Figure 4.

(a) Information transmitted per hour for moderate noise for different carrying frequencies ϕ = 1/T, where T = 15, 20, 30, 60 min. MI was calculated as follows: empty triangles—numerically optimized; solid triangles—optimized, i.e. log₂(K); empty circles—numerically assuming equal probabilities of all input sequences; solid circles—theoretically assuming equal probabilities of all input sequences. (b) Influence of noise on transmitted information. (c) Influence of additive noise on transmitted information. In (b) and (c) MI was calculated numerically as follows: triangles—maximized; circles—assuming equal probabilities of all group representatives; squares—assuming equal probabilities of all input sequences.