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Commons</a></li></ul><div class="fullImageLink" id="file"><a href="https://upload.wikimedia.org/wikipedia/commons/4/4c/Nyquist-pt1.png"><img alt="File:Nyquist-pt1.png" src="https://upload.wikimedia.org/wikipedia/commons/4/4c/Nyquist-pt1.png?20060421132546" decoding="async" width="512" height="384" data-file-width="512" data-file-height="384" /></a><div class="mw-filepage-resolutioninfo">No higher resolution available.</div></div> <div class="mw-content-ltr fullMedia" lang="en" dir="ltr"><p><bdi dir="ltr"><a href="https://upload.wikimedia.org/wikipedia/commons/4/4c/Nyquist-pt1.png" class="internal" title="Nyquist-pt1.png">Nyquist-pt1.png</a></bdi> <span class="fileInfo">(512 × 384 pixels, file size: 5 KB, MIME type: <span class="mime-type">image/png</span>)</span> </p></div><div class='wbmi-tabs-container oo-ui-layout oo-ui-panelLayout'><div id='ooui-php-1' class='wbmi-tabs oo-ui-layout oo-ui-menuLayout oo-ui-menuLayout-static oo-ui-menuLayout-top oo-ui-menuLayout-showMenu 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oo-ui-tabPanelLayout-active' data-ooui='{"_":"OO.ui.TabPanelLayout","name":"wikiTextPlusCaptions","label":"File information","scrollable":true,"expanded":false,"classes":["wbmi-tab"]}'><h2 class="wbmi-captions-header">Captions</h2><div class='wbmi-entityview-captionsPanel oo-ui-layout oo-ui-panelLayout oo-ui-panelLayout-framed'><h3 class='wbmi-entityview-captions-header'>Captions</h3><div class='wbmi-entityview-caption oo-ui-layout oo-ui-horizontalLayout'><label class='wbmi-language-label oo-ui-widget oo-ui-widget-enabled oo-ui-labelElement-label oo-ui-labelElement oo-ui-labelWidget'>English</label><div lang='en' dir='ltr' class='wbmi-caption-value wbmi-entityview-emptyCaption'>Add a one-line explanation of what this file represents</div></div></div><div id="mw-imagepage-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><div class="mw-heading mw-heading2"><h2 id="Summary">Summary</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=File:Nyquist-pt1.png&action=edit&section=1" title="Edit section: Summary"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="hproduct commons-file-information-table"> <table class="fileinfotpl-type-information vevent" dir="ltr"> <tbody><tr> <td id="fileinfotpl_desc" class="fileinfo-paramfield" lang="en">Description<span class="summary fn" style="display:none">Nyquist-pt1.png</span></td> <td class="description"> Nyquist Diagram (PT2, T = 1, K = 2)</td> </tr> <tr> <td id="fileinfotpl_date" class="fileinfo-paramfield" lang="en">Date</td> <td lang="en"> <time class="dtstart" datetime="2006-04-21" lang="en" dir="ltr" style="white-space:nowrap">21 April 2006</time></td> </tr> <tr> <td id="fileinfotpl_src" class="fileinfo-paramfield" lang="en">Source</td> <td> <span class="int-own-work" lang="en">Own work</span></td> </tr> <tr> <td id="fileinfotpl_aut" class="fileinfo-paramfield" lang="en">Author</td> <td> <a href="/wiki/User:Netnet" title="User:Netnet">User:Netnet</a></td> </tr> <tr> <td id="fileinfotpl_perm" class="fileinfo-paramfield" lang="en">Permission<br /><small>(<a href="/wiki/Commons:Reusing_content_outside_Wikimedia" title="Commons:Reusing content outside Wikimedia">Reusing this file</a>)</small></td> <td> <table class="licensetpl" style="display:none"> <tbody><tr> <td><span class="licensetpl_short">Public domain</span><span class="licensetpl_long">Public domain</span><span class="licensetpl_link_req">false</span><span class="licensetpl_attr_req">false</span> </td></tr></tbody></table> <table style="width: 100%; clear: both; margin: 0.5em auto; background-color: var(--background-color-neutral-subtle, #f7f8ff); color: var(--color-base, #202122); border: var(--border-subtle, 2px solid #8888aa); border-spacing: 8px; padding: 0px;" dir="ltr" class="layouttemplate" lang="en"> <tbody><tr> <td><span typeof="mw:File"><span title="Public domain"><img alt="Public domain" src="https://upload.wikimedia.org/wikipedia/commons/thumb/6/62/PD-icon.svg/64px-PD-icon.svg.png" decoding="async" width="64" height="64" class="mw-file-element" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/6/62/PD-icon.svg/96px-PD-icon.svg.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/6/62/PD-icon.svg/128px-PD-icon.svg.png 2x" data-file-width="196" data-file-height="196" /></span></span> </td> <td>I, the copyright holder of this work, release this work into the <b><a href="https://en.wikipedia.org/wiki/en:public_domain" class="extiw" title="w:en:public domain">public domain</a></b>. This applies worldwide.<br /><small>In some countries this may not be legally possible; if so:</small><br /><i>I grant anyone the right to use this work <b>for any purpose</b>, without any conditions, unless such conditions are required by law.</i> </td></tr></tbody></table></td> </tr> </tbody></table> </div>    </div></div><h2 id="filehistory">File history</h2> <div id="mw-imagepage-section-filehistory"> <p>Click on a date/time to view the file as it appeared at that time. </p> <table class="wikitable filehistory"> <tr><th></th><th>Date/Time</th><th>Thumbnail</th><th>Dimensions</th><th>User</th><th>Comment</th></tr> <tr><td>current</td><td class="filehistory-selected" style="white-space: nowrap;"><a href="https://upload.wikimedia.org/wikipedia/commons/4/4c/Nyquist-pt1.png">13:25, 21 April 2006</a></td><td><a href="https://upload.wikimedia.org/wikipedia/commons/4/4c/Nyquist-pt1.png"><img alt="Thumbnail for version as of 13:25, 21 April 2006" src="https://upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Nyquist-pt1.png/120px-Nyquist-pt1.png?20060421132546" decoding="async" loading="lazy" width="120" height="90" data-file-width="512" data-file-height="384" /></a></td><td>512 × 384 <span style="white-space: nowrap;">(5 KB)</span></td><td><a href="/wiki/User:Netnet" class="mw-userlink" title="User:Netnet"><bdi>Netnet</bdi></a><span style="white-space: nowrap;"> <span class="mw-usertoollinks">(<a href="/wiki/User_talk:Netnet" class="mw-usertoollinks-talk" title="User talk:Netnet">talk</a> | <a href="/wiki/Special:Contributions/Netnet" class="mw-usertoollinks-contribs" title="Special:Contributions/Netnet">contribs</a>)</span></span></td><td dir="ltr">{{Information| |Description=Nyquist Diagram (PT2, T = 1, K = 2) |Source=own work |Date=21. 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href="https://www.wikidata.org/wiki/Special:EntityPage/P571">inception</a></bdi></h4></div></div></div><div class='wbmi-content-items-group'><div class='wbmi-item wbmi-item-read'><div data-guid='M723582$F4231FCE-1AE8-462E-8CBA-ED0286FB37D3' class='wbmi-item-container'><div class='wbmi-entity-header'><div class='wbmi-entity-data'><div class='wbmi-entity-title'><h4 class='wbmi-entity-label'><bdi>21 April 2006</bdi></h4></div></div></div></div></div></div></div></div></div></div></div></div></div> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://commons.wikimedia.org/w/index.php?title=File:Nyquist-pt1.png&oldid=455722958">https://commons.wikimedia.org/w/index.php?title=File:Nyquist-pt1.png&oldid=455722958</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Special:Categories" title="Special:Categories">Categories</a>: <ul><li><a href="/wiki/Category:Cybernetics" 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