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Izbira učinkovite modulacije
FM 50kHz
FM 25kHz
FM 12.5kHz
SSB 5kHz
Modulacija
Koleb Δf
±15kHz
±6kHz
±1.5kHz
BR=Bu=3kHz
m=Δf/Bu
5
2
0.5
3m2
75
12
0.75
1
rm/ru
1.08
1.70
3.40
3.16
K50
1
2
4
10
η•K50
0.929
0.549
0.207
0.231
η
0.929
1.098
0.827
2.309
FM prag?
Dober!
Slab!
Presluh?
Ocena
FM 50kHz
FM 25kHz
FM 12.5kHz
SSB 5kHz
Učinkovitost
η•K50
Potrjeno z
meritvami!