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Subject: FreqChina.com
Date: Fri, 16 Sep 2005 16:08:26 +0800
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<TD vAlign=3Dcenter align=3Dmiddle width=3D750 =
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height=3D20><A =
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class=3Dfzzyw>=CA=D7=D2=B3</SPAN></A><SPAN =
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href=3D"http://www.freqchina.com/aboutus.htm"><SPAN=20
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class=3Dfzzyw>ENGLISH</A></SPAN>=20
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<H1 style=3D"LINE-HEIGHT: 150%" align=3Dleft>=A1=A1</H1>
<DD>
<H1 style=3D"LINE-HEIGHT: 150%" =
align=3Dcenter><B>=CE=DE=CF=DF=CD=A8=D0=C5=BE=E0=C0=EB=B5=C4=BC=C6=CB=E3<=
/B></H1></DD></DL>
<DIV align=3Dleft>
<DT=20
style=3D"TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; =
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12.0pt">=D5=E2=C0=EF=B8=F8=B3=F6=D7=D4=D3=C9=BF=D5=BC=E4=B4=AB=B2=A5=CA=B1=
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lang=3DEN-US><O:P> </O:P></SPAN></DT></DIV>
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<DT=20
style=3D"TEXT-INDENT: 36pt; LINE-HEIGHT: 150%; =
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12.0pt">=CD=A8=D0=C5=BE=E0=C0=EB=D3=EB=B7=A2=C9=E4=B9=A6=C2=CA=A1=A2=BD=D3=
=CA=D5=C1=E9=C3=F4=B6=C8=BA=CD=B9=A4=D7=F7=C6=B5=C2=CA=D3=D0=B9=D8<SPAN=20
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<DT=20
style=3D"TEXT-INDENT: 48pt; LINE-HEIGHT: 150%; =
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=
lang=3DEN-US>L<SUB>fs</SUB>=A3=DD(dB)=3D32.44+20lgd(km)+20lgf(MHz)<O:P>=20
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<DIV align=3Dleft>
<DT=20
style=3D"TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; =
mso-char-indent-count: 2.0; mso-char-indent-size: =
12.0pt">=CA=BD=D6=D0<SPAN=20
=
lang=3DEN-US>L<SUB>fs</SUB>=CE=AA=B4=AB=CA=E4=CB=F0=BA=C4=A3=ACd=CE=AA=B4=
=AB=CA=E4=BE=E0=C0=EB=A3=AC=C6=B5=C2=CA=B5=C4=B5=A5=CE=BB=D2=D4MHz=BC=C6=CB=
=E3=A1=A3<O:P>=20
</O:P></SPAN></DT></DIV>
<DIV align=3Dleft>
<DT style=3D"LINE-HEIGHT: =
150%">=D3=C9=C9=CF=CA=BD=BF=C9=BC=FB=A3=AC=D7=D4=D3=C9=BF=D5=BC=E4=D6=D0=B5=
=E7=B2=A8=B4=AB=B2=A5=CB=F0=BA=C4=A3=A8=D2=E0=B3=C6=CB=A5=BC=F5=A3=A9=D6=BB=
=D3=EB=B9=A4=D7=F7=C6=B5=C2=CA<SPAN=20
=
lang=3DEN-US>f=BA=CD=B4=AB=B2=A5=BE=E0=C0=EBd=D3=D0=B9=D8=A3=AC=B5=B1f=BB=
=F2d=D4=F6=B4=F3=D2=BB=B1=B6=CA=B1=A3=AC=A3=DBL<SUB>fs</SUB>=A3=DD=BD=AB=B7=
=D6=B1=F0=D4=F6=BC=D36dB.<O:P>=20
</O:P><O:P></O:P></SPAN></DT></DIV>
<DIV align=3Dleft>
<DT=20
style=3D"TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; =
mso-char-indent-count: 2.0; mso-char-indent-size: =
12.0pt">=CF=C2=C3=E6=B5=C4=B9=AB=CA=BD=CB=B5=C3=F7=D4=DA=D7=D4=D3=C9=BF=D5=
=BC=E4=CF=C2=B5=E7=B2=A8=B4=AB=B2=A5=B5=C4=CB=F0=BA=C4<SPAN=20
lang=3DEN-US><O:P> </O:P></SPAN></DT></DIV>
<DIV align=3Dleft>
<DT=20
style=3D"TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; =
mso-char-indent-count: 2.0; mso-char-indent-size: 12.0pt"><SPAN=20
lang=3DEN-US>Los =3D 32.44 + 20lg d(Km) + 20lg f(MHz)<O:P>=20
</O:P></SPAN></DT></DIV>
<DIV align=3Dleft>
<DT=20
style=3D"TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; =
mso-char-indent-count: 2.0; mso-char-indent-size: 12.0pt"><SPAN=20
lang=3DEN-US>Los =
=CA=C7=B4=AB=B2=A5=CB=F0=BA=C4=A3=AC=B5=A5=CE=BB=CE=AAdB<O:P> =
</O:P></SPAN></DT></DIV>
<DIV align=3Dleft>
<DT=20
style=3D"TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; =
mso-char-indent-count: 2.0; mso-char-indent-size: 12.0pt"><SPAN=20
lang=3DEN-US>d=CA=C7=BE=E0=C0=EB=A3=AC=B5=A5=CE=BB=CA=C7Km<O:P> =
</O:P></SPAN></DT></DIV>
<DIV align=3Dleft>
<DT=20
style=3D"TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; =
mso-char-indent-count: 2.0; mso-char-indent-size: 12.0pt"><SPAN=20
=
lang=3DEN-US>f=CA=C7=B9=A4=D7=F7=C6=B5=C2=CA=A3=AC=B5=A5=CE=BB=CA=C7MHz<O=
:P> </O:P></SPAN></DT></DIV>
<DIV align=3Dleft>
<DT=20
style=3D"TEXT-INDENT: 24pt; LINE-HEIGHT: 150%; =
mso-char-indent-count: 2.0; mso-char-indent-size: =
12.0pt">=CF=C2=C3=E6=BE=D9=C0=FD=CB=B5=C3=F7=D2=BB=B8=F6=B9=A4=D7=F7=C6=B5=
=C2=CA=CE=AA<SPAN=20
=
lang=3DEN-US>433.92MHz=A3=AC=B7=A2=C9=E4=B9=A6=C2=CA=CE=AA=A3=AB10dBm(10m=
W)=A3=AC=BD=D3=CA=D5=C1=E9=C3=F4=B6=C8=CE=AA-105dBm=B5=C4=CF=B5=CD=B3=D4=DA=
=D7=D4=D3=C9=BF=D5=BC=E4=B5=C4=B4=AB=B2=A5=BE=E0=C0=EB=A3=BA<O:P>=20
</SPAN></DT></DIV>
<BLOCKQUOTE>
<DL>
<DIV align=3Dleft>
<DT=20
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