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Diffstat (limited to '2279/CH7/EX7.19')
| -rw-r--r-- | 2279/CH7/EX7.19/Ex7_19.sce | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/2279/CH7/EX7.19/Ex7_19.sce b/2279/CH7/EX7.19/Ex7_19.sce new file mode 100644 index 000000000..8d2c2918c --- /dev/null +++ b/2279/CH7/EX7.19/Ex7_19.sce @@ -0,0 +1,25 @@ +//Discrete Time Fourier Transform of +//x[n]= 1 , abs(n)<=M1 +clear; +clc; +close; +// DTS Signal +M1 = 2; +n = -M1:M1; +x = ones(1,length(n)); +Wmax = 2*%pi; +K = 4; +k = 0:(K/1000):K; +W = k*Wmax/K; +XW = x* exp(-sqrt(-1)*n'*W); +XW_Mag = real(XW); +W = [-mtlb_fliplr(W), W(2:1001)]; // Omega from -Wmax to Wmax +XW_Mag = [mtlb_fliplr(XW_Mag), XW_Mag(2:1001)]; +//plot for abs(a)<1 +figure +subplot(2,1,1); +plot2d3('gnn',n,x,2); +xtitle('Discrete Time Sequence x[n]','n','x[n]') +subplot(2,1,2); +plot2d(W,XW_Mag); +xtitle('Discrete Time Fourier Transform X(exp(jW))','w','|X(exp(jW))|')
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