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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3542/CH2/EX2.3 | |
| 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 '3542/CH2/EX2.3')
| -rw-r--r-- | 3542/CH2/EX2.3/B_3.jpg | bin | 0 -> 50031 bytes | |||
| -rw-r--r-- | 3542/CH2/EX2.3/ExB_3.sce | 24 |
2 files changed, 24 insertions, 0 deletions
diff --git a/3542/CH2/EX2.3/B_3.jpg b/3542/CH2/EX2.3/B_3.jpg Binary files differnew file mode 100644 index 000000000..a5365525c --- /dev/null +++ b/3542/CH2/EX2.3/B_3.jpg diff --git a/3542/CH2/EX2.3/ExB_3.sce b/3542/CH2/EX2.3/ExB_3.sce new file mode 100644 index 000000000..a86c003da --- /dev/null +++ b/3542/CH2/EX2.3/ExB_3.sce @@ -0,0 +1,24 @@ +// Example no B.3
+// To determine average output thermal noise power
+// Page no. 614
+
+clc;
+clear all;
+
+// Given data
+T0=300; // Ambient room temperature in K
+Fsys=8; // Noise figure of the system
+Tant=290; // Effective temperature of antenna in K
+K=1.38*10^-23; // Boltzmann's constant in J/K
+B=30000; // Effective bandwidth in Hz
+
+Te=(Fsys-1)*T0; // Effective noise temperature in K
+Ttotal=Tant+Te; // Overall system noise temperature in K
+
+// To determine average output thermal noise power
+Pn=(1+(Ttotal/T0))*K*T0*B; // Average output thermal noise power in W
+Pn=10*log10(Pn/(10^-3)); // Average output thermal noise power in dBm
+
+// Displaying the result in command window
+printf('\n Average output thermal noise power = %0.1f dBm',Pn);
+
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