diff options
| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3547/CH8/EX8.6/EX8_6.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
| download | Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.gz Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.bz2 Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.zip | |
initial commit / add all books
Diffstat (limited to '3547/CH8/EX8.6/EX8_6.sce')
| -rw-r--r-- | 3547/CH8/EX8.6/EX8_6.sce | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/3547/CH8/EX8.6/EX8_6.sce b/3547/CH8/EX8.6/EX8_6.sce new file mode 100644 index 000000000..700f9856d --- /dev/null +++ b/3547/CH8/EX8.6/EX8_6.sce @@ -0,0 +1,21 @@ +// Example 8.6
+// To find the mean number of signal photons required in a shot noise-limited coherent communication system based on OOK for the following cases: (i) balanced homodyne receiver; (ii)balanced heterodyne receiver (a) a balanced homodyne or (b) a balanced heterodyne
+// Page no. 384
+
+clc;
+clear;
+close;
+
+// Given data
+Pb=1*10^-9; //Error probability
+neta=1; //quantum efficiency
+
+//a)for balanced homodyne receiver
+Ns=(erfinv(1-(2*neta*Pb)))^2;
+
+//(b)for balanced heterodyne receiver
+Ns1=(erfinv(1-(2*neta*Pb))*sqrt(2))^2;
+
+//Displaying the result in command window
+printf("\n For a balanced homodyne receiver with PSK signal = %0.0f ",Ns);
+printf("\n For a balanced heterodyne receiver with PSK signal = %0.0f ",Ns1);
|