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><channel><title>Prosig Noise &#38; Vibration Blog &#187; waterfall : Noise &amp; Vibration Blog : What You Need To Know About Noise &amp; Vibration Measurement</title> <atom:link href="http://blog.prosig.com/tag/waterfall/feed/" rel="self" type="application/rss+xml" /><link>http://blog.prosig.com</link> <description>Telling you what you need to know about noise &#38; vibration</description> <lastBuildDate>Tue, 07 Feb 2012 10:49:33 +0000</lastBuildDate> <language>en</language> <sy:updatePeriod>hourly</sy:updatePeriod> <sy:updateFrequency>1</sy:updateFrequency> <generator>http://wordpress.org/?v=3.3.1</generator> <item><title>What is Synchronous (Angular) Sampling?</title><link>http://blog.prosig.com/2011/11/09/what-is-synchronous-angular-sampling/</link> <comments>http://blog.prosig.com/2011/11/09/what-is-synchronous-angular-sampling/#comments</comments> <pubDate>Wed, 09 Nov 2011 10:22:14 +0000</pubDate> <dc:creator>Adrian Lincoln</dc:creator> <category><![CDATA[featured]]></category> <category><![CDATA[signal processing]]></category> <category><![CDATA[acoustic]]></category> <category><![CDATA[acoustic data]]></category> <category><![CDATA[acoustics]]></category> <category><![CDATA[angle domain]]></category> <category><![CDATA[angular motion]]></category> <category><![CDATA[FFT]]></category> <category><![CDATA[Fourier]]></category> <category><![CDATA[order domain]]></category> <category><![CDATA[orders]]></category> <category><![CDATA[revolution speed]]></category> <category><![CDATA[rotation angles]]></category> <category><![CDATA[shaft encoder]]></category> <category><![CDATA[synchronous]]></category> <category><![CDATA[synchronous data]]></category> <category><![CDATA[tachometer]]></category> <category><![CDATA[time domain]]></category> <category><![CDATA[vibration]]></category> <category><![CDATA[waterfall]]></category><guid
isPermaLink="false">http://blog.prosig.com/?p=2228</guid> <description><![CDATA[The term synchronous data is usually applied to vibration or acoustic data that is captured from an item of rotating equipment at regularly spaced angle intervals as distinct from regularly...]]></description> <wfw:commentRss>http://blog.prosig.com/2011/11/09/what-is-synchronous-angular-sampling/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>Video: Noise &amp; Vibration From Rotating Machines</title><link>http://blog.prosig.com/2011/10/04/video-how-to-analyze-noise-vibration-from-rotating-machinery/</link> <comments>http://blog.prosig.com/2011/10/04/video-how-to-analyze-noise-vibration-from-rotating-machinery/#comments</comments> <pubDate>Tue, 04 Oct 2011 08:25:33 +0000</pubDate> <dc:creator>Chris Mason</dc:creator> <category><![CDATA[signal processing]]></category> <category><![CDATA[videos]]></category> <category><![CDATA[FFT]]></category> <category><![CDATA[harmonics]]></category> <category><![CDATA[noise]]></category> <category><![CDATA[noise vibration]]></category> <category><![CDATA[orders]]></category> <category><![CDATA[rotating machinery]]></category> <category><![CDATA[speed]]></category> <category><![CDATA[tacho]]></category> <category><![CDATA[vibration]]></category> <category><![CDATA[waterfall]]></category><guid
isPermaLink="false">http://blog.prosig.com/?p=2514</guid> <description><![CDATA[This is complete version of the video illustrating my recent article How To Measure Noise &#38; Vibration In Rotating Machines. This video was previously published on the blog in 3 parts....]]></description> <wfw:commentRss>http://blog.prosig.com/2011/10/04/video-how-to-analyze-noise-vibration-from-rotating-machinery/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>How To Analyze Noise &amp; Vibration In Rotating Machines</title><link>http://blog.prosig.com/2011/08/09/how-to-measure-noise-vibration-in-rotating-machines/</link> <comments>http://blog.prosig.com/2011/08/09/how-to-measure-noise-vibration-in-rotating-machines/#comments</comments> <pubDate>Tue, 09 Aug 2011 09:07:54 +0000</pubDate> <dc:creator>Chris Mason</dc:creator> <category><![CDATA[popular]]></category> <category><![CDATA[signal processing]]></category> <category><![CDATA[acceleration]]></category> <category><![CDATA[bearings]]></category> <category><![CDATA[DATS]]></category> <category><![CDATA[excitation]]></category> <category><![CDATA[fatigue]]></category> <category><![CDATA[natural frequencies]]></category> <category><![CDATA[noise]]></category> <category><![CDATA[orders]]></category> <category><![CDATA[P8000]]></category> <category><![CDATA[refinement]]></category> <category><![CDATA[rotating machinery]]></category> <category><![CDATA[tacho]]></category> <category><![CDATA[tachometer]]></category> <category><![CDATA[torsional vibration]]></category> <category><![CDATA[transmission systems]]></category> <category><![CDATA[variable speed]]></category> <category><![CDATA[vibration]]></category> <category><![CDATA[vibration analysis]]></category> <category><![CDATA[waterfall]]></category><guid
isPermaLink="false">http://blog.prosig.com/?p=2170</guid> <description><![CDATA[In this article we will look at the basic steps behind a simple rotating machinery study. We won&#8217;t look in great detail at some of the techniques involved &#8211; we deal with...]]></description> <wfw:commentRss>http://blog.prosig.com/2011/08/09/how-to-measure-noise-vibration-in-rotating-machines/feed/</wfw:commentRss> <slash:comments>3</slash:comments> <enclosure
url="http://blog.prosig.com/wp-content/uploads/2011/07/noiseSignal.mp3" length="91844" type="audio/mpeg" /> </item> <item><title>Measurement And Analysis Of Torsional Vibration</title><link>http://blog.prosig.com/2008/10/17/measurement-and-analysis-of-torsional-vibration/</link> <comments>http://blog.prosig.com/2008/10/17/measurement-and-analysis-of-torsional-vibration/#comments</comments> <pubDate>Fri, 17 Oct 2008 07:44:13 +0000</pubDate> <dc:creator>Adrian Lincoln</dc:creator> <category><![CDATA[signal processing]]></category> <category><![CDATA[angle domain]]></category> <category><![CDATA[crankshaft]]></category> <category><![CDATA[gearbox]]></category> <category><![CDATA[nvh]]></category> <category><![CDATA[orders]]></category> <category><![CDATA[P8000]]></category> <category><![CDATA[powertrain]]></category> <category><![CDATA[pulse edge]]></category> <category><![CDATA[rotating machinery]]></category> <category><![CDATA[tacho]]></category> <category><![CDATA[tachometer]]></category> <category><![CDATA[torsional vibration]]></category> <category><![CDATA[vibration]]></category> <category><![CDATA[waterfall]]></category><guid
isPermaLink="false">http://blog.prosig.com/?p=103</guid> <description><![CDATA[Torsional vibration is of key importance in the area of vehicle development and refinement. The main contributory source is the engine where periodically occurring combustion cycles cause variation in the...]]></description> <wfw:commentRss>http://blog.prosig.com/2008/10/17/measurement-and-analysis-of-torsional-vibration/feed/</wfw:commentRss> <slash:comments>13</slash:comments> </item> <item><title>Order Cuts And Overall Level</title><link>http://blog.prosig.com/2007/02/25/order-cuts-and-overall-level/</link> <comments>http://blog.prosig.com/2007/02/25/order-cuts-and-overall-level/#comments</comments> <pubDate>Sun, 25 Feb 2007 14:38:43 +0000</pubDate> <dc:creator>Dr Colin Mercer</dc:creator> <category><![CDATA[signal processing]]></category> <category><![CDATA[FFT]]></category> <category><![CDATA[nvh]]></category> <category><![CDATA[orders]]></category> <category><![CDATA[overall level]]></category> <category><![CDATA[rms]]></category> <category><![CDATA[waterfall]]></category><guid
isPermaLink="false">http://blog.prosig.com/2007/02/25/order-cuts-and-overall-level/</guid> <description><![CDATA[Order cuts are taken from a set of FFTs, each one at a different rpm. The rms level is then found as the Square root of the Sum of the...]]></description> <wfw:commentRss>http://blog.prosig.com/2007/02/25/order-cuts-and-overall-level/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>Exhaust Development Using A Prosig P8000 System</title><link>http://blog.prosig.com/2006/02/20/exhaust-development-using-a-prosig-p8000-system/</link> <comments>http://blog.prosig.com/2006/02/20/exhaust-development-using-a-prosig-p8000-system/#comments</comments> <pubDate>Mon, 20 Feb 2006 11:17:48 +0000</pubDate> <dc:creator>James Wren</dc:creator> <category><![CDATA[applications]]></category> <category><![CDATA[signal processing]]></category> <category><![CDATA[acoustic]]></category> <category><![CDATA[dynamometer]]></category> <category><![CDATA[exhaust]]></category> <category><![CDATA[microphone]]></category> <category><![CDATA[muffler]]></category> <category><![CDATA[noise]]></category> <category><![CDATA[nvh]]></category> <category><![CDATA[orders]]></category> <category><![CDATA[waterfall]]></category><guid
isPermaLink="false">http://blog.prosig.com/2006/02/20/exhaust-development-using-a-prosig-p8000-system/</guid> <description><![CDATA[The following note describes an application of the Prosig P8000/DATS system in the refinement of an automotive exhaust muffler design for a major after-market exhaust manufacturer in Europe. The particular...]]></description> <wfw:commentRss>http://blog.prosig.com/2006/02/20/exhaust-development-using-a-prosig-p8000-system/feed/</wfw:commentRss> <slash:comments>2</slash:comments> </item> <item><title>A Simple Noise Test</title><link>http://blog.prosig.com/2005/08/26/a-simple-noise-test/</link> <comments>http://blog.prosig.com/2005/08/26/a-simple-noise-test/#comments</comments> <pubDate>Fri, 26 Aug 2005 19:53:35 +0000</pubDate> <dc:creator>James Wren</dc:creator> <category><![CDATA[applications]]></category> <category><![CDATA[accelerometer]]></category> <category><![CDATA[acoustic]]></category> <category><![CDATA[exhaust]]></category> <category><![CDATA[Formula Ford]]></category> <category><![CDATA[microphone]]></category> <category><![CDATA[muffler]]></category> <category><![CDATA[noise]]></category> <category><![CDATA[nvh]]></category> <category><![CDATA[orders]]></category> <category><![CDATA[runup]]></category> <category><![CDATA[tachometer]]></category> <category><![CDATA[vibration]]></category> <category><![CDATA[waterfall]]></category><guid
isPermaLink="false">http://blog.prosig.com/2005/08/26/a-simple-noise-test/</guid> <description><![CDATA[In a recent article we described how the Prosig P8000 hardware and DATS software had been used to help Dalmeny Racing diagnose a problem with an exhaust bracket on their...]]></description> <wfw:commentRss>http://blog.prosig.com/2005/08/26/a-simple-noise-test/feed/</wfw:commentRss> <slash:comments>2</slash:comments> </item> </channel> </rss>
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