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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /40/CH9/EX9.2/Exa_9_2.sce | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '40/CH9/EX9.2/Exa_9_2.sce')
| -rwxr-xr-x | 40/CH9/EX9.2/Exa_9_2.sce | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/40/CH9/EX9.2/Exa_9_2.sce b/40/CH9/EX9.2/Exa_9_2.sce new file mode 100755 index 000000000..25164168a --- /dev/null +++ b/40/CH9/EX9.2/Exa_9_2.sce @@ -0,0 +1,12 @@ +//Impulse invariant mappings
+//(a)converting H(s)=4s+7/s^2+5s+4 to H(z) using impulse invariance
+s=%s;
+z=%z;
+HS=(4*s+7)/(s^2+5*s+4);
+pfss(HS)
+ts=0.5;
+HZ=3*z/(z-%e^(-4*ts))+z/(z-%e^(-ts))
+//(b)converting H(s)=4s+7/s^2+5s+4 to H(z) using impulse invariance
+HS1=4/((s+1)*(s^2+4*s+5))
+pfss(HS1);
+HZ1=2*z/(z-%e^-ts)+(2*1.414*z^2*cos(-0.75*%pi)-2*1.414*(z/%e)*cos(0.5-0.75*%pi))/(z^2-2*(z/%e)*cos(0.5)+%e^-2)
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