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📄 载波的调制方法.mht

📁 本人收集的面试题:包含通信原理
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From: <由 Microsoft Internet Explorer 5 保存>
Subject: =?gb2312?B?tuDDvczlvLzK9byw06bTww==?=
Date: Sun, 17 Sep 2006 14:35:39 +0800
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Content-Location: http://www2.gdin.edu.cn/jkx/webstudy/duomeitijishu/text/52.htm

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<STYLE type=3Dtext/css>BODY {
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<SCRIPT language=3DJavaScript>
<!--
function mmLoadMenus() {
  if (window.mm_menu_0312223955_0) return;
                              window.mm_menu_0312223955_0 =3D new =
Menu("root",265,21,"",15,"#003366","#000000","#CCCCCC","#66CCFF","left","=
middle",3,0,1000,-5,7,true,true,true,0,false,true);
  =
mm_menu_0312223955_0.addMenuItem("1.1&nbsp;=B9=D8=D3=DA=D0=C5=CF=A2=A1=A2=
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tm'");
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mm_menu_0312223955_0.addMenuItem("1.2&nbsp;=C1=CB=BD=E2=B6=E0=C3=BD=CC=E5=
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tm'");
  =
mm_menu_0312223955_0.addMenuItem("1.3&nbsp;=C8=CF=CA=B6=B6=E0=C3=BD=CC=E5=
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mm_menu_0312223955_0.addMenuItem("1.4&nbsp;=B6=E0=C3=BD=CC=E5=BC=BC=CA=F5=
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mm_menu_0312223955_0.addMenuItem("1.5&nbsp;=B6=E0=C3=BD=CC=E5=BC=BC=CA=F5=
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   mm_menu_0312223955_0.menuBorder=3D1;
   mm_menu_0312223955_0.menuLiteBgColor=3D'#000000';
   mm_menu_0312223955_0.menuBorderBgColor=3D'#FFFFFF';
window.mm_menu_0312233754_0 =3D new =
Menu("root",220,21,"",15,"#003366","#000000","#CCCCCC","#66CCFF","left","=
middle",3,0,1000,-5,7,true,true,true,0,false,true);
  =
mm_menu_0312233754_0.addMenuItem("2.1&nbsp;=CD=BC=D0=CE=D3=EB=CD=BC=CF=F1=
=B5=C4=BB=F9=B1=BE=B8=C5=C4=EE&nbsp;","location=3D'21.htm'");
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mm_menu_0312233754_0.addMenuItem("2.2&nbsp;=CD=BC=D0=CE=D3=EB=CD=BC=CF=F1=
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mm_menu_0312233754_0.addMenuItem("2.3&nbsp;=BC=C6=CB=E3=BB=FA=B6=AF=BB=AD=
&nbsp;","location=3D'23.htm'");
   mm_menu_0312233754_0.fontWeight=3D"bold";
   mm_menu_0312233754_0.hideOnMouseOut=3Dtrue;
   mm_menu_0312233754_0.bgColor=3D'#555555';
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   mm_menu_0312233754_0.menuLiteBgColor=3D'#000000';
   mm_menu_0312233754_0.menuBorderBgColor=3D'#FFFFFF';
  window.mm_menu_0312234238_0 =3D new =
Menu("root",210,21,"",15,"#003366","#000000","#CCCCCC","#66CCFF","left","=
middle",3,0,1000,-5,7,true,true,true,0,false,true);
  =
mm_menu_0312234238_0.addMenuItem("3.1&nbsp;=D2=F4=C6=B5=D0=C5=BA=C5=BC=B0=
=CA=FD=D7=D6=BB=AF&nbsp;","location=3D'31.htm'");
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mm_menu_0312234238_0.addMenuItem("3.2&nbsp;=CA=D3=C6=B5=D0=C5=BA=C5=BC=B0=
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mm_menu_0312234238_0.addMenuItem("3.3&nbsp;=CA=D3=C6=B5=D0=C5=BA=C5=CA=FD=
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Menu("root",280,21,"",15,"#003366","#000000","#CCCCCC","#66CCFF","left","=
middle",3,0,1000,-5,7,true,true,true,0,false,true);
  =
mm_menu_0312234546_0.addMenuItem("4.1&nbsp;=CA=FD=D7=D6=CA=D3=C6=B5=D0=C5=
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.htm'");
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mm_menu_0312234546_0.addMenuItem("4.2&nbsp;=D1=B9=CB=F5=B1=E0=C2=EB=BB=F9=
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mm_menu_0312234546_0.addMenuItem("4.3&nbsp;JPEG=D1=B9=CB=F5&nbsp;","locat=
ion=3D'43.htm'");
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mm_menu_0312234546_0.addMenuItem("4.4&nbsp;MPEG-1=B1=E0=C2=EB=D4=AD=C0=ED=
&nbsp;","location=3D'44.htm'");
  =
mm_menu_0312234546_0.addMenuItem("4.5&nbsp;MPEG=A3=AD2&nbsp;","location=3D=
'45.htm'");
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mm_menu_0312234546_0.addMenuItem("4.6&nbsp;MPEG-4=CD=BC=CF=F1=D1=B9=CB=F5=
=B1=EA=D7=BC","location=3D'46.htm'");
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   mm_menu_0312234546_0.menuLiteBgColor=3D'#000000';
   mm_menu_0312234546_0.menuBorderBgColor=3D'#FFFFFF';
  window.mm_menu_0312235046_0 =3D new =
Menu("root",180,21,"",15,"#003366","#000000","#CCCCCC","#66CCFF","left","=
middle",3,0,1000,-5,7,true,true,true,0,false,true);
  =
mm_menu_0312235046_0.addMenuItem("5.1&nbsp;=D0=C5=B5=C0=B1=E0=C2=EB&nbsp;=
","location=3D'51.htm'");
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mm_menu_0312235046_0.addMenuItem("5.2&nbsp;=D4=D8=B2=A8=B5=C4=B5=F7=D6=C6=
=B7=BD=B7=A8","location=3D'52.htm'");
  =
mm_menu_0312235046_0.addMenuItem("5.3&nbsp;=BB=F9=B4=F8=B5=F7=D6=C6=B7=BD=
=B7=A8&nbsp;","location=3D'53.htm'");
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mm_menu_0312235046_0.addMenuItem("5.4&nbsp;=CE=F3=C2=EB=B5=C4=D0=A3=D1=E9=
=D3=EB=BE=C0=B4=ED","location=3D'54.htm'");
   mm_menu_0312235046_0.fontWeight=3D"bold";
   mm_menu_0312235046_0.hideOnMouseOut=3Dtrue;
   mm_menu_0312235046_0.bgColor=3D'#555555';
   mm_menu_0312235046_0.menuBorder=3D1;
   mm_menu_0312235046_0.menuLiteBgColor=3D'#000000';
   mm_menu_0312235046_0.menuBorderBgColor=3D'#FFFFFF';
  window.mm_menu_0312235416_0 =3D new =
Menu("root",230,21,"",15,"#003366","#000000","#CCCCCC","#66CCFF","left","=
middle",3,0,1000,-5,7,true,true,true,0,false,true);
  =
mm_menu_0312235416_0.addMenuItem("6.1&nbsp;=B6=E0=C3=BD=CC=E5=D0=C5=CF=A2=
=B5=C4=B4=C5=BD=E9=D6=CA=B4=E6=B4=A2&nbsp;","location=3D'61.htm'");
  =
mm_menu_0312235416_0.addMenuItem("6.2&nbsp;=CA=FD=D7=D6=B9=E2=C5=CC","loc=
ation=3D'62.htm'");
  =
mm_menu_0312235416_0.addMenuItem("6.3&nbsp;=B6=E0=C3=BD=CC=E5=CA=FD=BE=DD=
=BF=E2=BC=BC=CA=F5","location=3D'63.htm'");
   mm_menu_0312235416_0.fontWeight=3D"bold";
   mm_menu_0312235416_0.hideOnMouseOut=3Dtrue;
   mm_menu_0312235416_0.bgColor=3D'#555555';
   mm_menu_0312235416_0.menuBorder=3D1;
   mm_menu_0312235416_0.menuLiteBgColor=3D'#000000';
   mm_menu_0312235416_0.menuBorderBgColor=3D'#FFFFFF';
  window.mm_menu_0312235624_0 =3D new =
Menu("root",200,21,"",15,"#003366","#000000","#CCCCCC","#66CCFF","left","=
middle",3,0,1000,-5,7,true,true,true,0,false,true);
  =
mm_menu_0312235624_0.addMenuItem("7.1&nbsp;=CF=D4=CA=BE=BF=A8","location=3D=
'71.htm'");
  =
mm_menu_0312235624_0.addMenuItem("7.2&nbsp;=D2=F4=C6=B5=BF=A8","location=3D=
'72.htm'");
  =
mm_menu_0312235624_0.addMenuItem("7.3&nbsp;=CA=D3=C6=B5=B1=E0=BC=AD=BF=A8=
","location=3D'73.htm'");
  =
mm_menu_0312235624_0.addMenuItem("7.4&nbsp;=B3=A3=D3=C3=CD=E2=B2=BF=CA=E4=
=C8=EB=CA=E4=B3=F6=C9=E8=B1=B8","location=3D'74.htm'");
   mm_menu_0312235624_0.fontWeight=3D"bold";
   mm_menu_0312235624_0.hideOnMouseOut=3Dtrue;
   mm_menu_0312235624_0.bgColor=3D'#555555';
   mm_menu_0312235624_0.menuBorder=3D1;
   mm_menu_0312235624_0.menuLiteBgColor=3D'#000000';
   mm_menu_0312235624_0.menuBorderBgColor=3D'#FFFFFF';
  window.mm_menu_0312235942_0 =3D new =
Menu("root",250,21,"",15,"#003366","#000000","#CCCCCC","#66CCFF","left","=
middle",3,0,1000,-5,7,true,true,true,0,false,true);
  =
mm_menu_0312235942_0.addMenuItem("8.1&nbsp;=B6=E0=C3=BD=CC=E5=D0=C5=CF=A2=
=D3=EB=BC=C6=CB=E3=BB=FA=CD=F8=C2=E7=0B","location=3D'81.htm'");
  =
mm_menu_0312235942_0.addMenuItem("8.2&nbsp;=B6=E0=C3=BD=CC=E5=D0=C5=CF=A2=
=D4=DA=CD=F8=C2=E7=C9=CF=B5=C4=D3=A6=D3=C3","location=3D'82.htm'");
  =
mm_menu_0312235942_0.addMenuItem("8.3&nbsp;=B6=E0=C3=BD=CC=E5=CD=F8=C2=E7=
=BD=CC=D1=A7=BB=B7=BE=B3","location=3D'83.htm'");
   mm_menu_0312235942_0.fontWeight=3D"bold";
   mm_menu_0312235942_0.hideOnMouseOut=3Dtrue;
   mm_menu_0312235942_0.bgColor=3D'#555555';
   mm_menu_0312235942_0.menuBorder=3D1;
   mm_menu_0312235942_0.menuLiteBgColor=3D'#000000';
   mm_menu_0312235942_0.menuBorderBgColor=3D'#FFFFFF';

mm_menu_0312235942_0.writeMenus();
} // mmLoadMenus()
//-->
</SCRIPT>

<SCRIPT language=3DJavaScript=20
src=3D"http://www2.gdin.edu.cn/jkx/webstudy/duomeitijishu/text/mm_menu.js=
"></SCRIPT>

<SCRIPT language=3DJavaScript type=3Dtext/JavaScript>
<!--
function MM_reloadPage(init) {  //reloads the window if Nav4 resized
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((appName=3D=3D"Netscape")&&(parseInt(appVersion)=3D=3D4)) {
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onresize=3DMM_reloadPage; }}
  else if (innerWidth!=3Ddocument.MM_pgW || =
innerHeight!=3Ddocument.MM_pgH) location.reload();
}
MM_reloadPage(true);
//-->
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