WikiStart: kmm.txt

File kmm.txt, 659 bytes (added by 152071, 7 years ago)
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11.a)1000b/100b/s=10s
25skoka*10s=50s
3b)5paketa*20b=100b
41000b+100b=1100b
51100b/100b/s=11s
65skoka*11s=55s
72.H=2kHz=2000Hz
8S/N=63
9Shannon
10Dm=H*log2(1+S/N)=2000Hz*6=12000b/s=1.2Mb/s
11Nyquist
12Dm=2H*log2V
1312000b/s=4000Hz*log2V
14log2V=3
15V=2^3=8 nivoa
163.a)QAM
17b)D=R/L=4800bps/3bita=1600baud
18v)8fazi*4nivoa=32=2^5 => L=5bita
194.maximumtransmissionspeed
205.ab239312
211010 1011 0010 0011
221001 0011 0001 0010
23-------------------
240011 1110 0011 0110(ima overflow)
253 e 3 6
263e36 != c1ca -> error
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31164.10.10.100 so 19.1.1.1
32201.32.40.37 so 164.10.10.129
3319.11.112 19.1.1.0
34164.10.10.200 so 164.10.10.128/25
35194.149.139.12 so 192.168.1.1
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