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linuxtv.fi • View topic - <femon> ja prosentit

<femon> ja prosentit

DVB kortit, emolevyt, adapterit, antennit, kotelot jne

<femon> ja prosentit

Postby Raaka » 01.04.2014 18:09

Eräistä posteista täällä huomasin, että DVB-signaalin laadun tutkimiseen on olemassa hyödyllisen näköinen ohjelma femon. Se ilmoittaa signaalin voimakkuuden (STR) ja signaali-kohinasuhteen (SNR).

Molemmat ovat prosentteja.

Mutta...

Mistä ne ovat prosentteja?
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Re: <femon> ja prosentit

Postby nm » 01.04.2014 18:27

Arvot riippuvat laitteistosta ja ajureista. Mitään yhtenäistä kalibroitua asteikkoa ei taida olla käytettävissä. Käytännössä arvot ovat hyödyllisiä yhden laitteen toiminnan seuraamiseen eri tilanteissa, eivätkä niinkään vertailuihin laitteiden välillä.
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Re: Vs: ja prosentit

Postby rofafor » 01.04.2014 18:58

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Re: <femon> ja prosentit

Postby Kameleontti » 01.04.2014 20:36

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Re: Vs: <femon> ja prosentit

Postby Raaka » 01.04.2014 21:16

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Re: Vs: <femon> ja prosentit

Postby nm » 01.04.2014 23:50

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Re: Vs: <femon> ja prosentit

Postby Raaka » 03.04.2014 0:03

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Re: Vs: <femon> ja prosentit

Postby rofafor » 03.04.2014 9:56

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