a. A television content producer in Accra wants to store music digitally on a CD. How would he do it mathematically, if the sampling frequency, Fs is 0.6 kHz and the analog signal is x(t) = 2cos(500nt) – 3sin(1000nt)+ cos(1500nt) Also explain mathematically how he can determine the continuous time signal, ya(t) after the reconstruction. Is the signal at ya(t) equal to the signal at x(t)? Explain.

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a. A television content producer in Accra wants to store music digitally on a CD.
How would he do it mathematically, if the sampling frequency, Fs is 0.6 kHz
and the analog signal is
x(t) = 2cos(500nt) – 3sin(1000nt)+ cos(1500nt)
Also explain mathematically how he can determine the continuous time signal,
ya(t) after the reconstruction. Is the signal at y.(t) equal to the signal at
xa(t)? Explain.
%3D
C
b. Explain using the appropriate diagrams, transfer functions and mathematical
tools the difference between modern control and classical control systems.
Transcribed Image Text:a. A television content producer in Accra wants to store music digitally on a CD. How would he do it mathematically, if the sampling frequency, Fs is 0.6 kHz and the analog signal is x(t) = 2cos(500nt) – 3sin(1000nt)+ cos(1500nt) Also explain mathematically how he can determine the continuous time signal, ya(t) after the reconstruction. Is the signal at y.(t) equal to the signal at xa(t)? Explain. %3D C b. Explain using the appropriate diagrams, transfer functions and mathematical tools the difference between modern control and classical control systems.
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