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Why Sinusoids?
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MUMT 307: Week #10
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MUMT 307: Week #10
Spectral Analysis
Subsections
Why Sinusoids?
A Discrete-Time Sinusoidal Signal
Sinusoidal “Dot-Products”
Fixing the Phase Problem
Complex Exponentials and “Orthogonality”
The DFT
The Heterodyning Interpretation
Center Frequencies: Parabolic Interpolation
Spectral Peak Q Factors
Spectral Resolution and Zero-Padding
Windowing
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