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Assignment Problems on Communication Systems Engineering | ELEG 403, Assignments of Electrical and Electronics Engineering

University of Delaware (UD)Electrical and Electronics Engineering

Material Type: Assignment; Class: Communication Systems Engineering; Subject: Electrical Engineering; University: University of Delaware; Term: Unknown 1989;

Typology: Assignments

Pre 2010

Uploaded on 09/02/2009

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Problem 6.4 (a) The signal-space diagram of the scheme described in this problem is two-dimensional, as shown by Quadned ule 0 ~A, /o-k) This signal-space diagram differs from that of the conventional PSK signaling scheme in that it is two-dimensional, with a new signal point on the quadrature axis at A&NT,/2. If k is reduced to zero, the above diagram reduces to the same form as that shown in Fig. 8.14. (bh) s(t) +w(t) T p> ae & Decision 1 device cos(2mf t) c n The signal at the decision device input is A T Lass Via? t+ SP w(t) costant tat a) 0 306