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><channel><title>Prosig Noise &#38; Vibration Blog &#187; acceleration : Noise &amp; Vibration Blog : What You Need To Know About Noise &amp; Vibration Measurement</title> <atom:link href="http://blog.prosig.com/tag/acceleration/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>How To Calculate A Resultant Vector</title><link>http://blog.prosig.com/2012/01/12/how-to-calculate-a-resultant-vector/</link> <comments>http://blog.prosig.com/2012/01/12/how-to-calculate-a-resultant-vector/#comments</comments> <pubDate>Thu, 12 Jan 2012 11:08:03 +0000</pubDate> <dc:creator>Dr Mike Donegan</dc:creator> <category><![CDATA[featured]]></category> <category><![CDATA[signal processing]]></category> <category><![CDATA[acceleration]]></category> <category><![CDATA[accelerometer]]></category> <category><![CDATA[magnitude]]></category> <category><![CDATA[modulus]]></category> <category><![CDATA[resultant]]></category> <category><![CDATA[resultant vector]]></category> <category><![CDATA[triaxial]]></category> <category><![CDATA[vector addition]]></category> <category><![CDATA[vector quantities]]></category> <category><![CDATA[vectors]]></category> <category><![CDATA[velocity]]></category><guid
isPermaLink="false">http://blog.prosig.com/?p=2677</guid> <description><![CDATA[We can distinguish between quantities which have magnitude only and those which have magnitude and are also associated with a direction in space. The former are called scalars, for example,...]]></description> <wfw:commentRss>http://blog.prosig.com/2012/01/12/how-to-calculate-a-resultant-vector/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>Negative Frequencies &#8211; What Are They?</title><link>http://blog.prosig.com/2011/12/13/negative-frequencies-what-are-they/</link> <comments>http://blog.prosig.com/2011/12/13/negative-frequencies-what-are-they/#comments</comments> <pubDate>Tue, 13 Dec 2011 10:09:54 +0000</pubDate> <dc:creator>Dr Colin Mercer</dc:creator> <category><![CDATA[featured]]></category> <category><![CDATA[signal processing]]></category> <category><![CDATA[acceleration]]></category> <category><![CDATA[analysis]]></category> <category><![CDATA[cosine wave]]></category> <category><![CDATA[DATS]]></category> <category><![CDATA[fft algorithm]]></category> <category><![CDATA[Fourier]]></category> <category><![CDATA[imaginary part]]></category> <category><![CDATA[initial phase]]></category> <category><![CDATA[signal frequency]]></category> <category><![CDATA[sine wave]]></category><guid
isPermaLink="false">http://blog.prosig.com/?p=2782</guid> <description><![CDATA[Normally when we are analysing a signal it is a purely real signal, that is it has no imaginary part.  A classic example is of course a sine wave.  When...]]></description> <wfw:commentRss>http://blog.prosig.com/2011/12/13/negative-frequencies-what-are-they/feed/</wfw:commentRss> <slash:comments>1</slash:comments> </item> <item><title>Vibration : Measure Acceleration, Velocity or Displacement?</title><link>http://blog.prosig.com/2011/09/05/vibration-analysis-should-we-measure-acceleration-velocity-or-displacement/</link> <comments>http://blog.prosig.com/2011/09/05/vibration-analysis-should-we-measure-acceleration-velocity-or-displacement/#comments</comments> <pubDate>Mon, 05 Sep 2011 06:43:46 +0000</pubDate> <dc:creator>Dr Colin Mercer</dc:creator> <category><![CDATA[signal processing]]></category> <category><![CDATA[acceleration]]></category> <category><![CDATA[accelerometer]]></category> <category><![CDATA[accelerometers]]></category> <category><![CDATA[amplitude]]></category> <category><![CDATA[differentiate]]></category> <category><![CDATA[differentiation]]></category> <category><![CDATA[displacement]]></category> <category><![CDATA[displacement measurement]]></category> <category><![CDATA[integrate]]></category> <category><![CDATA[integration]]></category> <category><![CDATA[probes]]></category> <category><![CDATA[sine wave]]></category> <category><![CDATA[sinewave]]></category> <category><![CDATA[transducer]]></category> <category><![CDATA[velocity]]></category> <category><![CDATA[velocity displacement]]></category> <category><![CDATA[vibration]]></category> <category><![CDATA[vibration analysis]]></category> <category><![CDATA[vibration data]]></category><guid
isPermaLink="false">http://blog.prosig.com/?p=2250</guid> <description><![CDATA[When using vibration data, especially in conjunction with modelling systems, the measured data is often needed as an acceleration, as a velocity and as a displacement. Sometimes different analysis groups...]]></description> <wfw:commentRss>http://blog.prosig.com/2011/09/05/vibration-analysis-should-we-measure-acceleration-velocity-or-displacement/feed/</wfw:commentRss> <slash:comments>3</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>Converting Acceleration, Velocity &amp; Displacement</title><link>http://blog.prosig.com/2010/12/16/methods-of-conversion-between-acceleration-velocity-and-displacement/</link> <comments>http://blog.prosig.com/2010/12/16/methods-of-conversion-between-acceleration-velocity-and-displacement/#comments</comments> <pubDate>Thu, 16 Dec 2010 10:43:08 +0000</pubDate> <dc:creator>James Wren</dc:creator> <category><![CDATA[popular]]></category> <category><![CDATA[signal processing]]></category> <category><![CDATA[acceleration]]></category> <category><![CDATA[differentiate]]></category> <category><![CDATA[differentiation]]></category> <category><![CDATA[displacement]]></category> <category><![CDATA[integrate]]></category> <category><![CDATA[integration]]></category> <category><![CDATA[omega arithmetic]]></category> <category><![CDATA[velocity]]></category><guid
isPermaLink="false">http://blog.prosig.com/?p=1569</guid> <description><![CDATA[From time to time I meet engineers who are interested in the conversions between acceleration, velocity and displacement. Often, they have measured acceleration, but are interested in displacement or vice...]]></description> <wfw:commentRss>http://blog.prosig.com/2010/12/16/methods-of-conversion-between-acceleration-velocity-and-displacement/feed/</wfw:commentRss> <slash:comments>9</slash:comments> </item> <item><title>Calculating Velocity Or Displacement From Acceleration Time Histories</title><link>http://blog.prosig.com/2007/10/05/calculating-velocity-or-displacement-from-acceleration-time-histories/</link> <comments>http://blog.prosig.com/2007/10/05/calculating-velocity-or-displacement-from-acceleration-time-histories/#comments</comments> <pubDate>Fri, 05 Oct 2007 10:56:53 +0000</pubDate> <dc:creator>Adrian Lincoln</dc:creator> <category><![CDATA[signal processing]]></category> <category><![CDATA[acceleration]]></category> <category><![CDATA[DC offset]]></category> <category><![CDATA[differentiation]]></category> <category><![CDATA[displacement]]></category> <category><![CDATA[engine]]></category> <category><![CDATA[integration]]></category> <category><![CDATA[omega arithmetic]]></category> <category><![CDATA[velocity]]></category><guid
isPermaLink="false">http://blog.prosig.com/2007/10/05/calculating-velocity-or-displacement-from-acceleration-time-histories/</guid> <description><![CDATA[It is quite straightforward to apply “classical” integration techniques to calculate either a velocity time history from an acceleration time history or the corresponding displacement time history from a velocity...]]></description> <wfw:commentRss>http://blog.prosig.com/2007/10/05/calculating-velocity-or-displacement-from-acceleration-time-histories/feed/</wfw:commentRss> <slash:comments>11</slash:comments> </item> <item><title>Acceleration, Velocity &amp;  Displacement Spectra – Omega Arithmetic</title><link>http://blog.prosig.com/2006/12/07/acceleration-velocity-displacement-spectra-%e2%80%93-omega-arithmetic/</link> <comments>http://blog.prosig.com/2006/12/07/acceleration-velocity-displacement-spectra-%e2%80%93-omega-arithmetic/#comments</comments> <pubDate>Thu, 07 Dec 2006 08:50:39 +0000</pubDate> <dc:creator>Dr Colin Mercer</dc:creator> <category><![CDATA[signal processing]]></category> <category><![CDATA[acceleration]]></category> <category><![CDATA[displacement]]></category> <category><![CDATA[nvh]]></category> <category><![CDATA[omega arithmetic]]></category> <category><![CDATA[velocity]]></category><guid
isPermaLink="false">http://blog.prosig.com/2006/12/07/acceleration-velocity-displacement-spectra-%e2%80%93-omega-arithmetic/</guid> <description><![CDATA[Accelerometers are robust, simple to use and readily available transducers. Measuring velocity and displacement directly is not simple. In a laboratory test rig we could use one of the modern...]]></description> <wfw:commentRss>http://blog.prosig.com/2006/12/07/acceleration-velocity-displacement-spectra-%e2%80%93-omega-arithmetic/feed/</wfw:commentRss> <slash:comments>18</slash:comments> </item> </channel> </rss>
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