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**** 1. A normalized signal, z(t), is a scaled sum of three cosine terms, as shown. The signal is amplitude-modulated by a system having a modulation index of 1.0. z(t) = K (2 cos wmt + 4 cos 2wmt+2 cos 3wmt) Most nearly, what value of K is required to obtain a normalized signal? (A) 0.13 (B) 0.25 (C) 0.50 (D) 1.0

**** 1. A normalized signal, z(t), is a scaled sum of three cosine terms, as shown. The signal is amplitude-modulated by a system having a modulation index of 1.0. z(t) = K (2 cos wmt + 4 cos 2wmt+2 cos 3wmt) Most nearly, what value of K is required to obtain a normalized signal? (A) 0.13 (B) 0.25 (C) 0.50 (D) 1.0

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1. A normalized signal, z(t), is a scaled sum of three cosine terms, as shown. The signal is amplitude-modulated by a system having a modulation index of 1.0. z(t) = K (2 cos wmt + 4 cos 2wmt+2 cos 3wmt) Most nearly, what value of K is required to obtain a normalized signal? (A) 0.13 (B) 0.25 (C) 0.50 (D) 1.0
Transcribed Image Text:1. A normalized signal, z(t), is a scaled sum of three cosine terms, as shown. The signal is amplitude-modulated by a system having a modulation index of 1.0. z(t) = K (2 cos wmt + 4 cos 2wmt+2 cos 3wmt) Most nearly, what value of K is required to obtain a normalized signal? (A) 0.13 (B) 0.25 (C) 0.50 (D) 1.0
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