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<html> <head> <title>RFID-Bulletin Board: Re: terminus "transponder", Koos Fockens at 1/16/2001 13:09</title> <!-- Anfang Header --><!-- Ende Header --> </head> <BODY BGCOLOR="#fffcf4"><!-- Anfang BeitragsseitenKopf --><!-- Ende BeitragsseitenKopf --><!-- AnfangBanner --><!-- EndeBanner --><blockquote> <center> <h1>Re: terminus "transponder"</h1> </center><!-- Anfang BeitragsNavigationsLeisteOben --><!-- AnfangLinie --><center><p><HR></p></center><!-- EndeLinie --><center><P><B>[ <a href="../index.htm">RFID-Bulletin Board</a> ]</B></P></center><!-- AnfangLinie --><center><p><HR></p></center><!-- EndeLinie --><!-- Ende BeitragsNavigationsLeisteOben --><p>Written by <a href="mailto:kf@nedap.nl">Koos Fockens</a> at 16 Jan 2001 13:09:52:<p>As an answer to: <a href="275.htm">terminus </a> written by Stefan at 16 Jan 2001 12:46:54:<p>>Hi,>I am looking for information concerning the meaning and origin of the >word "transponder".>What is exactly meant by transmit and what by response?>Is there any connection with the read / write function of a transponder?>I am looking forward to receiving your responses!...?>Stefan<p>The term 'transponder' is coming from the radar and radio navigation technology. <br>Applications there are for example:<br>1. secondary radar, wherein a receiver in the airplane receive an interrogating pulse<br>from a ground based radar, and retransmits a (coded) pulse, which is received at <br>ground.<br>The unit in the airplane is called the transponder.<br>2. TACAN (TACtical Air Navigation, MIL) and DME (Distance Measurement Equipment, civil) runs in the <br>opposite way: a transmitter in the airplane transmit a ( coded) pulse, which is <br>received at the ground beacon station. This retransmit this pulse back to the <br>airplane. The timedelay is measured in the airplane unit and gives the distance <br>to the ground beacon.<br>Both systems work in the frequency band 960 - 1215 MHz. <br><br><!-- AnfangLinie --><center><p><HR></p></center><!-- EndeLinie --><form method=POST action="http://f16.parsimony.net/forum26490/wwwforum.cgi?formular"><input type=hidden name="followup" value="275,276"><input type=hidden name="origname" value="Koos Fockens"><input type=hidden name="origemail" value="kf@nedap.nl"><input type=hidden name="origsubject" value="Re: terminus "transponder""><input type=hidden name="origdate" value="16 Jan 2001 13:09:52"><input type=hidden name="subject" value="Re: terminus "transponder""><input type=hidden name="body" value=">>Hi,>I am looking for information concerning the meaning and origin of the >word "transponder".>What is exactly meant by transmit and what by response?>Is there any connection with the read / write function of a transponder?>I am looking forward to receiving your responses!...?>Stefan>The term 'transponder' is coming from the radar and radio navigation technology. >Applications there are for example:>1. secondary radar, wherein a receiver in the airplane receive an interrogating pulse>from a ground based radar, and retransmits a (coded) pulse, which is received at >ground.>The unit in the airplane is called the transponder.>2. TACAN (TACtical Air Navigation, MIL) and DME (Distance Measurement Equipment, civil) runs in the >opposite way: a transmitter in the airplane transmit a ( coded) pulse, which is >received at the ground beacon station. This retransmit this pulse back to the >airplane. The timedelay is measured in the airplane unit and gives the distance >to the ground beacon.>Both systems work in the frequency band 960 - 1215 MHz. "><input type="submit" name="abschicken" value="Write an answer"> <br><!-- AnfangLinie --><center><p><HR></p></center><!-- EndeLinie --><p><a name="followups"><B>List of answers:</B></a><br><ul><!--insert: 276--><!--top: 281--><li><a href="281.htm">Re: terminus "transponder"</a> <b>Koos Fockens</b> <i>1/17/2001 08:20</i>(<!--responses: 281-->0)<ul><!--insert: 281--></ul><!--end: 281--></ul><!--end: 276--><!-- Anfang BeitragsNavigationsLeisteUnten --><!-- AnfangLinie --><center><p><HR></p></center><!-- EndeLinie --><center><P><B>[ <a href="../index.htm">RFID-Bulletin Board</a> ]</B></P></center><!-- AnfangLinie --><center><p><HR></p></center><!-- EndeLinie --><!-- Ende BeitragsNavigationsLeisteUnten --></blockquote><!-- Anfang BeitragsseitenFuss --><!-- Ende BeitragsseitenFuss --></body></html>⌨️ 快捷键说明
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