Glossary of Terms
Acceleration
Accelerometer
Algorithm
Aliasing
Alignment
AM
Amplitude
Amplitude Modulation
Analog
Analog to Digital Conversion
Analysis Parameters
Angular Frequency
Anti-Aliasing Filter
Apodize, Apodization
Asynchronous
Attachment Pad/Block
Attenuation
Auto correlation
Averaging
Axial
Background Noise
Balancing
Ball Pass Frequency
Ball Spin Frequency
Band Pass Filter
Bandwidth
Barcode
Baseline Spectrum
Bearing Tones
Beat Frequency
Bin
Bit
Blade Pass Frequency
Block
Bode Plot
Bow
BPI, BPFI
BPO, BPFO
BS, BSF
Brinnelling
Broad band
Buffer
Bump Test, Impact Test
Calibration
Carrier Frequency
Cavitation
Center of Gravity
Centrifugal Force
Centripetal Force
Cepstrum
Charge Amplifier
Cluster
Coherence
Correction Weight
Coulomb Damping
Couple Imbalance
Crest Factor
Critical Damping
Critical Speed
Cross Correlation
Cycle
Damped Natural Frequency
Damping
dB
Decibel
Degree of Freedom
Demodulate, Demodulation
Detector
Deterministic
Differentiation
Digital
Discrete
Discrete Fourier Transform
Displacement
Displacement Transducer
Distortion
Domain
Dynamic Imbalance
Dynamic Range
Eccentricity
Eddy Current
Eddy Current Probe
Engineering Units, EU
EU
Excitation
Expert System
Fast Fourier Transform (FFT)
Fatigue
Fault Frequency
FEM
FFT
FFT Analyzer
Filter
Flattop Window
Fluid-Film Bearing
Forced Vibration
Forcing Frequencies
Foundation
Fourier, Jean Baptiste
Fourier Transform
Fourier Analysis
Free Running
Free Vibration
Frequency
Frequency Domain
Frequency Response
FT, FTF
Fundamental Frequency
Fundamental Train Frequency
G
Gear-Mesh Frequency
Ghost Frequency
GPIB
Ground Loop
Hanning Window
Hamming Window
Harmonics
Hertz
High-Pass Filter
HTF
Hunting Tooth
Hysteresis
Hz
ICP Accelerometer
Imbalance
Impact Test
Impedance, mechanical
Inertia
Integration
Integrator
Isolation
Jerk
Keyphasor
Kurtosis
Leakage
Level
Line Spectrum
Linear, Linearity
Low Pass Filter
Magnetostriction
Mask
Mechanical Impedance
Micrometer
MIL-STD-167-1
Mils
Mobility
Modal Analysis
Mode of Vibration
Mode Shape
Modulation
Narrow band Analysis
Natural Frequency
Node
Noise
Noise Floor
Non-Linear
Non-Linear Damping
Normal Mode of Vibration
Normalization
Nyquist frequency
Nyquist Plot
Octave
Oil Whip
Oil Whirl
Orbit
Orders
Order Analysis
Orthogonal
Oscillation
Overall Level
Overlap Processing
Peak
Peak-to-Peak (Pk-Pk) Value
Pendulum
Period
Periodic
Phase
Phase Angle
Phase Shift
Phasor
Picket Fence Effect
Pickup
Piezo-electric
Piezo-electric Transducer
Pink Noise
Power Factor
Power Spectral Density
Preload
Pressure Waves
Prime Mover
Principal Inertia Axis
Proximity Probe
PSD
Q
Quasi-Periodic
Radial
Radian
Random
Rectangular Window
Resolution Bias Error
Resonance
Resonant Frequency
Response Spectrum
Rigid Rotor
RMS
Roll Off, Rolloff
Running Speed
Runout
Scalar
Seismic
Selectivity
Sensitivity
Shock
Shock Pulse Meter
Shorting Ring
SI
Sidebands
Signal
Signal Conditioning
Signature
Single Degree of Freedom
Simple Harmonic Motion
Sine Wave
Sinusoid
Ski Slope
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