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Diffstat (limited to '2183/CH8/EX8.2.b')
| -rwxr-xr-x | 2183/CH8/EX8.2.b/Ex_8_2_b.sce | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/2183/CH8/EX8.2.b/Ex_8_2_b.sce b/2183/CH8/EX8.2.b/Ex_8_2_b.sce new file mode 100755 index 000000000..7749940ee --- /dev/null +++ b/2183/CH8/EX8.2.b/Ex_8_2_b.sce @@ -0,0 +1,16 @@ +// Example 8.2.b //minumum incident optical power +clc; +clear; +close; +en=10^-9; +n=-log(en);// +c=3*10^8;//m/s +ht=6.62*10^-34;//plank constt. +B=10^7;//NO. OF BITS +h=0.85*10^-6;//wavelength in meter +Po=((20.7*ht*B*c)/(2*h));//pulse energy in pico Watt +Podb=10*(log10(Po));//pulse energy in dB when refrence level is one Watt +Podb1=10*(log10(Po*10^3));//pulse energy in dB when refrence level is one mili Watt +disp(Po, "minimum incident optical power in Watts is") +disp(Podb1 , "pulse energy in dB when refrence level is one miiliwatt in dBm") + |