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Signal Processing Articles

0  1  2  3  4  5  6  7  8  9  A  B  C  D  E  F  G  H
I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z
  • A

  • A Different Way Of Averaging - Time Synchronous Averaging
  • A Simple Frequency Response Function
  • A, B & C Weighting
  • Acceleration, Velocity & Displacement Spectra – Omega Arithmetic
  • Aliasing, Orders and Wagon Wheels
  • Amplitude And Energy Correction – A Brief Summary
  • Analyzing Shaft Twist And Repairing Damaged Tachos
  • Audio Equalisation Filter & Parametric Filtering
  • Average Waterfalls Or Average Orders?
  • C

  • Calculating Velocity Or Displacement From Acceleration Time Histories
  • Cleaning Up Data
  • Converting Acceleration, Velocity & Displacement
  • D

  • Data Decimation. What Do I Do?
  • Data Smoothing : RC Filtering And Exponential Averaging
  • Data Windows : What, why and when?
  • Developing an Algorithm for Tick Detection
  • Do Missing Tacho Pulses Mean The End Of The Road For Your Test?
  • Does The Signal Have A Gaussian Probability Density?
  • Don’t Let Spikes Spoil Your Data
  • Dynamic Range And Overall Level : What Are They ?
  • E

  • Evaluating A Closed Loop Control System For High Pressure Pumps
  • Examples Of Event Extraction And Removal
  • Exhaust Development Using A Prosig P8000 System
  • F

  • Fatigue & Durability Testing
  • Frequency, Hertz & Orders
  • G

  • Getting Rid Of Spikes
  • H

  • High Dynamic Range – Fact or Fiction?
  • High Pass Filtering And Tacho Signals
  • How To Analyze Noise & Vibration In Rotating Machines
  • How To Calculate A Resultant Vector
  • Human Exposure To Vibration In Buildings (DIN 4150-2:1999-06 & DIN 45669-1:1995-06)
  • I

  • Interpolation Versus Resampling To Increase The Sample Rate
  • Interpretation of the Articulation Index
  • M

  • Measurement And Analysis Of Torsional Vibration
  • Measuring For Success
  • Measuring Torsional Crank Shaft Jitter
  • Measuring Torsional Twist & Vibration Along a Shaft or Through a Geartrain
  • Measuring Torsional Vibration 101
  • N

  • Negative Frequencies - What Are They?
  • N  (continued)

  • Noise & Vibration Analysis: Back To Basics
  • Non-Linear Calibration Curve And Polynomial
  • Notes On Fourier Analysis
  • O

  • Order Cuts And Overall Level
  • Orders v Time – Comparing Overall Levels
  • P

  • Phase Between Signals
  • Q

  • Quantifying Signals - Peak, Peak-to-Peak, & RMS metrics
  • R

  • Removing A-Weighting From Time History Signals
  • Removing Phase Delay Using Phaseless Filtering
  • S

  • Shaft Displacement Measurement Using A PROTOR System
  • Smoothing Spectral Data
  • Sound Steering
  • Standard Octave Bands
  • T

  • Testing Times : Why & How We Measure Noise & Vibration
  • The Causes of Road Noise
  • The Intelligent Way To Sort, Extract & Analyze Signals
  • Time Varying Overall Level
  • Torsional Vibration, Tacho Pulses And Aliasing
  • U

  • Understanding & Measuring Noise
  • Understanding Filter Characteristics
  • Understanding The Cross Correlation Function
  • Understanding the Importance of Transducer Orientation
  • Understanding Windowing And Overlapping Analysis
  • V

  • Vibration : Measure Acceleration, Velocity or Displacement?
  • Vibration Monitoring Phase Measurement And The Tacho Signal
  • Video: Noise & Vibration From Rotating Machines
  • W

  • Waterfall Analysis: Frequency Resolution and Smearing
  • Waterfall Analysis: Frequency Spectrum or Order Spectrum?
  • What Are AC and DC Coupling?
  • What Are dB, Noise Floor & Dynamic Range?
  • What Can I Do About Spikes In My Data?
  • What Is Resonance?
  • What is Resonance? (Part 2)
  • What is Synchronous (Angular) Sampling?
  • What Is The Difference Between Single Ended & Differential Inputs?
  • Where Does The Noise Come From?
  • Which Should I Use? Real & imaginary? Or magnitude & phase?
  • Why is the microphone pressure reference 2*10-5 Pascals?
  • Wide Band Integrators - What Are They?

Case Studies

0  1  2  3  4  5  6  7  8  9  A  B  C  D  E  F  G  H
I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z
  • A Simple Noise Test
  • Analyzing Shaft Twist And Repairing Damaged Tachos
  • Building a new test model
  • Comparing Vibration On Bicycle Suspension
  • Developing an Algorithm for Tick Detection
  • Do You Need To Measure Brake Noise?
  • Engine Model Being Put Through Its Paces
  • Evaluating A Closed Loop Control System For High Pressure Pumps
  • Exhaust Development Using A Prosig P8000 System
  • Fatigue & Durability Testing
  • Getting Rid Of Spikes
  • In-situ balance of an Open Cycle Gas Turbine
  • In-Vehicle Voltage Supply From Cigar Lighter / Accessory Sockets
  • Measuring For Success
  • Measuring Torsional Crank Shaft Jitter
  • Measuring Torsional Twist & Vibration Along a Shaft or Through a Geartrain
  • Measuring Torsional Vibration 101
  • Non-Linear Calibration Curve And Polynomial
  • Shaft Displacement Measurement Using A PROTOR System
  • Sound Steering
  • Testing Times : Why & How We Measure Noise & Vibration
  • The Intelligent Way To Sort, Extract & Analyze Signals
  • Understanding & Measuring Noise
  • Using Your VCM To Monitor Auxiliary Equipment
  • Vibration Condition Monitoring Doesn't Get More Mobile Than This!
  • Vibration Condition Monitoring Using Your Android Smartphone

Tutorials & HowTo’s

  • A Different Way Of Averaging - Time Synchronous Averaging
  • A Simple Capture, Analysis and Report (Part 1)
  • A Simple Capture, Analysis and Report (Part 2)
  • A Simple Capture, Analysis and Report (Part 3)
  • A Simple Capture, Analysis and Report (Part 4)
  • Adding a DATS graph to a Powerpoint slideshow
  • Do Missing Tacho Pulses Mean The End Of The Road For Your Test?
  • Everything You Ever Wanted To Know About GPS But Were Afraid To Ask
  • How Can Social Networks Help Engineers?
  • How To Float Output Windows in DATS Acquisition V4
  • Prosig Launch YouTube Channel
  • Video: How To Calibrate Microphones & Accelerometers
  • What Can I Do About Spikes In My Data?
  • What Is Hammer Impact Testing?

News

  • 2nd Annual Prosig / Portsmouth University Prize Awarded
  • 45th UK Conference on Human Response to Vibration
  • A New Look for 2011
  • A New Partner In Condition Monitoring - VibrationDiagnostics Ltd
  • A New Partnership In Australia
  • Buzzing & Flickring: Two New Ways To Keep In Touch
  • Come & Meet Prosig At Automotive Testing
  • Come & see Prosig at Testing Expo North America 2012
  • Come and see Prosig at SAE 2013 Noise and Vibration Conference and Exhibition
  • Comparing Vibration On Bicycle Suspension
  • Cooling Down Using Sound Waves
  • Follow Prosig on Twitter & Facebook
  • GPS Selective Availability Lifted 10 Years Ago
  • Latest Version of DATS Software (V7.0.17) Released
  • Mari Aerotech To Attend Automotive Testing Expo India 2012
  • New Representation In Canada - Prosig Partner With Hoskin Scientific
  • New Version Of DATS Out Now - V7.0.22 Released
  • New Version Of DATS Software Begins Shipping To Customers
  • New version out now - DATS V7.0.19 Released
  • Noise & Vibration Blog Goes Mobile
  • Noise & Vibration Capture with GPS Tracking
  • Prosig Announce New Braking Analysis Tools
  • Prosig Awarded Contract To Upgrade Online Vibration Monitoring System At Wylfa
  • Prosig awarded ISO 9001 certification
  • Prosig Deutschland Exhibiting At SENSOR+TEST 2011
  • Prosig Fatigue Analysis Systems
  • Prosig launch new PROLOG data acquisition controller
  • Prosig Launch YouTube Channel
  • Prosig Power Units Offer New Levels Of Flexibility
  • Prosig Student Prize Awarded
  • Prosig to exhibit at Tenth International Conference on Recent Advances in Structural Dynamics (RASD)
  • Prosig's Australian Agent Will Be Exhibiting At Acoustics 2011
  • PROTOR Vibration Condition Monitoring System Installed in Three Thermal Power Plants in Spain for Iberdrola
  • See Prosig systems in action at "inter-noise 2011" in Osaka
  • Updated Protor System For Ringhals, Sweden
  • Visit Prosig at 2011 SAE Noise & Vibration Conference




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