EngeeDSP Functions Signal generation, analysis, and preprocessing chirp demod diric gauspuls gmonopuls medfilt1 modulate pulstran rectpuls sawtooth sinc square tripuls Digital and analogue filters butter cheby1 cheby2 decimate ellip filtfilt fir1 fir2 fircls1 firls firpm firpmord gaussdesign interp intfilt rcosdesign scaleFilterSections zp2ss Mathematics coeffs conv conv2 cos fft fftshift filter ifft ifftshift interp1 pchip sin Matrices and arrays circshift Spectral analysis barthannwin bartlett blackman blackmanharris bohmanwin chebwin dpss flattopwin gausswin hamming hann kaiser nuttallwin parzenwin rectwin taylorwin triang tukeywin Data import and analysis detrend max movmad xcorr Transformations, correlation, and modeling hilbert xcorr2 pspectrum Filter development and analysis allpass2wdf designMultirateFIR Measuring and highlighting features risetime snr System objects EngeeDSP.spectrumAnalyzer