SW problem - vymyslite reseni?

Hynek Sladky sladky
Středa Březen 17 11:49:40 CET 2004 

Dobry den,
dle meho nazoru je nutne merit zmenu casoveho rozdilu mezi
hranou A a B

Hynek Sladky

----- Original Message -----
From: Zdenek Dvorak <zdvorak@chaos.cz>
To: Multiple recipients of list <hw-news@list.gin.cz>
Sent: Thursday, October 26, 2000 10:11 PM
Subject: SW problem - vymyslite reseni?


>
> mam krasny problem na reseni, a momentalne me nenapada jak
na to. Na prvni
> pohled se to zda malickost, ale cim vic na tom premyslim
tak tim vic se v
> tom zamotavam. Treba vas napadne neco chytreho:
>
> mate dva dvoustavove signaly o TEMER stejne freqenci se
stridou 1:1. Ta
> freqence se ale prece jen o nemeritelne malicko lisi a tak
se ty signaly
> vzajemne fazove posunuji. Kdyz je freqence B mensi nez A,
tak se B opozduje
> (posunuje doprava) a opacne. Kazda hrana signalu B vyvola
preruseni ve
> kterem se precte stav signalu A (vraci 1 nebo 0).
Potrebuju algoritmus pro
> zjisteni ktery signal ma vyzsi freqenci (samozrejme
vzhldem k pomalemu
> posunu pocitam, ze ten vypocet muze trvat dlouho).
>
> diky chaos
>
>
> Stav  pri zacatku mereni
>
> A  _____~~~~~_____~~~~~_____
>
> B  _____~~~~~_____~~~~~_____
>
>
>
>
> Freq B < A
>
>
> Cas T0+1
>
> A  _____~~~~~_____~~~~~_____
>
> B  ~_____~~~~~_____~~~~~____
>
>
>
> Cas T0+2
>
> A  _____~~~~~_____~~~~~_____
>
> B  ~~_____~~~~~_____~~~~~___
>
>
>
>
> Freq A < B
>
> Cas T0+1
>
> A  _____~~~~~_____~~~~~_____
>
> B  ____~~~~~_____~~~~~_____~
>
>
> Cas T0+2
>
> A  _____~~~~~_____~~~~~_____
>
> B  ___~~~~~_____~~~~~_____~~
>
>
>
>
> ------=_NextPart_000_000E_01C03F99.AB78F0F0
> Content-Type: text/html;
> charset="iso-8859-2"
> Content-Transfer-Encoding: quoted-printable
>
> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0
Transitional//EN">
> <HTML><HEAD>
> <META http-equiv=3DContent-Type content=3D"text/html; =
> charset=3Diso-8859-2">
> <META content=3D"MSHTML 5.50.4134.600" name=3DGENERATOR>
> <STYLE></STYLE>
> </HEAD>
> <BODY bgColor=3D#ffffff>
> <DIV><FONT face=3DArial size=3D2><SPAN
class=3D788214419-26102000>mam =
> krasny problem=20
> na reseni, a momentalne me nenapada jak na to. Na prvni
pohled se to zda =
>
> malickost, ale cim vic na tom premyslim tak tim vic se v
tom zamotavam. =
> Treba=20
> vas napadne neco chytreho:</SPAN></FONT></DIV>
> <DIV><FONT face=3DArial size=3D2><SPAN=20
> class=3D788214419-26102000></SPAN></FONT>&nbsp;</DIV>
> <DIV><FONT face=3DArial size=3D2><SPAN
class=3D788214419-26102000>mate=20
> dva&nbsp;dvoustavove signaly o TEMER stejne freqenci se
stridou 1:1. Ta =
> freqence=20
> se ale prece jen o nemeritelne malicko lisi a tak se ty
signaly&nbsp; =
> vzajemne=20
> fazove posunuji. Kdyz je freqence B mensi nez A, tak se B
opozduje =
> (posunuje=20
> doprava) a opacne. Kazda hrana signalu B vyvola preruseni
ve kterem se =
> precte=20
> stav signalu A (vraci 1 nebo 0). Potrebuju algoritmus pro
zjisteni ktery =
> signal=20
> ma vyzsi freqenci (samozrejme vzhldem k pomalemu posunu
pocitam, ze ten =
> vypocet=20
> muze trvat dlouho). </SPAN></FONT></DIV>
> <DIV><FONT face=3DArial size=3D2><SPAN=20
> class=3D788214419-26102000></SPAN></FONT>&nbsp;</DIV>
> <DIV><FONT face=3DArial size=3D2><SPAN
class=3D788214419-26102000>diky =
> chaos=20
> </SPAN></FONT></DIV>
> <DIV><FONT face=3DArial size=3D2><SPAN=20
> class=3D788214419-26102000></SPAN></FONT>&nbsp;</DIV>
> <DIV><FONT face=3DArial size=3D2><SPAN=20
> class=3D788214419-26102000></SPAN></FONT>&nbsp;</DIV>
> <DIV><FONT face=3DArial size=3D2><SPAN =
> class=3D788214419-26102000>Stav&nbsp; pri=20
> zacatku mereni</SPAN></FONT></DIV>
> <DIV><FONT face=3DArial size=3D2><SPAN=20
> class=3D788214419-26102000></SPAN></FONT>&nbsp;</DIV>
> <DIV><FONT face=3DArial size=3D2><SPAN =
> class=3D788214419-26102000>A&nbsp;=20
> _____~~~~~_____~~~~~_____</SPAN></FONT></DIV>
> <DIV><FONT face=3DArial size=3D2><SPAN
class=3D788214419-26102000>
> <DIV><FONT face=3DArial color=3D#0000ff size=3D2><SPAN=20
> class=3D788214419-26102000></SPAN></FONT>&nbsp;</DIV>
> <DIV><FONT face=3DArial size=3D2><SPAN =
> class=3D788214419-26102000>B&nbsp;=20
> _____~~~~~_____~~~~~_____</SPAN></FONT></DIV>
> <DIV><FONT face=3DArial color=3D#0000ff size=3D2><SPAN=20
> class=3D788214419-26102000></SPAN></FONT>&nbsp;</DIV>
> <DIV><FONT face=3DArial size=3D2><SPAN
class=3D788214419-26102000>
> <DIV><FONT face=3DArial color=3D#0000ff size=3D2><SPAN=20
> class=3D788214419-26102000></SPAN></FONT>&nbsp;</DIV>
> <DIV><FONT face=3DArial color=3D#0000ff size=3D2><SPAN=20
> class=3D788214419-26102000></SPAN></FONT>&nbsp;</DIV>
> <DIV><FONT face=3DArial color=3D#0000ff size=3D2><SPAN=20
> class=3D788214419-26102000></SPAN></FONT>&nbsp;</DIV>
> <DIV><FONT face=3DArial size=3D2><SPAN
class=3D788214419-26102000>Freq B =
> &lt;=20
> A</SPAN></FONT></DIV>
> <DIV><FONT face=3DArial color=3D#0000ff size=3D2><SPAN=20
> class=3D788214419-26102000></SPAN></FONT>&nbsp;</DIV>
> <DIV><FONT face=3DArial color=3D#0000ff size=3D2><SPAN=20
> class=3D788214419-26102000></SPAN></FONT>&nbsp;</DIV>
> <DIV><FONT face=3DArial color=3D#0000ff size=3D2><SPAN =
> class=3D788214419-26102000>Cas=20
> T0+1</SPAN></FONT></DIV>
> <DIV><FONT face=3DArial color=3D#0000ff size=3D2><SPAN=20
> class=3D788214419-26102000></SPAN></FONT>&nbsp;</DIV>
> <DIV><FONT face=3DArial size=3D2><SPAN =
> class=3D788214419-26102000>A&nbsp;=20
>
_____~~~~~_____~~~~~_____&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp
;&nbsp;&nbsp;=
> &nbsp;&nbsp;&nbsp;=20
> </SPAN></FONT></DIV>
> <DIV><FONT face=3DArial size=3D2><SPAN
class=3D788214419-26102000>
> <DIV><FONT face=3DArial color=3D#0000ff size=3D2><SPAN=20
> class=3D788214419-26102000></SPAN></FONT>&nbsp;</DIV>
> <DIV><FONT face=3DArial size=3D2><SPAN =
> class=3D788214419-26102000>B&nbsp;=20
> ~_____~~~~~_____~~~~~____</SPAN></FONT></DIV>
> <DIV><FONT face=3DArial color=3D#0000ff size=3D2><SPAN =
> class=3D788214419-26102000><FONT=20
> face=3DArial size=3D2><SPAN=20
>
class=3D788214419-26102000></SPAN></FONT></SPAN></FONT>&nbsp
;</DIV>
> <DIV><FONT face=3DArial color=3D#0000ff size=3D2><SPAN =
> class=3D788214419-26102000><FONT=20
> face=3DArial size=3D2><SPAN=20
>
class=3D788214419-26102000></SPAN></FONT></SPAN></FONT>&nbsp
;</DIV>
> <DIV><FONT face=3DArial color=3D#0000ff size=3D2><SPAN =
> class=3D788214419-26102000><FONT=20
> face=3DArial size=3D2><SPAN=20
>
class=3D788214419-26102000></SPAN></FONT></SPAN></FONT>&nbsp
;</DIV>
> <DIV><FONT face=3DArial color=3D#0000ff size=3D2><SPAN =
> class=3D788214419-26102000><FONT=20
> face=3DArial size=3D2><SPAN
class=3D788214419-26102000>Cas=20
> T0+2</SPAN></FONT></SPAN></FONT></DIV>
> <DIV><FONT face=3DArial color=3D#0000ff size=3D2><SPAN =
> class=3D788214419-26102000><FONT=20
> face=3DArial size=3D2><SPAN=20
>
class=3D788214419-26102000></SPAN></FONT></SPAN></FONT>&nbsp
;</DIV>
> <DIV><FONT face=3DArial color=3D#0000ff size=3D2><SPAN =
> class=3D788214419-26102000><FONT=20
> face=3DArial size=3D2><SPAN
class=3D788214419-26102000>A&nbsp;=20
> _____~~~~~_____~~~~~_____</SPAN></FONT></DIV>
> <DIV>
> <DIV><FONT face=3DArial size=3D2><SPAN
class=3D788214419-26102000>
> <DIV><FONT face=3DArial color=3D#0000ff size=3D2><SPAN=20
> class=3D788214419-26102000></SPAN></FONT>&nbsp;</DIV>
> <DIV><FONT face=3DArial size=3D2><SPAN =
> class=3D788214419-26102000>B&nbsp;=20
> ~~_____~~~~~_____~~~~~___</SPAN></FONT></DIV>
> <DIV><FONT face=3DArial size=3D2><SPAN=20
> class=3D788214419-26102000></SPAN></FONT>&nbsp;</DIV>
> <DIV><FONT face=3DArial size=3D2><SPAN=20
> class=3D788214419-26102000></SPAN></FONT>&nbsp;</DIV>
> <DIV><FONT face=3DArial size=3D2><SPAN=20
> class=3D788214419-26102000></SPAN></FONT>&nbsp;</DIV>
> <DIV><FONT face=3DArial size=3D2><SPAN=20
> class=3D788214419-26102000></SPAN></FONT>&nbsp;</DIV>
> <DIV><FONT face=3DArial size=3D2><SPAN
class=3D788214419-26102000>
> <DIV><FONT face=3DArial size=3D2><SPAN =
> class=3D788214419-26102000>Freq&nbsp;A &lt;=20
> B&nbsp;</SPAN></FONT></DIV>
> <DIV><FONT face=3DArial color=3D#0000ff size=3D2><SPAN=20
> class=3D788214419-26102000></SPAN></FONT>&nbsp;</DIV>
> <DIV><FONT face=3DArial size=3D2><SPAN
class=3D788214419-26102000>Cas=20
> T0+1</SPAN></FONT></DIV>
> <DIV><FONT face=3DArial size=3D2><SPAN=20
> class=3D788214419-26102000></SPAN></FONT>&nbsp;</DIV>
> <DIV><FONT face=3DArial size=3D2><SPAN =
> class=3D788214419-26102000>A&nbsp;=20
> _____~~~~~_____~~~~~_____</SPAN></FONT></DIV>
> <DIV><FONT face=3DArial size=3D2><SPAN
class=3D788214419-26102000>
> <DIV><FONT face=3DArial color=3D#0000ff size=3D2><SPAN=20
> class=3D788214419-26102000></SPAN></FONT>&nbsp;</DIV>
> <DIV><FONT face=3DArial size=3D2><SPAN =
> class=3D788214419-26102000>B&nbsp;=20
> ____~~~~~_____~~~~~_____~</SPAN></FONT></DIV>
> <DIV><FONT face=3DArial color=3D#0000ff size=3D2><SPAN =
> class=3D788214419-26102000><FONT=20
> face=3DArial size=3D2><SPAN=20
>
class=3D788214419-26102000></SPAN></FONT></SPAN></FONT>&nbsp
;</DIV>
> <DIV><FONT face=3DArial color=3D#0000ff size=3D2><SPAN =
> class=3D788214419-26102000><FONT=20
> face=3DArial size=3D2><SPAN=20
>
class=3D788214419-26102000></SPAN></FONT></SPAN></FONT>&nbsp
;</DIV>
> <DIV><FONT face=3DArial color=3D#0000ff size=3D2><SPAN =
> class=3D788214419-26102000><FONT=20
> face=3DArial size=3D2><SPAN
class=3D788214419-26102000>Cas=20
> T0+2</SPAN></FONT></SPAN></FONT></DIV>
> <DIV><FONT face=3DArial color=3D#0000ff size=3D2><SPAN =
> class=3D788214419-26102000><FONT=20
> face=3DArial size=3D2><SPAN=20
>
class=3D788214419-26102000></SPAN></FONT></SPAN></FONT>&nbsp
;</DIV>
> <DIV><FONT face=3DArial color=3D#0000ff size=3D2><SPAN =
> class=3D788214419-26102000><FONT=20
> face=3DArial size=3D2><SPAN
class=3D788214419-26102000>A&nbsp;=20
> _____~~~~~_____~~~~~_____</SPAN></FONT></DIV>
> <DIV>
> <DIV><FONT face=3DArial size=3D2><SPAN
class=3D788214419-26102000>
> <DIV><FONT face=3DArial color=3D#0000ff size=3D2><SPAN=20
> class=3D788214419-26102000></SPAN></FONT>&nbsp;</DIV>
> <DIV><FONT face=3DArial size=3D2><SPAN =
> class=3D788214419-26102000>B&nbsp;=20
> ___~~~~~_____~~~~~_____~~</SPAN></FONT></DIV>
> <DIV><FONT face=3DArial size=3D2><SPAN=20
> class=3D788214419-26102000></SPAN></FONT>&nbsp;</DIV>
> <DIV><FONT face=3DArial size=3D2><SPAN=20
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> <DIV><FONT face=3DArial size=3D2><SPAN=20
>
class=3D788214419-26102000></SPAN></FONT>&nbsp;</DIV></SPAN>
</FONT></DIV>=
>
</SPAN></FONT></DIV></SPAN></FONT></DIV></SPAN></FONT></DIV>
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>
></DIV></SPAN></FONT></DIV></SPAN></FONT></DIV></SPAN></FONT
></DIV></SPAN=
> ></FONT></DIV></BODY></HTML>
>
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