Functions
ac2polyac2rcarburgarcovarmcovaryulebandpowerbitrevorderccepscconvconvmtxcorrcoefcorrmtxcovcplxpairctf2zpcummaxcummincztdctdeconvdesignHighpassIIRdesignNotchPeakIIRdftmtxdigitrevorderdtwdutycycleedremdenbwenvelopeeqtflengthfalltimefft2fillgapsfilternormfinddelayfindsignalfirclsfreqzfzerogen_freqzgen_phasezgrpdelayhighpassidctifft2impzimpzlengthinstbwinstfreqinvfreqsisallpassislinphaseismaxphaseisminphaseisstableistftlevinsonlowpasslpclsf2polymeanfreqmedfreqmidcrossmovmedianobwovershootpeak2peakpeak2rmsphasedelayphasezpoly2acpoly2lsfpoly2rcpowerbwpronypulseperiodpulseseppulsewidthrc2acrc2isrc2larrc2polyrcepsrlevinsonrmsrot90rssqsettlingtimesfdrsgolayshiftdatasinadslewratesmoothdatasos2cellsos2ctfsos2tfsos2zpsosfiltspectralCrestspectralEntropyspectralFlatnessspectralKurtosisspectralSkewnessspectrogramspliness2sosss2tfstatelevelsstdstfttf2latctf2sostf2sstf2zptf2zpktoiundershootunshiftdataupfirdnvarvmdwindowxcovyulewalkzerophasezp2ctfzp2soszp2tfgetSpectrumData