Fundamentals of Signal Analysis.ppt

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Fundamentals of Signal Analysis

Engineering

Frequency Spectrum Examples
Time Domain Frequency Domain

Linear Amplitude Scale Logarithmic Amplitude Scale
Small signals can be measured with a logarithmic amplitude scale
Linear v/s Logarithmic Scale

Non-linear System Examples
System is linear for small
deflections
System is non-linear for
large deflections

Examples of Non-linearities
Output Clipping (saturation) of
an Electronic Amplifier
Backlash in a Gear Train

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