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School/Analyse/Layers/1. Physical Layer.md
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@ -74,5 +74,24 @@ For example:
These values are specific and are not changing.
## Transmitting Impairments
Signals most often have to deal with problems during transmission. Problems like this are called transmission impairments.
Important transmission impairments are:
### Attenuation
Attenuation is the strength or amplitude of a signal is decreasing over time and distance.
A good analogy for this would be the loss of volume you would hear from a speaker the further you are away from it.
![[attenuation.png]]
This makes is more d
### Distortion
### Noise