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 downsample ellip filtfilt fir1 fir2 fircls fircls1 firls firpm firpmord gaussdesign interp intfilt rcosdesign resample scaleFilterSections upsample zp2ss Mathematics abs angle coeffs conv conv2 cos fft fft2 fftshift filter ifft ifft2 ifftshift interp1 pchip sin spline 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 cummax cummin detrend max mean median min movmad std var xcorr Transformations, correlation, and modeling bitrevorder cceps cconv dct dftmtx digitrevorder envelope hilbert idct istft pspectrum rceps stft vmd xcorr2 Filter development and analysis allpass2wdf designMultirateFIR designNotchPeakIIR Measuring and highlighting features alignsignals cusum dtw edr finddelay findpeaks findsignal instbw instfreq peak2rms powerbw pulsewidth risetime rssq settlingtime slewrate snr spectralCrest spectralEntropy spectralFlatness spectralKurtosis spectralSkewness System objects EngeeDSP.NotchPeakFilter EngeeDSP.spectrumAnalyzer EngeeDSP.gpsWaveformGenerator