https://leo.leung.xyz/wiki/index.php?action=history&feed=atom&title=Radio 2026-11-09T23:21:34Z Revision history for this page on the wiki MediaWiki 1.43.11 https://leo.leung.xyz/wiki/index.php?title=Radio&diff=6387&oldid=prev 2021-12-30T01:19:32Z

<p>Added categories and navbox</p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 01:19, 30 December 2021</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l40">Line 40:</td> <td colspan="2" class="diff-lineno">Line 40:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>| Almost never used</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>| Almost never used</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|}</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|}</div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">{{Navbox Tinkering}}</ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[Category:Tinkering]]</ins></div></td></tr> <!-- diff cache key wiki:diff:1.41:old-4634:rev-6387:php=table --> </table>

Leo https://leo.leung.xyz/wiki/index.php?title=Radio&diff=4634&oldid=prev 2020-05-07T04:15:00Z

<p>Created page with &quot; == Demodulation == In SDR#, there are some types of demodulation modes which are used for different signals: {| class=&quot;wikitable&quot; ! Type ! Description ! Examples |- | NFM |...&quot;</p> <p><b>New page</b></p><div><br /> == Demodulation ==<br /> In SDR#, there are some types of demodulation modes which are used for different signals:<br /> <br /> {| class=&quot;wikitable&quot;<br /> ! Type<br /> ! Description<br /> ! Examples<br /> |-<br /> | NFM<br /> | Narrowband Frequency Modulation<br /> | Commonly used mode used by walkie talkie radios, weather radio and most VHF/UHF digital signals.<br /> |-<br /> | WFM<br /> | Wideband Frequency Modulation<br /> | Broadcast FM stations (e.g. radio music stations)<br /> |-<br /> | AM<br /> | Amplitude Modulation<br /> | Used by broadcast AM stations that are receivable by normal shortwave radios<br /> <br /> Used by air band voice frequencies used by aircraft and air traffic control.<br /> <br /> Some digital signals also use AM.<br /> |-<br /> | LSB/USB <br /> | Lower Side Band/Upper Sideband<br /> | Used in the HF band by ham radio users to transmit voice and data efficiently with small bandwidths.<br /> |-<br /> | CW <br /> | Continuous Wave<br /> | Used for listening to morse code.<br /> |-<br /> | DSB<br /> | Double Side Band<br /> | Not commonly used in normal operation.<br /> |-<br /> | RAW<br /> | Raw IQ signal<br /> | Almost never used<br /> |}</div>

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