Page 3 - Prosig Catalogue 2005

Notes & Articles Index

Data Capture & Measurement How to measure noise & vibration in 51
rotating machines
Made to measure 17 by Chris Mason
by James Wren A simple frequency response function 52
What are dB, noise floor & dynamic range 19 by James Wren
by James Wren Frequency, Hertz & orders 54
Strain gauges explained 21 by Dr Colin Mercer
by James Wren Fatigue & durability testing: How do I do it? 56
Accelerometer mounting methods 25 by James Wren
by Adrian Lincoln Vibration analysis: Should we measure 59
What is the difference between single- 28 acceleration, velocity or displacement?
ended & differential inputs by Dr Colin Mercer
by James Wren How to calculate a resultant vector 61
What is the difference between microphone 29 by Dr Mike Donegan
types Understanding the cross correlation function 62
by James Wren by Dr Colin Mercer
The basics of digital filtering 64
by James Wren
Noise & Vibration Analysis
Standard octave bands 42
by Dr Colin Mercer
Interpretation of the Articulation Index 42 Vibration Condition Monitoring
by Dr Colin Mercer Measuring shaft displacement 74
A, B & C weighting 43 by Don Davies
by Dr Colin Mercer Signal conditioning for high common-mode 75
Audio equalisation filter & parametric 44 & isolation
filtering by Don Davies
by Dr Colin Mercer Monitoring auxiliary machinery 76
Fourier analysis: The basics & beyond 45 by Don Davies
by Dr Colin Mercer Understanding the importance of 77
What is resonance 48 transducer orientation
by James Wren by Don Davies
Aliasing, orders & wagon wheels 49
by Dr Colin Mercer

About The Authors...

James Wren Don Davies
James is an application specialist and Sales Manager at Don graduated from the Institute of Sound and Vibration
Prosig. James graduated from Portsmouth University in Research (ISVR) and is now Product Manager and the
2001 with a Masters degree in Electronic Engineering. He lead developer for Prosig’s PROTOR condition monitoring
is a chartered member of the IET. products. He is a member of the British Computer Society.

Chris Mason Dr Mike Donegan
Chris graduated from Portsmouth Polytechnic in 1983 and Mike graduated from the University of Southampton and
is General Manager & Product Development Manager at then completed a PhD in Seismic Refraction Studies.
Prosig. He leads the development of Prosig’s products & He now researches & develops algorithms and assists
writes for the Prosig Blog. customers with analysis issues.

Dr Colin Mercer Adrian Lincoln
Colin is Chief Signal Processing Analyst at Prosig. He was Adrian is Signal Processing Technology Manager at Prosig.
formerly at the Institute of Sound & Vibration Research He was formerly a Research Fellow at the ISVR. He is a
(ISVR), Southampton University where he founded the Chartered Engineer and member of the British Computer
Data Analysis Centre. Society and Institute of Mechanical Engineers.