updated the code

1 files changed, 43 insertions, 44 deletions

diff --git a/116/CH8/EX8.5/exa8_5.sce b/116/CH8/EX8.5/exa8_5.sce
index 8fa8e320d..107eeb6ab 100755
--- a/116/CH8/EX8.5/exa8_5.sce
+++ b/116/CH8/EX8.5/exa8_5.sce
@@ -1,45 +1,44 @@
-  

-//Caption:Program to determine the system gain

- 

-//Example 8.5

- 

-//Page 405

- 

-//Refer to table 8.2 and figure 8.8 on page 394

- 

-dr=565//data rate

-

-wl=1550*10^-9//wavelength

-

-disp('The use of 5B6B line code implies the line data rate is,')

-

-565*(6/5)

-

-//678Mbps

- 

-disp('The receiver sensitivity for 678 Mbps is determined from fig 8.8 or table 8.2 as ')

- 

-rsen=-34.5

-

-A=(-5-rsen)//system gain 

- 

-BDP=[500/(17*0.4)]

-

-BDPs=[73.6/0.678]

- 

-lossp=(0.2+0.2)*(65)

- 

-lossm=A-lossp

- 

-//Result

- 

-//System gain = 29.5 dB

- 

-//BDP = 73.6 Gbps

- 

-//BDP spacing = 109 km

- 

-//Path Loss = 26 dB

- 

-//Loss Margin = 3.5 dB

+
+ 
+//Example 8.5
+ 
+//Page 405
+ 
+//Refer to table 8.2 and figure 8.8 on page 394
+ 
+dr=565//data rate
+
+wl=1550*10^-9//wavelength
+
+disp('The use of 5B6B line code implies the line data rate is,')
+
+565*(6/5)
+
+//678Mbps
+ 
+disp('The receiver sensitivity for 678 Mbps is determined from fig 8.8 or table 8.2 as ')
+ 
+rsen=-34.5
+
+A=(-5-rsen)//system gain 
+ 
+BDP=[500/(17*0.4)]
+
+BDPs=[73.6/0.678]
+ 
+lossp=(0.2+0.2)*(65)
+ 
+lossm=A-lossp
+ 
+//Result
+ 
+//System gain = 29.5 dB
+ 
+//BDP = 73.6 Gbps
+ 
+//BDP spacing = 109 km
+ 
+//Path Loss = 26 dB
+ 
+//Loss Margin = 3.5 dB
  
\ No newline at end of file