Be an information source A and a receiver B. Be two channels (C1 and C2) between A and B. is there a better structure, S1 or S2 (see details) ?

11 November 2015 0 2K Report

situation S1: the two channels C1 and C2 are very similar Situation 2: the topographic pathway, the physical media (mechanical versus electric), the sources of noise affecting each of the two channels C1 and C2, are very different. In both cases the two signals are mixed at the level B. Are the signal-to-noise report of a series of information transmitted between A and B identical (S1=S2) ? Or S2 > S1?

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