Random Testing

March 5, 2018

Course Information

Categories: Vibration Testing Theory

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Introducing the PSD

Power Spectral Density

What the Three Words Mean

Generating a PSD

Converting Recorded Data

What is the PSD?

How the PSD is Computed

The FFT and Digital Sampling

Aliasing

Windowing

Frequency Resolution

Averaging

Statistics & Probabilities

Statistics & Probabilities Intro

Mean Value

Mean Square

Variance

Standard Deviation

Skewness

Kurtosis

Probability Distributions Intro

Normal (Gaussian) Distribution

Central Limit Theorem

Confidence Intervals

Chi-Squared Distribution

Regression Analysis and Least Squares

Rayleigh Distribution

Log-Normal Distribution

Signal/Control

Signal Averaging Dangers

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