Matlab scripts and data. Version 1.0 (Matlab: R2010b) 03-Dec-2010

Table of Contents (T0C)

congr.m - Congruent envelope and instantaneous frequency
coph.m - Congruent phase estimation
diffir.m - Remez differentiator with filtering procedure
forcevib.m - Identification of modal parameters of vibration SDOF system under forced excitation
freevib.m - Identification of modal parameters of SDOF system free vibration
hilbfft.m - Hilbert transform (based on FFT) and filtering procedure
hilbfir.m - Remez Hilbert transformer and filtering procedure
hilbturner.m - Hilbert transform via Turner filter and filtering procedure
hvd.m - Hilbert Vibration Decomposition
ilpf.m - An ideal lowpass filter and filtering
inst.m - Instantaneous characteristics (envelope and frequency) of the signal
integ.m - Signal integration procedure for vibration
lpf.m - Remez lowpass filter and filtering procedure
phaseh.m - Instantaneous phase between two signals
pl.m - Hilbert spectrum presentation of decomposed components
plfreq.m - Hilbert spectrum presentation of decomposed components with frequency arranging
plfor.m - Presentation of the Hilbert transform forced vibration identification
plfree.m - Presentation of the Hilbert transform free vibration identification
print1.m - Print Matlab figure in Portable Network Graphic 24-bit truecolor image
synchdem.m - Synchronous demodulation of a component with the known frequency from composition
tilefigs.m - Automatically tiles Matlab figures (by Charles Plum)

duffod.mat - Duffing equation forced excitation and vibration solution
duffrd.mat - Duffing equation free vibration solution
hilbTurner.mat - the coefficients for the Hilbert quadrature filters (by Clay S. Turner)




Hilbert Transform Applications in Mechanical Vibration by Michael Feldman 
© 2011, John Wiley & Sons, Ltd.