分频器干什么用的？原理是什么？_百度知道.mht

辛苦收集频率测试和同步方面的资料

<DIV class=3Drg_1></DIV></DIV>
<DIV class=3D"mb12 bai">
<DIV class=3Drr_1></DIV>
<DIV class=3Drr_2></DIV>
<DIV class=3Drr_3></DIV>
<DIV class=3Drr>
<DIV class=3Dt1>
<DIV class=3Dico>
<DIV class=3Dibest></DIV></DIV>=D7=EE=BC=D1=B4=F0=B0=B8</DIV>
<DIV class=3Dbc0=20
style=3D"PADDING-RIGHT: 0pt; PADDING-LEFT: 0pt; PADDING-BOTTOM: 5px; =
PADDING-TOP: 5px">
<DIV class=3Dwr>
<DIV class=3D"f14 p90 pl10" =
id=3Dbest_answer_content><CA>=B7=D6=C6=B5=C6=F7=CA=C7=D7=F6=CA=B2=C3=B4=D3=
=C3=B5=C4=A3=BF=20
<BR><BR>=D3=C9=D3=DA=CF=D6=D4=DA=B5=C4=D2=F4=CF=E4=BC=B8=BA=F5=B6=BC=B2=C9=
=D3=C3=B6=E0=B5=A5=D4=AA=B7=D6=C6=B5=B6=CE=D6=D8=B7=C5=B5=C4=C9=E8=BC=C6=B7=
=BD=CA=BD=A3=AC=CB=F9=D2=D4=B1=D8=D0=EB=D3=D0=D2=BB=D6=D6=D7=B0=D6=C3=A3=AC=
=C4=DC=B9=BB=BD=AB=B9=A6=B7=C5=CB=CD=C0=B4=B5=C4=C8=AB=C6=B5=B4=F8=D2=F4=C0=
=D6=D0=C5=BA=C5=B0=B4=D0=E8=D2=AA=BB=AE=B7=D6=CE=AA=B8=DF=D2=F4=A1=A2=B5=CD=
=D2=F4=CA=E4=B3=F6=BB=F2=D5=DF=B8=DF=D2=F4=A1=A2=D6=D0=D2=F4=A1=A2=B5=CD=D2=
=F4=CA=E4=B3=F6=A3=AC=B2=C5=C4=DC=B8=FA=CF=E0=D3=A6=B5=C4=C0=AE=B0=C8=B5=A5=
=D4=AA=C1=AC=BD=D3=A3=AC=B7=D6=C6=B5=C6=F7=BE=CD=CA=C7=D5=E2=D1=F9=B5=C4=D7=
=B0=D6=C3=A1=A3=C8=E7=B9=FB=B0=D1=C8=AB=C6=B5=B4=F8=D0=C5=BA=C5=B2=BB=BC=D3=
=B7=D6=C5=E4=B5=D8=D6=B1=BD=D3=CB=CD=C8=EB=B8=DF=A1=A2=D6=D0=A1=A2=B5=CD=D2=
=F4=B5=A5=D4=AA=D6=D0=C8=A5=A3=AC=D4=DA=B5=A5=D4=AA=C6=B5=CF=EC=B7=B6=CE=A7=
=D6=AE=CD=E2=B5=C4=C4=C7=B2=BF=B7=D6=20
=A1=B0=B6=E0=D3=E0=D0=C5=BA=C5=A1=B1=BB=E1=B6=D4=D5=FD=B3=A3=C6=B5=B4=F8=C4=
=DA=B5=C4=D0=C5=BA=C5=BB=B9=D4=AD=B2=FA=C9=FA=B2=BB=C0=FB=D3=B0=CF=EC=A3=AC=
=C9=F5=D6=C1=BF=C9=C4=DC=CA=B9=B8=DF=D2=F4=A1=A2=D6=D0=D2=F4=B5=A5=D4=AA=CB=
=F0=BB=B5=A1=A3=20
<BR><BR>=B4=D3=B5=E7=C2=B7=BD=E1=B9=B9=C0=B4=BF=B4=A3=AC=B7=D6=C6=B5=C6=F7=
=B1=BE=D6=CA=C9=CF=CA=C7=D3=C9=B5=E7=C8=DD=C6=F7=BA=CD=B5=E7=B8=D0=CF=DF=C8=
=A6=B9=B9=B3=C9=B5=C4LC=C2=CB=B2=A8=CD=F8=C2=E7=A3=AC=B8=DF=D2=F4=CD=A8=B5=
=C0=CA=C7=B8=DF=CD=A8=C2=CB=B2=A8=C6=F7=A3=AC=CB=FC=D6=BB=C8=C3=B8=DF=C6=B5=
=D0=C5=BA=C5=CD=A8=B9=FD=B6=F8=D7=E8=B4=CB=B5=CD=C6=B5=D0=C5=BA=C5=A3=BB=B5=
=CD=D2=F4=CD=A8=B5=C0=D5=FD=BA=C3=CF=EB=B7=B4=A3=AC=CB=FC=D6=BB=C8=C3=B5=CD=
=D2=F4=CD=A8=B9=FD=B6=F8=D7=E8=B4=CB=B8=DF=C6=B5=D0=C5=BA=C5=A3=BB=D6=D0=D2=
=F4=CD=A8=B5=C0=D4=F2=CA=C7=D2=BB=B8=F6=B4=F8=CD=A8=C2=CB=B2=A8=C6=F7=A3=AC=
=B3=FD=C1=CB=D2=BB=B5=CD=D2=BB=B8=DF=C1=BD=B8=F6=B7=D6=C6=B5=B5=E3=D6=AE=BC=
=E4=B5=C4=C6=B5=C2=CA=BF=C9=D2=D4=CD=A8=B9=FD=A3=AC=B8=DF=C6=B5=B3=C9=B7=DD=
=BA=CD=B5=CD=C6=B5=B3=C9=B7=DD=B6=BC=BD=AB=B1=BB=D7=E8=D6=B9=A1=A3=D4=DA=CA=
=B5=BC=CA=B5=C4=B7=D6=C6=B5=C6=F7=D6=D0=A3=AC=D3=D0=CA=B1=CE=AA=C1=CB=C6=BD=
=BA=E2=B8=DF=A1=A2=B5=CD=D2=F4=B5=A5=D4=AA=D6=AE=BC=E4=B5=C4=C1=E9=C3=F4=B6=
=C8=B2=EE=D2=EC=A3=AC=BB=B9=D2=AA=BC=D3=C8=EB=CB=A5=BC=F5=B5=E7=D7=E8=A3=BB=
=C1=ED=CD=E2=A3=AC=D3=D0=D0=A9=B7=D6=C6=B5=C6=F7=D6=D0=BB=B9=BC=D3=C8=EB=C1=
=CB=D3=C9=B5=E7=D7=E8=A1=A2=B5=E7=C8=DD=B9=B9=B3=C9=B5=C4=D7=E8=BF=B9=B2=B9=
=B3=A5=CD=F8=C2=E7=A3=AC=C6=E4=C4=BF=B5=C4=CA=C7=CA=B9=D2=F4=CF=E4=B5=C4=D7=
=E8=BF=B9=C7=FA=CF=DF=D0=C4=C0=ED=C6=BD=CC=B9=D2=BB=D0=A9=A3=AC=D2=D4=B1=E3=
=D3=DA=B9=A6=B7=C5=C7=FD=B6=AF=A1=A3</CA><BR>=B2=CE=BF=BC=D7=CA=C1=CF=A3=BA=
<A=20
href=3D"http://house.focus.cn/msgview/2193/44490317.html"=20
target=3D_blank>http://house.focus.cn/msgview/2193/44490317.html</A></DIV=
>
<DIV class=3Dgray id=3Dbest_answer_info style=3D"MARGIN: 5px" =
align=3Dright>=BB=D8=B4=F0=D5=DF=A3=BA <A=20
href=3D"http://passport.baidu.com/?business&amp;aid=3D6&amp;un=3Dyubinghu=
a#2"=20
target=3D_blank>yubinghua</A> -<A=20
href=3D"http://www.baidu.com/search/zhidao_help.html#n5" =
target=3D_blank> =B8=DF=BC=B6=BE=AD=C0=ED=20
=C6=DF=BC=B6</A><SPAN id=3Dim-user-e2a5797562696e676875611e00 =
title=3Dyubinghua>&nbsp;</SPAN>=20
<SPAN id=3Dbest_answer_time>3-24 09:40</SPAN></DIV>
<DIV style=3D"MARGIN: 5px; TEXT-ALIGN: right"><A=20
href=3D"http://zhidao.baidu.com/remark/5247878.html"=20
target=3D_blank>=CE=D2=C0=B4=C6=C0=C2=DB&gt;&gt;</A></DIV>
<DIV =
class=3Dt2>=CC=E1=CE=CA=D5=DF=B6=D4=D3=DA=B4=F0=B0=B8=B5=C4=C6=C0=BC=DB=A3=
=BA</DIV>
<DIV class=3D"p90 pl10 f14" id=3Dbest_answer_comment>=D0=BB=D0=BB</DIV>
<DIV =
class=3Dt2>=C6=C0=BC=DB=D2=D1=BE=AD=B1=BB=B9=D8=B1=D5&nbsp;&nbsp;&nbsp;&n=
bsp;<SPAN class=3D"f12 gray"=20
style=3D"FONT-WEIGHT: normal">=C4=BF=C7=B0=D3=D0 1 =
=B8=F6=C8=CB=C6=C0=BC=DB</SPAN></DIV>
<DIV class=3Dpl10>
<FORM name=3Dfpj action=3D/q method=3Dpost>
<TABLE cellSpacing=3D0 cellPadding=3D0 border=3D0>
  <TBODY>
  <TR vAlign=3Dtop><INPUT type=3Dhidden value=3D22 name=3Dct> <INPUT =
type=3Dhidden=20
    name=3Dmpn> <INPUT type=3Dhidden value=3D100003 name=3Dcm> <INPUT =
type=3Dhidden=20
    value=3D5247878 name=3Dqid> <INPUT type=3Dhidden value=3Diksubmit =
name=3Dtn> <INPUT=20
    type=3Dhidden value=3D/question/5247878.html name=3Dlu>
    <SCRIPT>function g(w){ =
document.fpj.mpn.value=3Dw;};document.fpj.lu.value=3Descape(location.href=
)</SCRIPT>
    =20
    <TD class=3Df14 width=3D120>=BA=C3<BR><SPAN class=3Dred>100%</SPAN> =
=A3=A81=A3=A9</TD>
    <TD class=3Df14 width=3D120>=B2=BB=BA=C3<BR><SPAN class=3Dgrn>0%=20
</SPAN>=A3=A80=A3=A9</TD></TR></TBODY></TABLE></FORM></DIV></DIV></DIV></=
DIV>
<DIV class=3Drr_4></DIV>
<DIV class=3Drr_5></DIV>
<DIV class=3Drr_1></DIV></DIV><A name=3Direlatelink></A>
<DIV class=3D"mb12 bai">
<DIV class=3Drg_1></DIV>
<DIV class=3Drg_2></DIV>
<DIV class=3Drg_3></DIV>
<DIV class=3Drg>
<DIV class=3Dt1>
<DIV class=3Dico>
<DIV class=3Direlate></DIV></DIV>=CF=E0=B9=D8=C4=DA=C8=DD</DIV>
<DIV class=3Dbc0 id=3Drelate_question>
<TABLE class=3DrelateTable id=3DqbRelateTable cellSpacing=3D0 =
cellPadding=3D0=20
  border=3D0><TBODY id=3DqbRelateTableBody>
  <TR>
    <TD class=3Dgray vAlign=3Dtop width=3D10>&#8226; </TD>
    <TD class=3Df14><A=20
      href=3D"http://zhidao.baidu.com/question/17342368.html?fr=3Dqrl"=20
      =
target=3D_blank><CR>=D3=D0=CF=DF=B5=E7=CA=D3=B5=C4=B7=D6=C6=B5=C6=F7=CA=C7=
=CA=B2=C3=B4=D4=AD=C0=ED=A3=BF</CR></A></TD></TR>
  <TR>
    <TD class=3Dgray vAlign=3Dtop width=3D10>&#8226; </TD>
    <TD class=3Df14><A=20
      href=3D"http://zhidao.baidu.com/question/71452951.html?fr=3Dqrl"=20
      =
target=3D_blank><CR>=D3=D0=C3=BB=D3=D0=B5=B9=BC=C6=CA=B1/=BC=C6=CA=B1=C6=F7=
/=BC=C6=CA=FD=C6=F7=B5=C4=D4=AD=C0=ED=CD=BC</CR></A></TD></TR>
  <TR>
    <TD class=3Dgray vAlign=3Dtop width=3D10>&#8226; </TD>
    <TD class=3Df14><A=20
      href=3D"http://zhidao.baidu.com/question/64704518.html?fr=3Dqrl"=20
      =
target=3D_blank><CR>=CE=AA=CA=B2=C3=B4=D3=D0=B5=C4=B5=E7=C4=D4=D2=F4=CF=E4=
=B5=CD=D2=F4=C5=DA=C9=CF=D2=B2=D3=D0=D2=BB=B8=F6=B4=F3=C0=AE=B0=C8</CR></=
A></TD></TR>
  <TR>
    <TD class=3Dgray vAlign=3Dtop width=3D10>&#8226; </TD>
    <TD class=3Df14><A=20
      href=3D"http://zhidao.baidu.com/question/58301364.html?fr=3Dqrl"=20
      =
target=3D_blank><CR>=CF=E0=CE=BB=BC=F8=C6=B5=C6=F7=B5=C4=B9=A4=D7=F7=D4=AD=
=C0=ED</CR></A></TD></TR>
  <TR>
    <TD class=3Dgray vAlign=3Dtop width=3D10>&#8226; </TD>
    <TD class=3Df14><A=20
      href=3D"http://zhidao.baidu.com/question/48147920.html?fr=3Dqrl"=20
      =
target=3D_blank><CR>=CA=B2=C3=B4=CA=C7=D2=C6=C6=B5=C6=F7</CR></A></TD></T=
R>
  <TR>
    <TD class=3DrelateTag =
colSpan=3D2>=B2=E9=BF=B4=CD=AC=D6=F7=CC=E2=CE=CA=CC=E2=A3=BA<SPAN><A=20
      =
href=3D"http://zhidao.baidu.com/topic?ct=3D29&amp;tn=3Diktopic&amp;word=3D=
%B7%D6%C6%B5%C6%F7&amp;fr=3Drtag"=20
      target=3D_blank>=B7=D6=C6=B5=C6=F7</A></SPAN> <SPAN><A=20
      =
href=3D"http://zhidao.baidu.com/topic?ct=3D29&amp;tn=3Diktopic&amp;word=3D=
%D4%AD%C0%ED&amp;fr=3Drtag"=20
      target=3D_blank>=D4=AD=C0=ED</A></SPAN> =
</TD></TR></TBODY></TABLE></DIV></DIV>
<DIV class=3Drg_4></DIV>
<DIV class=3Drg_5></DIV>
<DIV class=3Drg_1></DIV></DIV></DIV></DIV>
<DIV id=3Daside>
<DIV class=3D"mb12 bai" id=3Dpush_question>
<DIV class=3Dcp_1></DIV>
<DIV class=3Dcp_2></DIV>
<DIV class=3Dcp_3></DIV>
<DIV class=3Dcp>
<DIV class=3Dt1>=B5=C8=B4=FD=C4=FA=C0=B4=BB=D8=B4=F0</DIV>
<DIV class=3Dbc0>
<DIV class=3Dbai id=3Dcpush_data></DIV></DIV></DIV>
<DIV class=3Dcp_4></DIV>
<DIV class=3Dcp_5></DIV>
<DIV class=3Dcp_1></DIV></DIV>
<SCRIPT>=0A=
    function cpush(C,H,E){function F(N,K){if(N.length<=3DK){return N}var =
L=3Ddocument.createElement("textarea");try{L.innerHTML=3DN}catch(O){L.val=
ue=3DN}var M=3DL.value;M=3DM.replace(new =
RegExp("(\\S{"+K+"})","img"),"$1<wbr>&shy;");M=3DM.replace(/<wbr>/img,"\1=
").replace(/</img,"&lt;").replace(/>/img,"&gt;").replace(/\1/img,"<wbr>")=
;return M}function B(N,L){var K=3Ddocument.getElementsByName(N);for(var =
O=3D0,M=3DK.length;O<M;O++){K[O].innerHTML=3DF(K[O].innerHTML,L)}}functio=
n I(L){var =
K=3Ddocument.createElement("li");K.onmouseover=3Dfunction(){this.classNam=
e=3D"hover"};K.onmouseout=3Dfunction(){this.className=3D""};K.innerHTML=3D=
"<a href=3D'\1' title=3D'\2' name=3D'cpush_question' =
target=3D'_blank'>\2</a>".replace(/\1/,"/question/"+L.id+".html?fr=3D"+(H=
?"newQuestion":"cpush")+(E?"&test=3D"+E:"")).replace(/\2/g,L.title);try{r=
eturn =
K}finally{K=3Dnull}}if(0=3D=3DC.length){G("push_question").style.display=3D=
"none"}var J=3Ddocument.createElement("ul");J.className=3D"push";for(var =
D=3D0,A=3DC.length;D<A;D++){J.appendChild(I(C[D]))}G("cpush_data").append=
Child(J);B("cpush_question",10)};=0A=
    =0A=
    cpush([{id:80555651,title:"=C7=F3=D0=C7=BC=CA Iloveoov vs =
Reach=A3=A8UZOO =
MSL=B0=DC=D5=DF=D7=E9=D7=BC=BE=F6=C8=FC=B5=C4REP=BB=F2=D5=DF=C2=BC=CF=F1"=
},{id:80593292,title:"=D3=D0=CB=AD=C4=DC=B7=A2=B8=F6=D0=C7=BC=CA=D5=F9=B0=
=D47VS1=B5=C4=CD=BC=B8=F8=CE=D2"},{id:80592891,title:"=C7=F3=D0=C7=BC=CA=D5=
=F9=B0=D4 =
=C8=CB=D7=E5=D4=CB=CA=E4=BB=FA=B5=C4=D2=F4=D0=A7~~~~"},{id:80590751,title=
:"=D0=C7=BC=CA=D5=F9=B0=D4=B9=A5=C2=D4"},{id:80416518,title:"=CD=AC=B7=BD=
=D5=E6=B0=AE8280u=A3=A8DDR512=A3=A9=B5=C4=B5=E7=C4=D4=A3=AC=CF=D6=D4=DA=CF=
=EB=BB=BBDDR800=B5=C4=C4=DA=B4=E6=CD=E6=D0=C7=BC=CA2=A3=AC=D3=A6=B8=C3=D1=
=A1=C4=C4=BF=EE=D6=F7=B0=E5=A3=BF=CA=C7=B2=BB=CA=C7=D3=D0=BB=EC=BA=CF=BD=BB=
=BB=F0=B5=C4=BA=C3=B5=E3"},{id:80576817,title:"=D0=A1=CB=B5=A1=B6=D0=C7=BC=
=CA=B5=C1=C4=B9=A1=B7=D4=F5=D1=F9=C3=E2=B7=D1=C8=AB=CE=C4=CF=C2=D4=D8=A3=BF=
"},{id:80571230,title:"=D0=C7=BC=CA=C9=F1=D7=E5=D3=D0=C3=BB=D3=D0=D0=D4=B1=
=F0=B5=C4=A3=BF=C8=E7=BA=CE=B7=B1=D6=B3=A3=BF"},{id:80555792,title:"=D0=C7=
=BC=CA=BC=D2=D4=B0=D4=F5=C3=BB=B3=E4=D6=B5=A3=BF"}],=0A=
        0,=0A=
        0=0A=
    );=0A=
    =0A=
</SCRIPT>

<DIV class=3Dcprodiv id=3Dcproshow><!--STATUS OK-->
<SCRIPT>if(!g_f_js){var g_f_js=3Dtrue;document.write('<script =
src=3D\'http://eiv.baidu.com/other/ff.js\'></'+'script>');}</SCRIPT>

<TABLE cellSpacing=3D0 cellPadding=3D0 border=3D0>
  <TBODY>
  <TR>
    <TD>
      <DIV class=3Dr id=3Dbdfs0><A id=3Ddfs0=20
      onmouseover=3D"return ss('=C1=B4=BD=D3=D6=C1 www.yzhtdq.com')" =
onmouseout=3Dcs()=20
      =
href=3D"http://www.baidu.com/cpro.php?9NnK00aLmg_gz05NV33DpeJENv5vqnaJeqm=
lROiOI_u5_RU3t3-iVoaTPQhhif9TdKw5pjAIao1EaDXqxQ1j4ZVtIsK9QaVTq02u1Gm.7b_j=
wsdRQEmBaZZsk4FdQSvFLKzs346.U1YkFMPG5Hf4"=20
      target=3D_blank><FONT size=3D+0><FONT =
color=3D#c60a00>=BD=E1=BA=CF=C2=CB=B2=A8=C6=F7</FONT>=CA=D7=D1=A1=D1=EF=D6=
=DD=BA=EA=CD=BC</FONT>=20
      </A><BR><SPAN id=3Dbdfs0 onclick=3Dga(this,event)><FONT=20
      =
color=3D#000000>=D1=EF=D6=DD=BA=EA=CD=BC=B5=E7=C6=F8=D3=D0=CF=DE=B9=AB=CB=
=BE=CA=C7=C9=FA=B2=FA=B5=E7=C1=A6=D4=D8=B2=A8<FONT=20
      =
color=3D#c60a00>=BD=E1=BA=CF=C2=CB=B2=A8=C6=F7</FONT>,=B5=E7=C0=C2=BA=CD=B5=
=E7=C1=A6=BD=DA=C4=DC=B2=FA=C6=B7=BF=AA=B7=A2=BA=CD=C9=FA=B2=FA=B5=C4=BD=AD=
=CB=D5..</FONT><BR><FONT=20