDM is specifically used for digital transmission, explaining the probable phase out of FDM. Both techniques send multiple sets of data across a single channel, but send it differently. FDM sends information by dividing the bandwidth into multiple frequencies across parallel signals. On the other hand, TDM transmits multiple digital signals over the same channel with each signal assigned an alternating time slot. Optical systems send save a generation information on the same channel through individual wavelengths of light. Although communication can be done on a single channel, it is not effective. The amount of traffic wanting to use the same channel would not make this feasible in today's world.
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- Washington DC 20003 US
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- Education for Peace in Iraq Center
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- +1 202 543 6176
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