{"id":3831,"date":"2019-02-12T16:10:00","date_gmt":"2019-02-12T16:10:00","guid":{"rendered":"https:\/\/cyflexdoc.wpengine.com\/usage-help-manual\/11-control-systems\/prbs\/"},"modified":"2025-09-02T12:01:14","modified_gmt":"2025-09-02T17:01:14","slug":"prbs","status":"publish","type":"page","link":"https:\/\/cyflex.com\/index.php\/usage-help-manual\/7-control-systems\/prbs\/","title":{"rendered":"prbs"},"content":{"rendered":"<div>\n<h3>Purpose:<\/h3>\n<\/div>\n<dl>\n<dd>\n<p>Generate pseudo random binary sequence for use as an input in system identification.<\/p>\n<\/dd>\n<\/dl>\n<h3>Enter:<\/h3>\n<dl>\n<dd>\n<p><strong>prbs<\/strong> &lt;task_priority&gt; &lt;process_interval&gt; &lt;prbs_order&gt; &lt;prbs_out&gt; &lt;prbs_active&gt;<\/p>\n<\/dd>\n<\/dl>\n<h3>Where:<\/h3>\n<dl>\n<dd>\n<table style=\"width: 100%; height: 281px;\" cellspacing=\"0\" cellpadding=\"0\">\n<colgroup>\n<col \/>\n<col \/> <\/colgroup>\n<tbody>\n<tr style=\"height: 56px;\">\n<td style=\"width: 10.15%; height: 56px;\">\n<p>task_priority<\/p>\n<\/td>\n<td style=\"width: 89.67%; height: 56px;\">\n<p>Specify the task priority as an integer between 1 and 19.<\/p>\n<\/td>\n<\/tr>\n<tr style=\"height: 56px;\">\n<td style=\"width: 10.15%; height: 56px;\">\n<p>process_interval<\/p>\n<\/td>\n<td style=\"width: 89.67%; height: 56px;\">\n<p>Specify the process interval in milliseconds. This is the rate to process the computations.<\/p>\n<\/td>\n<\/tr>\n<tr style=\"height: 57px;\">\n<td style=\"width: 10.15%; height: 57px;\">\n<p>prbs_order<\/p>\n<\/td>\n<td style=\"width: 89.67%; height: 57px;\">\n<p>Specify the PRBS order as an integer between 2 and 16.<\/p>\n<\/td>\n<\/tr>\n<tr style=\"height: 56px;\">\n<td style=\"width: 10.15%; height: 56px;\">\n<p>prbs_out<\/p>\n<\/td>\n<td style=\"width: 89.67%; height: 56px;\">\n<p>Specify the output variable for the PRBS result.<\/p>\n<\/td>\n<\/tr>\n<tr style=\"height: 56px;\">\n<td style=\"width: 10.15%; height: 56px;\">\n<p>prbs_active<\/p>\n<\/td>\n<td style=\"width: 89.67%; height: 56px;\">\n<p>Specify the logical variable name for the active ON\/OFF flag.<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/dd>\n<\/dl>\n<h3>Example:<\/h3>\n<dl>\n<dd>\n<p><strong>prbs<\/strong> 19 40 8 prbs_out prbs_active &amp;<\/p>\n<\/dd>\n<\/dl>\n<h3>Notes:<\/h3>\n<dl>\n<dd>\n<p>Sampling rate should correspond to 4-5 times the significant frequency.<\/p>\n<p>PRBS_period = 2 * (2<sup>m<\/sup> &#8211; 1) *Ts, where m is the selected order and Ts is the sampling period; 1\/PRBS_period should be a frequency 5-10 times lower than the frequency of interest.<\/p>\n<\/dd>\n<\/dl>\n<h3>See Also:<\/h3>\n<dl>\n<dd>\n<p>&nbsp;<\/p>\n<\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>Purpose: Generate pseudo random binary sequence for use as an input in system identification. Enter: prbs &lt;task_priority&gt; &lt;process_interval&gt; &lt;prbs_order&gt; &lt;prbs_out&gt; &lt;prbs_active&gt; Where: task_priority Specify the task priority as an integer between 1 and 19. process_interval Specify the process interval in milliseconds. This is the rate to process the computations. prbs_order Specify the PRBS order as [&hellip;]<\/p>\n","protected":false},"author":47,"featured_media":0,"parent":1958,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3831","page","type-page","status-publish","hentry"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/cyflex.com\/index.php\/wp-json\/wp\/v2\/pages\/3831","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=3831"}],"version-history":[{"count":0,"href":"https:\/\/cyflex.com\/index.php\/wp-json\/wp\/v2\/pages\/3831\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/cyflex.com\/index.php\/wp-json\/wp\/v2\/pages\/1958"}],"wp:attachment":[{"href":"https:\/\/cyflex.com\/index.php\/wp-json\/wp\/v2\/media?parent=3831"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}