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><channel><title>Prosig Noise &#38; Vibration Blog &#187;  | Prosig Noise &amp; Vibration Blog</title> <atom:link href="http://blog.prosig.com/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>Mon, 14 May 2012 14:05:45 +0000</lastBuildDate> <language>en</language> <sy:updatePeriod>hourly</sy:updatePeriod> <sy:updateFrequency>1</sy:updateFrequency> <generator>http://wordpress.org/?v=3.3.2</generator> <item><title>Where Does The Noise Come From?</title><link>http://blog.prosig.com/2012/05/14/where-does-the-noise-come-from/</link> <comments>http://blog.prosig.com/2012/05/14/where-does-the-noise-come-from/#comments</comments> <pubDate>Mon, 14 May 2012 14:05:08 +0000</pubDate> <dc:creator>Dr Colin Mercer</dc:creator> <category><![CDATA[featured]]></category> <category><![CDATA[signal processing]]></category> <category><![CDATA[amplitude spectra]]></category> <category><![CDATA[amplitude spectrum]]></category> <category><![CDATA[db scale]]></category> <category><![CDATA[frequency domain]]></category> <category><![CDATA[noise floor]]></category> <category><![CDATA[noisy signal]]></category> <category><![CDATA[phase noise]]></category> <category><![CDATA[phase spectra]]></category> <category><![CDATA[phase spectrum]]></category> <category><![CDATA[signal to noise]]></category> <category><![CDATA[signal to noise ratio]]></category> <category><![CDATA[sinewave]]></category> <category><![CDATA[time delay]]></category> <category><![CDATA[time domain]]></category><guid
isPermaLink="false">http://blog.prosig.com/?p=3198</guid> <description><![CDATA[When one thinks of noise in a signal it is generally associated with having been added in some way to the amplitude of a signal.  This is not always the...]]></description> <wfw:commentRss>http://blog.prosig.com/2012/05/14/where-does-the-noise-come-from/feed/</wfw:commentRss> <slash:comments>2</slash:comments> </item> <item><title>Waterfall Analysis: Frequency Resolution and Smearing</title><link>http://blog.prosig.com/2012/04/18/waterfall-analysis-frequency-resolution-and-smearing/</link> <comments>http://blog.prosig.com/2012/04/18/waterfall-analysis-frequency-resolution-and-smearing/#comments</comments> <pubDate>Wed, 18 Apr 2012 07:42:01 +0000</pubDate> <dc:creator>John Mathey</dc:creator> <category><![CDATA[featured]]></category> <category><![CDATA[signal processing]]></category> <category><![CDATA[data acquisition]]></category> <category><![CDATA[frequency range]]></category> <category><![CDATA[incremental steps]]></category> <category><![CDATA[internal combustion engine]]></category> <category><![CDATA[rotating machinery]]></category> <category><![CDATA[rotation frequency]]></category> <category><![CDATA[rotational speed]]></category> <category><![CDATA[rpm]]></category> <category><![CDATA[sampling frequency]]></category> <category><![CDATA[smearing]]></category> <category><![CDATA[spectra]]></category> <category><![CDATA[speed changes]]></category> <category><![CDATA[vibration]]></category> <category><![CDATA[waterfall]]></category><guid
isPermaLink="false">http://blog.prosig.com/?p=3187</guid> <description><![CDATA[When measuring noise and vibration in rotating machines, especially complex devices like automobile engines, it is very important to fully understand what is being measured and what analyses need to...]]></description> <wfw:commentRss>http://blog.prosig.com/2012/04/18/waterfall-analysis-frequency-resolution-and-smearing/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>New Version Of DATS Out Now &#8211; V7.0.22 Released</title><link>http://blog.prosig.com/2012/03/26/new-version-of-dats-out-now-v7-0-22-released/</link> <comments>http://blog.prosig.com/2012/03/26/new-version-of-dats-out-now-v7-0-22-released/#comments</comments> <pubDate>Mon, 26 Mar 2012 09:26:36 +0000</pubDate> <dc:creator>Prosig</dc:creator> <category><![CDATA[news]]></category> <category><![CDATA[bug fixes]]></category> <category><![CDATA[DATS]]></category> <category><![CDATA[enhancements]]></category> <category><![CDATA[gearbox]]></category> <category><![CDATA[new feature]]></category> <category><![CDATA[Prosig]]></category> <category><![CDATA[rotating machinery]]></category> <category><![CDATA[signal analysis]]></category> <category><![CDATA[waterfall plots]]></category><guid
isPermaLink="false">http://blog.prosig.com/?p=3171</guid> <description><![CDATA[The latest version of Prosig’s DATS software was released today and is available to download from the Prosig Support web pages. Read on to find out about some the new features… Are...]]></description> <wfw:commentRss>http://blog.prosig.com/2012/03/26/new-version-of-dats-out-now-v7-0-22-released/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>Understanding the Importance of Transducer Orientation</title><link>http://blog.prosig.com/2012/03/20/understanding-the-importance-of-transducer-orientation/</link> <comments>http://blog.prosig.com/2012/03/20/understanding-the-importance-of-transducer-orientation/#comments</comments> <pubDate>Tue, 20 Mar 2012 07:58:37 +0000</pubDate> <dc:creator>Don Davies</dc:creator> <category><![CDATA[featured]]></category> <category><![CDATA[signal processing]]></category> <category><![CDATA[transducers]]></category> <category><![CDATA[current transducers]]></category> <category><![CDATA[horizontal planes]]></category> <category><![CDATA[orbit plot]]></category> <category><![CDATA[orientation angles]]></category> <category><![CDATA[probes]]></category> <category><![CDATA[Prosig]]></category> <category><![CDATA[PROTOR]]></category> <category><![CDATA[steam turbine]]></category> <category><![CDATA[steam turbines]]></category> <category><![CDATA[transducer]]></category> <category><![CDATA[vector components]]></category> <category><![CDATA[vibration data]]></category><guid
isPermaLink="false">http://blog.prosig.com/?p=3004</guid> <description><![CDATA[When monitoring vibration on large gas or steam turbines and generators with fluid-film bearings, the relative movement of the shaft within the bearing is typically measured by a pair of...]]></description> <wfw:commentRss>http://blog.prosig.com/2012/03/20/understanding-the-importance-of-transducer-orientation/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>Testing Times : Why &amp; How We Measure Noise &amp; Vibration</title><link>http://blog.prosig.com/2012/02/28/testing-times-why-how-we-measure-noise-vibration/</link> <comments>http://blog.prosig.com/2012/02/28/testing-times-why-how-we-measure-noise-vibration/#comments</comments> <pubDate>Tue, 28 Feb 2012 12:30:33 +0000</pubDate> <dc:creator>Chris Mason</dc:creator> <category><![CDATA[applications]]></category> <category><![CDATA[featured]]></category> <category><![CDATA[signal processing]]></category> <category><![CDATA[automobiles]]></category> <category><![CDATA[automotive components]]></category> <category><![CDATA[DATS]]></category> <category><![CDATA[dishwasher]]></category> <category><![CDATA[fridge]]></category> <category><![CDATA[measurements]]></category> <category><![CDATA[noise]]></category> <category><![CDATA[noise vibration harshness]]></category> <category><![CDATA[P8000]]></category> <category><![CDATA[power steering pumps]]></category> <category><![CDATA[Prosig]]></category> <category><![CDATA[refinement]]></category> <category><![CDATA[sound quality]]></category> <category><![CDATA[vibration]]></category><guid
isPermaLink="false">http://blog.prosig.com/?p=3122</guid> <description><![CDATA[We&#8217;re going to look today at some of the practical aspects of testing and consider why it&#8217;s important that you should measure and, more importantly, understand the noise and vibration...]]></description> <wfw:commentRss>http://blog.prosig.com/2012/02/28/testing-times-why-how-we-measure-noise-vibration/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>Why is the microphone pressure reference 2*10-5 Pascals?</title><link>http://blog.prosig.com/2012/02/07/why-is-the-microphone-pressure-reference-210-5-pascals/</link> <comments>http://blog.prosig.com/2012/02/07/why-is-the-microphone-pressure-reference-210-5-pascals/#comments</comments> <pubDate>Tue, 07 Feb 2012 10:22:11 +0000</pubDate> <dc:creator>Dr Colin Mercer</dc:creator> <category><![CDATA[featured]]></category> <category><![CDATA[signal processing]]></category> <category><![CDATA[acoustic]]></category> <category><![CDATA[acoustic waves]]></category> <category><![CDATA[db]]></category> <category><![CDATA[dB reference]]></category> <category><![CDATA[reference]]></category> <category><![CDATA[sound intensity]]></category> <category><![CDATA[sound pressure]]></category> <category><![CDATA[sound wave]]></category> <category><![CDATA[speed of sound]]></category> <category><![CDATA[speed of sound in air]]></category><guid
isPermaLink="false">http://blog.prosig.com/?p=2960</guid> <description><![CDATA[This seemingly simple question is actually quite fundamental.  To answer the question we need to consider sound intensity.  Now sound intensity is defined as “the average rate of flow of...]]></description> <wfw:commentRss>http://blog.prosig.com/2012/02/07/why-is-the-microphone-pressure-reference-210-5-pascals/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>Mari Aerotech To Attend Automotive Testing Expo India 2012</title><link>http://blog.prosig.com/2012/01/25/mari-aerotech-to-attend-automotive-testing-expo-india-2012/</link> <comments>http://blog.prosig.com/2012/01/25/mari-aerotech-to-attend-automotive-testing-expo-india-2012/#comments</comments> <pubDate>Wed, 25 Jan 2012 14:42:00 +0000</pubDate> <dc:creator>Chris Mason</dc:creator> <category><![CDATA[news]]></category> <category><![CDATA[automotive testing expo]]></category> <category><![CDATA[exhibition]]></category> <category><![CDATA[india]]></category> <category><![CDATA[indian distributor]]></category> <category><![CDATA[mari aerotech]]></category> <category><![CDATA[Prosig]]></category><guid
isPermaLink="false">http://blog.prosig.com/?p=2942</guid> <description><![CDATA[Prosig&#8217;s Indian distributor, Mari Aerotech, will be exhibiting at Automotive Testing Expo India 2012. The conference runs on 6th, 7th &#38; 8th March 2012 at Chennai Trade Centre. Automotive Testing Expo India...]]></description> <wfw:commentRss>http://blog.prosig.com/2012/01/25/mari-aerotech-to-attend-automotive-testing-expo-india-2012/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>Measuring Torsional Vibration 101</title><link>http://blog.prosig.com/2012/01/24/measuring-torsional-vibration-101/</link> <comments>http://blog.prosig.com/2012/01/24/measuring-torsional-vibration-101/#comments</comments> <pubDate>Tue, 24 Jan 2012 10:26:13 +0000</pubDate> <dc:creator>Chris Mason</dc:creator> <category><![CDATA[applications]]></category> <category><![CDATA[featured]]></category> <category><![CDATA[signal processing]]></category> <category><![CDATA[acoustic]]></category> <category><![CDATA[acoustic data]]></category> <category><![CDATA[acoustics]]></category> <category><![CDATA[aliasing]]></category> <category><![CDATA[analysis]]></category> <category><![CDATA[gear train]]></category> <category><![CDATA[gears]]></category> <category><![CDATA[jitter]]></category> <category><![CDATA[measurement]]></category> <category><![CDATA[noise]]></category> <category><![CDATA[Prosig]]></category> <category><![CDATA[pulses]]></category> <category><![CDATA[refinement]]></category> <category><![CDATA[rotat]]></category> <category><![CDATA[rotation]]></category> <category><![CDATA[rotational]]></category> <category><![CDATA[rotational speed]]></category> <category><![CDATA[shaft]]></category> <category><![CDATA[shaft encoder]]></category> <category><![CDATA[signals]]></category> <category><![CDATA[tachometer]]></category> <category><![CDATA[torsional]]></category> <category><![CDATA[torsional vibration]]></category> <category><![CDATA[twist]]></category> <category><![CDATA[vibration]]></category><guid
isPermaLink="false">http://blog.prosig.com/?p=2875</guid> <description><![CDATA[Do you need to measure torsional vibration? Interested in shaft twist? Worried about rotational jitter? Don&#8217;t worry, we&#8217;ve got it covered. Here we have gathered together our most popular articles...]]></description> <wfw:commentRss>http://blog.prosig.com/2012/01/24/measuring-torsional-vibration-101/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <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[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[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>2</slash:comments> </item> <item><title>A New Partner In Condition Monitoring &#8211; VibrationDiagnostics Ltd</title><link>http://blog.prosig.com/2011/12/08/a-new-partner-in-condition-monitoring-vibrationdiagnostics-ltd/</link> <comments>http://blog.prosig.com/2011/12/08/a-new-partner-in-condition-monitoring-vibrationdiagnostics-ltd/#comments</comments> <pubDate>Thu, 08 Dec 2011 11:30:25 +0000</pubDate> <dc:creator>Prosig</dc:creator> <category><![CDATA[news]]></category> <category><![CDATA[condition monitoring]]></category> <category><![CDATA[powerstation]]></category> <category><![CDATA[services]]></category> <category><![CDATA[VibrationDiagnostics]]></category><guid
isPermaLink="false">http://blog.prosig.com/?p=2672</guid> <description><![CDATA[Prosig have worked for many years with Chris White when he was employed by RWE nPower in the Turbine Generator Rotating Plant Dynamics and Condition Monitoring Group.  RWE use the...]]></description> <wfw:commentRss>http://blog.prosig.com/2011/12/08/a-new-partner-in-condition-monitoring-vibrationdiagnostics-ltd/feed/</wfw:commentRss> <slash:comments>2</slash:comments> </item> <item><title>What&#8217;s All The Noise About?</title><link>http://blog.prosig.com/2011/11/24/whats-all-that-noise-about/</link> <comments>http://blog.prosig.com/2011/11/24/whats-all-that-noise-about/#comments</comments> <pubDate>Thu, 24 Nov 2011 12:25:01 +0000</pubDate> <dc:creator>Chris Mason</dc:creator> <category><![CDATA[links]]></category> <category><![CDATA[acoustic]]></category> <category><![CDATA[acoustic transducers]]></category> <category><![CDATA[acoustics]]></category> <category><![CDATA[decibel]]></category> <category><![CDATA[infographics]]></category> <category><![CDATA[loud]]></category> <category><![CDATA[loudest]]></category> <category><![CDATA[loudness]]></category> <category><![CDATA[music]]></category> <category><![CDATA[noise]]></category> <category><![CDATA[noise level]]></category> <category><![CDATA[noise level chart]]></category> <category><![CDATA[pink noise]]></category> <category><![CDATA[red noise]]></category> <category><![CDATA[resonant vibration]]></category> <category><![CDATA[sound]]></category> <category><![CDATA[Space Shuttle]]></category> <category><![CDATA[space shuttle launch]]></category><guid
isPermaLink="false">http://blog.prosig.com/?p=2749</guid> <description><![CDATA[We&#8217;ve come across a number of great noise related resources lately. So, rather than keep them all to ourselves, we have decided to share them with our readers. Thanks should...]]></description> <wfw:commentRss>http://blog.prosig.com/2011/11/24/whats-all-that-noise-about/feed/</wfw:commentRss> <slash:comments>4</slash:comments> </item> <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[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>Prosig Student Prize Awarded</title><link>http://blog.prosig.com/2011/10/19/prosig-student-prize-awarded/</link> <comments>http://blog.prosig.com/2011/10/19/prosig-student-prize-awarded/#comments</comments> <pubDate>Wed, 19 Oct 2011 09:28:00 +0000</pubDate> <dc:creator>Prosig</dc:creator> <category><![CDATA[news]]></category> <category><![CDATA[college]]></category> <category><![CDATA[portsmouth]]></category> <category><![CDATA[prize]]></category> <category><![CDATA[student]]></category> <category><![CDATA[university]]></category><guid
isPermaLink="false">http://blog.prosig.com/?p=2106</guid> <description><![CDATA[Prosig are proud to announce, somewhat belatedly, that Oliver Klösters is the inaugural winner of the Prosig University Engineering Student Prize. The prize was created as part of Prosig&#8217;s University Partnership...]]></description> <wfw:commentRss>http://blog.prosig.com/2011/10/19/prosig-student-prize-awarded/feed/</wfw:commentRss> <slash:comments>1</slash:comments> </item> <item><title>5 Unusual &amp; Interesting Acoustic Webpages</title><link>http://blog.prosig.com/2011/10/19/5-unusual-interesting-acoustic-webpages/</link> <comments>http://blog.prosig.com/2011/10/19/5-unusual-interesting-acoustic-webpages/#comments</comments> <pubDate>Wed, 19 Oct 2011 08:23:55 +0000</pubDate> <dc:creator>Chris Mason</dc:creator> <category><![CDATA[links]]></category> <category><![CDATA[acoustic]]></category> <category><![CDATA[acoustic applications]]></category> <category><![CDATA[acoustic work]]></category> <category><![CDATA[acoustics]]></category> <category><![CDATA[music]]></category> <category><![CDATA[noise]]></category> <category><![CDATA[noise problems]]></category> <category><![CDATA[noise vibration]]></category> <category><![CDATA[refrigeration]]></category> <category><![CDATA[sound waves]]></category> <category><![CDATA[speakers]]></category> <category><![CDATA[vibration attenuation]]></category><guid
isPermaLink="false">http://blog.prosig.com/?p=2616</guid> <description><![CDATA[Many of our readers spend their days studying or solving noise problems. In our day-to-day work it&#8217;s often easy to forget some of the more unusual applications and miss out...]]></description> <wfw:commentRss>http://blog.prosig.com/2011/10/19/5-unusual-interesting-acoustic-webpages/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>Video: How To Calibrate Microphones &amp; Accelerometers</title><link>http://blog.prosig.com/2011/10/12/new-videos-how-to-calibrate-microphones-accelerometers/</link> <comments>http://blog.prosig.com/2011/10/12/new-videos-how-to-calibrate-microphones-accelerometers/#comments</comments> <pubDate>Wed, 12 Oct 2011 08:12:47 +0000</pubDate> <dc:creator>James Wren</dc:creator> <category><![CDATA[tutorials]]></category> <category><![CDATA[videos]]></category> <category><![CDATA[accelerometer]]></category> <category><![CDATA[accelerometers]]></category> <category><![CDATA[calibration]]></category> <category><![CDATA[microphone]]></category> <category><![CDATA[microphones]]></category><guid
isPermaLink="false">http://blog.prosig.com/?p=2582</guid> <description><![CDATA[Here are two videos on a relatively simple, but sometimes misunderstood procedure &#8211; how to calibrate microphones &#38; accelerometers 1. How To Calibrate A Microphone 2. How To Calibrate An...]]></description> <wfw:commentRss>http://blog.prosig.com/2011/10/12/new-videos-how-to-calibrate-microphones-accelerometers/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>Prosig&#8217;s Australian Agent Will Be Exhibiting At Acoustics 2011</title><link>http://blog.prosig.com/2011/10/10/prosigs-australian-agent-will-be-exhibiting-at-acoustics-2011/</link> <comments>http://blog.prosig.com/2011/10/10/prosigs-australian-agent-will-be-exhibiting-at-acoustics-2011/#comments</comments> <pubDate>Mon, 10 Oct 2011 13:37:25 +0000</pubDate> <dc:creator>Prosig</dc:creator> <category><![CDATA[news]]></category> <category><![CDATA[acoustic]]></category> <category><![CDATA[australia]]></category> <category><![CDATA[ETMC]]></category> <category><![CDATA[exhibition]]></category> <category><![CDATA[noise]]></category><guid
isPermaLink="false">http://blog.prosig.com/?p=2569</guid> <description><![CDATA[Prosig&#8217;s Australian agent, ETMC Technologies, will be exhibiting at Acoustics 2011, the Conference of the Australian Acoustical Society. The conference runs from 2-4 November 2011 at Holiday Inn, Surfers Paradise, Gold...]]></description> <wfw:commentRss>http://blog.prosig.com/2011/10/10/prosigs-australian-agent-will-be-exhibiting-at-acoustics-2011/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> <item><title>Understanding Filter Characteristics</title><link>http://blog.prosig.com/2011/10/04/understanding-filter-characteristics/</link> <comments>http://blog.prosig.com/2011/10/04/understanding-filter-characteristics/#comments</comments> <pubDate>Tue, 04 Oct 2011 09:45:00 +0000</pubDate> <dc:creator>James Wren</dc:creator> <category><![CDATA[signal processing]]></category> <category><![CDATA[band pass]]></category> <category><![CDATA[band stop]]></category> <category><![CDATA[dominant frequency]]></category> <category><![CDATA[filter]]></category> <category><![CDATA[filtering]]></category> <category><![CDATA[frequency content]]></category> <category><![CDATA[frequency domain]]></category> <category><![CDATA[high pass]]></category> <category><![CDATA[low pass]]></category> <category><![CDATA[sine wave]]></category> <category><![CDATA[sinewave]]></category> <category><![CDATA[spectrum]]></category> <category><![CDATA[spike]]></category> <category><![CDATA[time domain]]></category><guid
isPermaLink="false">http://blog.prosig.com/?p=2223</guid> <description><![CDATA[Recently when discussing with an engineering student the characteristics of filters, it became clear that some confusion exists around this subject area. This note attempts to explain the differences between types...]]></description> <wfw:commentRss>http://blog.prosig.com/2011/10/04/understanding-filter-characteristics/feed/</wfw:commentRss> <slash:comments>4</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>Come &amp; Meet Prosig At Automotive Testing</title><link>http://blog.prosig.com/2011/10/03/come-meet-prosig-at-automotive-testing-expo-na/</link> <comments>http://blog.prosig.com/2011/10/03/come-meet-prosig-at-automotive-testing-expo-na/#comments</comments> <pubDate>Mon, 03 Oct 2011 14:57:37 +0000</pubDate> <dc:creator>Prosig</dc:creator> <category><![CDATA[news]]></category> <category><![CDATA[exhibition]]></category><guid
isPermaLink="false">http://blog.prosig.com/?p=2526</guid> <description><![CDATA[Prosig will be at Automotive Testing Expo North America on October 25th, 26th &#38; 27th 2011. Among the hardware and software on display will be some of the latest developments...]]></description> <wfw:commentRss>http://blog.prosig.com/2011/10/03/come-meet-prosig-at-automotive-testing-expo-na/feed/</wfw:commentRss> <slash:comments>0</slash:comments> </item> </channel> </rss>
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