For the signal in Fig. 1, x(t) = 20cos(2π(40)t − 0.4π), find G and t1 so that the signal y(t) = Gx(t − t1) is equal to 5 cos(2π(40)t).
Figure 1
Sinusoidal signal with parameters A = 20, ω0 = 2π (40), f0 = 40 Hz, and φ = 0.4π rad.
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