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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 /1655/CH7/EX7.9.1 | |
| 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 '1655/CH7/EX7.9.1')
| -rwxr-xr-x | 1655/CH7/EX7.9.1/Example_7_9_1.sce | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/1655/CH7/EX7.9.1/Example_7_9_1.sce b/1655/CH7/EX7.9.1/Example_7_9_1.sce new file mode 100755 index 000000000..babda257b --- /dev/null +++ b/1655/CH7/EX7.9.1/Example_7_9_1.sce @@ -0,0 +1,19 @@ +// Example 7.9.1 page 7.45
+
+clc;
+clear;
+
+lamda=1.4d-6;
+h=6.626d-34; //plank's constant
+c=3d8; //speed of light
+q=1.6d-19; //charge of electron
+eta=65/100; //quantum efficiency
+I=10d-9; //current
+
+NEP= h*c*sqrt(2*q*I)/(eta*q*lamda);
+D=NEP^-1;
+
+printf("\nNoise equivalent power is %.3e W.\nSpecific directivity is %.2e.",NEP,D);
+
+//answers in the book for NEP is 7.683*10^-14, deviation of 0.04*10^-14.
+//answers in the book for D is 13.01 *10^12, deviation of 0.11*10^12.
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