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<div class="moz-cite-prefix">V nasom pripade sa bavime o
spracovavani AM/PM signalu o frekvencii 77kHz s datovym tokom 1Bd.
Myslim, ze to sa da naprogramovat aj do hrdzaveho klinca (c) wek.<br>
b.<br>
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On 03/09/2015 09:48, Zuffa Jan wrote:<br>
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<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Vyrobcovia
udavaju efective resolution kde si treba ale dat pozor<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">ci
je odvodene rozlisenie od rms alebo od Vpp. Dalej<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">vypocet
12*6 asi nie je uplne spravny pretoze aj ked z pohladu
prevodniku<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">je
pravdivy z pohladu signalu je jeden bit pouzity na polaritu
+/- signalu<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Hoci
moznosti digitalneho spracovania signalu su nedozierne (kto
raz skusi uz sa k analogu nikdy nevrati
</span><span
style="font-size:11.0pt;font-family:Wingdings;color:#1F497D">J</span><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">
)<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">vsetko
zavisi hlavne od toho aky je k dispozicii vypoctovy vykon.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Balu
pise ze demodulacia hocicoho je hracka. No v celku ma aj
pravdu lebo v pripade am/fm<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">je
to naozaj jeden vzorec. U digitalnych formatov je potrebna
uz ale urcita uroven znalosti,<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">napriek
tomu sa to da bezpecne zvladnut bez studovania matematickych
hieroglyfov
</span><span
style="font-size:11.0pt;font-family:Wingdings;color:#1F497D">J</span><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Je
tu este jedna zasadna vec a to je spracovanie vo vektorovom
formate a od toho zavisi hw<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">dizajd
front-endu. Ak mate vektor, viete aktualnu amplitudu, fazu,
neexistuje nieco ako<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">signal
blizko Fs/2 neviete zmerat, pri zmiesavani si sa signal
posuva, nevytvara sa suctova a rozdielova zlozka<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">a
vypocty ako FFT su nativne v komplexnom formate.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Spracovavat
100MS/s asi tiez nezvladne kde aky procesor.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">A
nakoniec cievok a filtrov sa nikdy nezbavite (cievky je
mozne nahradit saw filtrami a tak)<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">mozu
byt sucastou DPS ale vzdy tam budu.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">j.<o:p></o:p></span></p>
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