signal processing Archive
2 Apr 2013
A Different Way Of Averaging – Time Synchronous Averaging
Assuming one wants a frequency spectrum from an acquired
26 Feb 2013
Quantifying Signals – Peak, Peak-to-Peak, & RMS metrics
Anytime you measure something which is changing with time,
28 Jan 2013
What Can I Do About Spikes In My Data?
Whether you call them spikes, glitches, anomalies or data
25 Jul 2012
Waterfall Analysis: Frequency Spectrum or Order Spectrum?
This article addresses two basic approaches to analyzing rotating
15 Jun 2012
Wide Band Integrators – What Are They?
For some time now it has been conventional ‘wisdom’
29 May 2012
Noise & Vibration Analysis: Back To Basics
Sometimes it doesn’t hurt to revisit some of the
18 Apr 2012
Waterfall Analysis: Frequency Resolution and Smearing
When measuring noise and vibration in rotating machines, especially
20 Mar 2012
Understanding the Importance of Transducer Orientation
When monitoring vibration on large gas or steam turbines
28 Feb 2012
Testing Times : Why & How We Measure Noise & Vibration
We’re going to look today at some of the
7 Feb 2012
Why is the microphone pressure reference 2*10-5 Pascals?
This seemingly simple question is actually quite fundamental. To
24 Jan 2012
Measuring Torsional Vibration 101
Do you need to measure torsional vibration? Interested in
12 Jan 2012
How To Calculate A Resultant Vector
We can distinguish between quantities which have magnitude only
9 Nov 2011
What is Synchronous (Angular) Sampling?
The term synchronous data is usually applied to vibration
4 Oct 2011
Understanding Filter Characteristics
Recently when discussing with an engineering student the characteristics
4 Oct 2011
Video: Noise & Vibration From Rotating Machines
This is complete version of the video illustrating my
5 Sep 2011
Vibration : Measure Acceleration, Velocity or Displacement?
When using vibration data, especially in conjunction with modelling
30 Aug 2011
Understanding Windowing And Overlapping Analysis
The following article was inspired by a question asked
9 Aug 2011
How To Analyze Noise & Vibration In Rotating Machines
In this article we will look at the basic
4 May 2011
Which Should I Use? Real & imaginary? Or magnitude & phase?
In one of our recent articles a question was