<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><HTML><HEAD><META http-equiv=Content-Type content="text/html; charset=ISO-8859-1"><META content="MSHTML 6.00.2600.0" name=GENERATOR><STYLE></STYLE></HEAD><BODY bgColor=#ffffff><DIV><FONT face=Arial size=2>Thanks for your program. Your program interpolates the table and given the X axis, generates the Y values. What I need is for the same table given the Y axis, obtain the X value(s). Since the table (discrete function) may not be one-to-one, we may obtain more than one values corresponding to given Y value.</FONT></DIV><DIV><FONT face=Arial size=2></FONT> </DIV><DIV><FONT face=Arial size=2>Cagri</FONT></DIV><BLOCKQUOTE dir=ltr style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px"> <DIV style="FONT: 10pt arial">----- Original Message ----- </DIV> <DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B> <A title=lenny.Hill@adc.com href="mailto:lenny.Hill@adc.com">Hill, Lenny</A> </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A title=cacar@aselsan.com.tr href="mailto:cacar@aselsan.com.tr">'Cagri Acar'</A> </DIV> <DIV style="FONT: 10pt arial"><B>Cc:</B> <A title=vrf@it.lists.it.agilent.com href="mailto:vrf@it.lists.it.agilent.com">Vee group (E-mail)</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> Wednesday, August 20, 2003 4:31 PM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> RE: [vrf] Antenna Beamwidth Calculation</DIV> <DIV><BR></DIV> <DIV><SPAN class=412342813-20082003><FONT face="MS Sans Serif" color=#800080 size=2>Try the attached example....it uses Vee Pro 6.1 interpol function in MATLAB.</FONT></SPAN></DIV> <DIV><SPAN class=412342813-20082003><FONT face="MS Sans Serif" color=#800080 size=2></FONT></SPAN> </DIV> <DIV><SPAN class=412342813-20082003><FONT face="MS Sans Serif" color=#800080 size=2>Lenny Hill</FONT></SPAN></DIV> <DIV><SPAN class=412342813-20082003><FONT face="MS Sans Serif" color=#800080 size=2></FONT></SPAN> </DIV> <DIV><SPAN class=412342813-20082003></SPAN> </DIV> <BLOCKQUOTE> <DIV class=OutlookMessageHeader dir=ltr align=left><FONT face=Tahoma size=2>-----Original Message-----<BR><B>From:</B> Cagri Acar [mailto:cacar@aselsan.com.tr]<BR><B>Sent:</B> Wednesday, August 20, 2003 12:15 AM<BR><B>To:</B> VEE vrf<BR><B>Subject:</B> [vrf] Antenna Beamwidth Calculation<BR><BR></FONT></DIV> <DIV><FONT face=Arial size=2>Hi there,</FONT></DIV> <DIV><FONT face=Arial size=2>Does anyone has a function that calculates the beamwidth of an antenna? Input is an array of degrees vs magnitudes and the beamwidth level (-3dB, -10 dB, etc). I have coded a function but the output is discrete (with the if/then/else statements). For example if my data's resolution is 2 degrees that the output becomes the multiples of 2 degrees. What I need is function that interpolates the input data and generates an analog output.</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Regards</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Cagri ACAR<BR>Test Engineer<BR>Microwave Systems Technologies Test Engineering Department<BR>ASELSAN AS<BR>PK101 Yenimahalle 06370 ANKARA TURKEY<BR>Phone: +903125922230</FONT></DIV>---<BR>You are currently subscribed to vrf as: lenny.Hill@adc.com<BR>To subscribe send a blank email to "join-vrf@it.lists.it.agilent.com".<BR>To unsubscribe send a blank email to "leave-vrf@it.lists.it.agilent.com".<BR>To send messages to this mailing list, email "vrf@it.lists.it.agilent.com". <BR>If you need help with the mailing list send a message to "owner-vrf@it.lists.it.agilent.com". </BLOCKQUOTE></BLOCKQUOTE>---<BR>You are currently subscribed to vrf as: rsb@soco.agilent.com<BR>To subscribe send a blank email to "join-vrf@it.lists.it.agilent.com".<BR>To unsubscribe send a blank email to "leave-vrf@it.lists.it.agilent.com".<BR>To send messages to this mailing list, email "vrf@it.lists.it.agilent.com". <BR>If you need help with the mailing list send a message to "owner-vrf@it.lists.it.agilent.com".</BODY></HTML>
measure the harmonics of a CDMA2000 signal.
The test setup is as follows, we have a cell band and PCS band amplifier,
we test the amplifiers one at a time. We connect the output of the
amplifier to some attenuators and then connect the attenuators to the
spectrum analyzer, the input to the amplifier is provided by a vector
signal generator, generating a CDMA2000 waveform.
Since semiconductor amplifiers are nonlinear it produces harmonic signals,
the problem is that measuring the harmonics of non-CW signal on a pure
Spectrum analyzer is not trivial, as I have found out, the spectrum
analyzer has some features that maybe useful, I have been playing around
with the channel power over bandwidth feature, but I am yet to be
convinced this is the proper way to measure harmonics.
My question is how does one measure the harmonics of a CDMA2000 waveform
on a spectrum analyzer that has channel power over bandwidth feature??
Thank You
JOhn
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