(c) Explain why when applying the DFT to a practical digital signal to obtain its spectrum, there is usually a leakage.
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(c) Explain why when applying the DFT to a practical digital signal to obtain its spectrum, there is usually a leakage.
(c) Explain why when applying the DFT to a practical digital signal to obtain its spectrum, there is usually a leakage. What measure can be taken to reduce the leakage, and what may be impacted at the same time? 15 marks
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