Given these signals: Assume that they are used in a binary digital data transmission system in the

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Given these signals:
[(( — т/2) н0] SA(1) 3D АП 꾸의피의 ауe) (t – T /2)] П л (1 — Т/2) Sв (1) 3 Всos т мо-9( (t –

Assume that they are used in a binary digital data transmission system in the following combinations. Express B and C in terms of A so that their energies are the same. Sketch each one and in each case, calculate R12 in (9.16) in terms of A and T. Write down an expression for PE according to (9.60). What is the optimum threshold in each case?

(a) s1 (t) = sA(t); s(t) = sB(t)

(b) s1 (t) = sA(t); s2 (t) = sC(t)

(e) s(t) = sB(t); s2 (t) = sC(t)

(d) s1 (t) = sB(t); s2 (t) = -sB(t)

(e) s1 (t) = sC(t); s2 (t) = -sC(t)

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