{"id":3801,"date":"2019-02-12T16:09:56","date_gmt":"2019-02-12T16:09:56","guid":{"rendered":"https:\/\/cyflexdoc.wpengine.com\/usage-help-manual\/19-variables-and-computations\/noise_check\/"},"modified":"2025-10-20T12:25:10","modified_gmt":"2025-10-20T17:25:10","slug":"noise_check","status":"publish","type":"page","link":"https:\/\/cyflex.com\/index.php\/usage-help-manual\/14-i-o-systems\/noise_check\/","title":{"rendered":"noise_check"},"content":{"rendered":"<div>\n<h3>Purpose:<\/h3>\n<\/div>\n<dl>\n<dd>\n<p>Perform statistical analysis on specified analog input channels, calculating and reporting mean, standard deviation, minimum, maximum, and variance based on collected samples.<\/p>\n<\/dd>\n<\/dl>\n<h3>Enter:<\/h3>\n<dl>\n<dd>\n<p><strong>noise_check<\/strong> &lt;number_samples&gt; [channel1 [channel2 &#8230;]]<\/p>\n<\/dd>\n<\/dl>\n<h3>Where:<\/h3>\n<dl>\n<dd>\n<table style=\"width: 93.4565%;\" cellspacing=\"0\" cellpadding=\"0\">\n<colgroup>\n<col \/>\n<col \/> <\/colgroup>\n<tbody>\n<tr>\n<td style=\"width: 31.0323%;\">\n<p>number_samples<\/p>\n<\/td>\n<td style=\"width: 170.709%;\">\n<p>Specify the number of samples to collect per channel.<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 31.0323%;\">\n<p>channel1 [channel2 &#8230;<\/p>\n<\/td>\n<td style=\"width: 170.709%;\">\n<p>Optional. Specify one or more channel numbers to sample. If omitted, no data will be processed.<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/dd>\n<\/dl>\n<h3>Example:<\/h3>\n<dl>\n<dd>\n<p><strong>noise_check<\/strong> 100 0 1 2 3 4<br \/>\nThe above command takes 100 samples of channels 0 through 4 and reports the statistics.<\/p>\n<\/dd>\n<\/dl>\n<h3>Notes:<\/h3>\n<dl>\n<dd>\n<p>Reports mean, standard deviation, minimum, maximum, and variance of analog input channels. This process runs continuously until interrupted, sampling data at the system&#8217;s configured rate for meaningful results.<\/p>\n<\/dd>\n<\/dl>\n<h3>See Also:<\/h3>\n<dl>\n<dd>\n<p><a href=\"\/index.php\/usage-help-manual\/14-i-o-systems\/ai_specs\/\">ai_specs<\/a>, <a href=\"\/index.php\/usage-help-manual\/14-i-o-systems\/raw_noise\/\">raw_noise<\/a><\/p>\n<\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>Purpose: Perform statistical analysis on specified analog input channels, calculating and reporting mean, standard deviation, minimum, maximum, and variance based on collected samples. Enter: noise_check &lt;number_samples&gt; [channel1 [channel2 &#8230;]] Where: number_samples Specify the number of samples to collect per channel. channel1 [channel2 &#8230; Optional. Specify one or more channel numbers to sample. If omitted, no [&hellip;]<\/p>\n","protected":false},"author":47,"featured_media":0,"parent":1964,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3801","page","type-page","status-publish","hentry"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/cyflex.com\/index.php\/wp-json\/wp\/v2\/pages\/3801","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cyflex.com\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/cyflex.com\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/cyflex.com\/index.php\/wp-json\/wp\/v2\/users\/47"}],"replies":[{"embeddable":true,"href":"https:\/\/cyflex.com\/index.php\/wp-json\/wp\/v2\/comments?post=3801"}],"version-history":[{"count":0,"href":"https:\/\/cyflex.com\/index.php\/wp-json\/wp\/v2\/pages\/3801\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/cyflex.com\/index.php\/wp-json\/wp\/v2\/pages\/1964"}],"wp:attachment":[{"href":"https:\/\/cyflex.com\/index.php\/wp-json\/wp\/v2\/media?parent=3801"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}