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 /3739/CH7/EX7.7/EX7_7.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 '3739/CH7/EX7.7/EX7_7.sce')
| -rw-r--r-- | 3739/CH7/EX7.7/EX7_7.sce | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/3739/CH7/EX7.7/EX7_7.sce b/3739/CH7/EX7.7/EX7_7.sce new file mode 100644 index 000000000..6ddae1ef0 --- /dev/null +++ b/3739/CH7/EX7.7/EX7_7.sce @@ -0,0 +1,26 @@ +//Chapter 7, Example 7.7, page 315
+clc
+
+//Initialisation
+f=15 //frequency in GHz
+f1=18 //frequency in GHz
+R=50 //rain intensity
+ah=1.154
+kh=0.0367
+d=20 //distance in kM
+
+//Calculation
+yr=kh*R**ah
+do=35*exp(-0.015*R) //distance in kM
+de=d/(1+(d/do)) //distance in kM
+Ao=yr*de //Rain Loss in dB
+phi=(f**2)/(1+10**-4*f**2)
+phi1=(f1**2)/(1+10**-4*f1**2)
+H=1.12*10**-3*((phi1/phi)**0.5)*(phi*Ao)**0.55
+Ah=Ao*(phi1/phi)**(1-H)
+Av=(300*Ah)/(335+Ah) //Rain Loss in dB
+
+
+//Results
+printf("(1) Rain Loss, A = %.2f dB",Ao)
+printf("\n(2) rain loss for vertical polarization, Av = %.2f dB",Av)
|