351_fall01_ex1[1]

351_fall01_ex1[1] - ׸ غ ׺ ֺ Ѻ ׵ ׵ ׵ ׵ ׵ ص Ҵ ״...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: ׸ غ ׺ ֺ Ѻ ׵ ׵ ׵ ׵ ׵ ص Ҵ ״ ޺ Ѹ ׺ ׵ ׵ ׵ ֺ ׵ к и ص ص ص ص ׵ ص ҹ ׵ ׵ ֺ ׵ ӵ ٴҵ ׵ ׵ ׸ ׵ Z[n] 2 1 -1 -4 -3 -2 -1 0 3 Zo[n] ? ? n -4 -3 1 -2 -1 -1 0 ? ? n ׵ Ideal Sampler ص ״ ص Ҵ ص Xs (t) Xc (t) Sampling Freq.=Fs Ideal Lowpass Reconstruction Filter with cutoff frequency Fs/2 and Gain=T ֺ Xr (t) ۺ ص ׺ ׵ Xc( ) F(Hz) -1000 -500 500 1000 Xs( ) F(Hz) -1000 -500 500 1000 Xr( ) F(Hz) -1000 -500 500 1000 ޺ ׵ Xc( ) F(Hz) -1000 -500 500 1000 Xs( ) F(Hz) -500 -400 -300 -200 -100 100 200 300 400 500 Xr( ) F(Hz) -500 -400 -300 -200 -100 100 200 300 400 500 ׺ ص ״ ص Ҵ ص ״ ص Ҵ ص Ideal Sampler ص Xs (t) Xc (t) Sampling Freq.=Fs Ideal Lowpass Reconstruction Filter with cutoff frequency Fs/2 and Gain=T Xr (t) ޸ ص ֳ ׵ и Ӵص Ѹ ۺ ׵ Xinfo( 1 ׵ ) F(Hz) -600 -500 -200 200 500 600 Ӵص Ӵص ֺ ִ׵ ֵ ׵ Ӵص ص Ѹ ۺ ص ص Ӵص ص ׵ Xnoise( 1 ) F(Hz) -2200 -2100 2100 2200 Ӵص ִ׵ ص ֺ ׵ ص ۺ ޸ ѹ ص Ӵص ֹ ݺ ִ׵ ׵ H( G ) F(Hz) -Fc-300 -Fc Fc Fc+300 ...
View Full Document

Ask a homework question - tutors are online