initial commit / add all books

1 files changed, 15 insertions, 0 deletions

diff --git a/1061/CH10/EX10.4/Ex10_4.sce b/1061/CH10/EX10.4/Ex10_4.sce
new file mode 100755
index 000000000..509817a1e
--- /dev/null
+++ b/1061/CH10/EX10.4/Ex10_4.sce
@@ -0,0 +1,15 @@
+//Ex:10.4

+clc;

+clear;

+close;

+Pi=-2.5;// mean optical power launched into the fiber in dBm

+Po=-45;// mean output optical power available at the receiver in dBm

+a_fc=0.35;// fider cable loss in dB/km

+aj=0.1;// splice loss in db/km

+a_cr=1;// connector losses

+Ma=6;// safety margin in dB

+L=(Pi-Po-a_cr-Ma)/(a_fc+aj);// length in km when system operating at 25 Mbps

+Po1=-35;// mean output optical power available at the receiver in dBm

+L1=(Pi-Po1-a_cr-Ma)/(a_fc+aj);// length in km when system operating at 350 Mbps

+printf("The length when system operating at 25 Mbps =%f km", L);

+printf("\n The length when system operating at 350 Mbps =%f km", L1);
\ No newline at end of file