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ID number:574619
 
Author:
Evaluation:
Published: 03.01.2013.
Language: Latvian
Level: Secondary school
Literature: n/a
References: Not used
Time period viewed: 2000 - 2010 years
2011 - 2015 years
Extract

Amplitūdas modulācijas trūkumi salīdzinājumā ar Frekvenču modulāciju
1. AM ir liela nelietderīgā jauda
2. FM trūkumu nav , jo informācija atrodas vienā joslā
3. AM signālam ir liela traucējumu ietekme (atmosfēra un rūpniecība)
4. AM atļautās joslas pārraides platums ir 10 kHz uz abām sānu joslām
5. Paša signāla izstarošana no antenas
6. FM ir ultra īsie viļņi, kuri izdalās tiešā redzamības attālumā

Latvijā praktiski visur pāriets no AM uz FM

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