from Power Spectrum Estimation (non-parameteric methods) by payam masoumi
there is a simple demo for non parameteric spectral estimation methods

All files for Power Spectrum Estimation (non-parameteric methods)
/spectrum stimation/MAT files/ar_process.m
/spectrum stimation/MAT files/bartle.m
/spectrum stimation/MAT files/bt.m
/spectrum stimation/MAT files/mper.m
/spectrum stimation/MAT files/nwhite.m
/spectrum stimation/MAT files/per.m
/spectrum stimation/MAT files/pseGui.m
/spectrum stimation/MAT files/sinusoid.m
/spectrum stimation/MAT files/welch.m
/spectrum stimation/spectrum estimation.ppt

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