1 files changed, 16 insertions, 0 deletions
diff --git a/716/CH9/EX9.2/Solved_Ex9_2.sce b/716/CH9/EX9.2/Solved_Ex9_2.sce
new file mode 100755
index 000000000..588f06e7c
--- /dev/null
+++ b/716/CH9/EX9.2/Solved_Ex9_2.sce
@@ -0,0 +1,16 @@
+//compute 4 point DFT of signal x(n)={0,1,2,3}
+clc;
+clear;
+n=0:1:3;//for four point DFT
+x=[0 1 2 3];
+disp(x,'Given signal=>    x(n)=');
+X=dft(x,-1);
+disp(X,'four point DFT of x(n)=>');
+disp(abs(X),'magnitude of four point DFT x(n)=>');
+disp(atan(imag(X),real(X)),'phase of four point DFT x(n)=>');
+subplot(1,2,1)
+plot2d3(n,abs(X),2);
+xtitle('Magnitude Spectrum','k','|X(k)|');
+subplot(1,2,2)
+plot2d3(n,atan(imag(X),real(X)),2);
+xtitle('Phase Spectrum','k','angle(X(k))');
+\ No newline at end of file