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Unformatted text preview: 4 (a) Determine the frequency extent of the input spectrum. Has aliasing happened? (b) Sketch the system block diagram and the input and output spectra. What should c f 2 . 1 be? 5 (a) An all-pass system will not change the strength of different frequency components. (b) How can one implement Fourier transform in a practical system? 6 (a) Write down the digitized signal. (b) Draw the system block diagram....
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This note was uploaded on 08/02/2009 for the course ECE EE2009 taught by Professor Prof.c.c.ko during the Fall '07 term at National University of Singapore.
- Fall '07