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scZoUnD [109]
3 years ago
8

An analog signal with a bandwidth of 36MHz is sampled at a frequency (fs) of 36,000,000 samples per second during the ADC (analo

g-to-digital conversion) process. What is the outcome of the received signal after the DAC (digital-to-analog conversion) process
Mathematics
1 answer:
Elza [17]3 years ago
4 0

Answer:

The signal would have experienced aliasing.

Step-by-step explanation:

Given that:

the bandwidth of the signal f_m = 36MHz

= 36 × 10⁶ Hz

The sampling frequency f_s = 36 × 10⁶ Hz

Suppose the sampling frequency is equivalent to the bandwidth of the signal, then aliasing will occur.

Therefore, according to the Nyquist criteria;

Nyquist criteria posit that if the sampling frequency is more above twice the maximum frequency to be sampled, a repeating waveform can be accurately reconstructed.

∴

By Nyquist criteria, for perfect reconstruction of an original signal, i.e. the received signal without aliasing effect;

Then,

f_s \geq 2f_m

∴

The signal would have experienced aliasing.

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