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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 /998/CH29/EX29.89 | |
| 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 '998/CH29/EX29.89')
| -rwxr-xr-x | 998/CH29/EX29.89/Ex89.sce | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/998/CH29/EX29.89/Ex89.sce b/998/CH29/EX29.89/Ex89.sce new file mode 100755 index 000000000..9eba48082 --- /dev/null +++ b/998/CH29/EX29.89/Ex89.sce @@ -0,0 +1,18 @@ +//Ex:89
+clc;
+clear;
+close;
+t_a=60;// antenna noise temp in k
+l1=1.075;//loss in waveguide in K
+t_o=290;// in K
+t_e2=160;// in K;
+t_e3=10000;// in k
+G2=10^6;// low noise ampr gain
+t_s=(t_a/l1)+(l1-1)*(t_o)/l1;// noise temp in k
+t_e=t_e2+(t_e3/G2);// Equivalent noise temp in K
+t=t_s+t_e;// system noise temp in k
+T=10*log(t)/log(10);//system noise temp in db
+G=66-0.3;// in db
+g_t=G-T;//G/T ratio in db/K
+printf("The system noise temperature=%f K", t);
+printf("\n The G/T ratio=%f db/K", g_t);
\ No newline at end of file |