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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 /3788/CH8/EX8.5.2/Ex8_5_2.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 '3788/CH8/EX8.5.2/Ex8_5_2.sce')
| -rw-r--r-- | 3788/CH8/EX8.5.2/Ex8_5_2.sce | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/3788/CH8/EX8.5.2/Ex8_5_2.sce b/3788/CH8/EX8.5.2/Ex8_5_2.sce new file mode 100644 index 000000000..d3378503c --- /dev/null +++ b/3788/CH8/EX8.5.2/Ex8_5_2.sce @@ -0,0 +1,36 @@ +//Example 8.5.2
+//Calculate the rain attenuation
+clc
+clear
+Upfreq=17.80 //17.80Ghz
+ //Polarization=vertical
+kv=0.0510
+av=1.0927
+elevationangle=45
+hs=0.05
+hr=4.00
+R=63
+latitude=25
+Ls=((hr - hs)/(sind(elevationangle)))
+printf("The slant path length is %f km",Ls)
+
+Lg=Ls*cosd(elevationangle)
+printf("The horizontal projection of slant path length is %f km \n",Lg)
+
+Yr=kv*(R)^av
+printf("The specific attenuation is %f dB/km \n",Yr)
+
+r=1/(1+0.78*(sqrt((Lg*Yr)/Upfreq))-0.38*(1-exp(-2*Lg)))
+printf("The horizontal reduction factor for Miami is %f \n",r)
+
+eta=atand((hr - hs)/(Lg*r))
+Lr=(Lg*r)/(cosd(elevationangle))
+X=36-abs(latitude)
+v=1/(1+sqrt(sin(elevationangle))*(31*(1-exp(-(elevationangle/(1+X)))))*(sqrt(Lr*Yr)/Upfreq^2)-0.45)
+printf("Vertical adjustment factor for Miami is %f \n",v)
+
+Le=Lr*v
+printf("Effective path length for Miami %f \n",Le)
+
+A=(Yr*Le)
+printf("Rain attenuation for Miami uplink of the average year is %f dB ",A)
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