Auto-correlation using the convolution method | |

Auto-covariance using the convolution method | |

Add a constant phase to a series | |

Complex normalized FFT | |

Auto-correlation, time domain | |

Filter a series using the average of the N neighboring points | |

Design an FIR linear phase band pass filter using the Remez Exchange method | |

Design an FIR linear phase band stop filter using the Remez Exchange method | |

Design an IIR Bessel digital filter. | |

Find the power of 2 greater than or equal to the input value or length of the input series | |

Bilinear transformation with optional frequency pre-warping | |

Quantize an input series to 2^bits levels | |

Convert raw AD counts to scales engineering values | |

3 term Blackman window | |

4 term Blackman-Harris window | |

Design an IIR Butterworth digital filter. | |

Convert cascade filter coefficients to second order section form | |

Convert cascade filter coefficients to direct form | |

Convert cascade filter coefficients to zeros, poles and gain | |

Filter a series with filter coefficients in 2nd order cascade form | |

Calculate the complex cepstrum | |

Dolph-Chebyshev window | |

Design an IIR Chebyshev Type I digital filter | |

Design an IIR Chebyshev Type II digital filter | |

Circular convolution | |

Evaluate the log magnitude of cascade form filter coefficients | |

Convolution | |

2D convolution | |

Calculate the covariance matrix of an array | |

Evaluate the phase of cascade form filter coefficients | |

Cross-correlation, time domain | |

Calculate the Discrete Cosine Transform | |

Decimation with low pass filtering | |

Remove samples by a factor of n | |

De-convolve two series | |

Remove the mean (or DC value) from a series | |

Demodulate an AM series using low pass filtering | |

Demodulate an FM series using the Hilbert Transform | |

Remove a linear trend from a series | |

Digital Fourier Transform, Real/Imaginary | |

Delete every Nth sample for FIR decimation | |

Calculate the Discrete Sine Transform | |

Calculate the number of effective bits possible at a given frequency for a quantizing device | |

Design an IIR Elliptic digital filter | |

Pad the ends of a series with endpoint reflections | |

Auto-correlation using the FFT method | |

Auto-covariance using the FFT method | |

Return the prime factors of a scalar | |

Circular convolution using the FFT method | |

Convolution using the FFT method | |

De-convolve two series using the FFT method | |

Calculate the series derivative in the frequency domain | |

Fast Fourier Transform, Real/Imaginary | |

2D FFT | |

Fast Fourier Transform, Magnitude/Phase | |

2D FFT, Magnitude/Phase | |

Shift a 1D or 2D FFT so the 0 frequency is the midpoint | |

Evaluate a Linear Constant Coefficient Difference Equation | |

Calculate series integration in the frequency domain | |

Design an arbitrary FIR filter using frequency sampling | |

Flattop window | |

Alternate 4 term flattop window | |

FIR filtering with optional endpoint padding using the FFT | |

Evaluate the frequency response of a continuous system | |

Design a FIR filter from a given magnitude response using the frequency sampling method | |

Evaluate the frequency response of a digital system | |

Cross correlation using the FFT method | |

Cross covariance using the FFT method | |

Interpolate a series by a factor using FFT zero insertion | |

Generate an impulse series with optional spacing and delay | |

Calculate the group delay of a Z-transform | |

Hamming window | |

Hanning window | |

Design an FIR linear phase high pass filter using the Remez Exchange method | |

Calculate a simple Hilbert transform of a real series | |

Calculate the inverse complex cepstrum | |

Calculate the Inverse Discrete Cosine Transform | |

2D IDCT | |

Inverse DFT, Real/Imaginary | |

Calculate the Inverse Discrete Sine Transform | |

Inverse FFT, Real/Imaginary | |

2D IFFT, Real/Imaginary | |

Inverse FFT, Magnitude/Phase | |

2D IFFT, Magnitude/{hase | |

Unshift a 1D or 2D FFT so the 0 frequency is the first point | |

Calculate the imaginary part of the input | |

Calculate the impulse response of a Laplace transform | |

Generate discrete unit impulse series | |

Calculate the impulse response of a Z-transform | |

Calculate the analog filter coefficients from a complex frequency response | |

Calculate the digital filter coefficients from a complex frequency response | |

Construct a time series from a PSD | |

Kaiser window | |

Design an FIR linear phase band pass filter using the Kaiser Window method | |

Design an FIR linear phase band stop filter using the Kaiser Window method | |

Design an FIR linear phase high pass filter using the Kaiser Window method | |

Design an FIR linear phase low pass filter using the Kaiser Window method | |

Linearly rescale an input series | |

Calculate Log base 2 of the input | |

Design an FIR linear phase low pass filter using the Remez Exchange method | |

Calculate the magnitude of the input | |

Calculate the magnitude of the complex amplitude spectrum | |

Amplitude modulate an input series | |

Frequency modulate an input series | |

Determine the exponent for the next power of 2 | |

Calculate an N point FFT by zero padding or time aliasing | |

Calculate an N point spectrum by zero padding or time aliasing | |

Filter data using the overlap and save method | |

FIR filtering with optional endpoint padding | |

Calculate the phase of the input | |

Calculate the phase difference between two sinusoids | |

Calculate the phase of the complex amplitude spectrum | |

Calculate coefficients of the characteristic polynomial | |

Stabilize a denominator polynomial by root reflection | |

Calculate the Power Spectrum | |

Calculate the Power Spectral Density | |

Quantize an input series to N levels | |

Calculate the real cepstrum | |

Calculate the real part of the input | |

Indicate if a polynomial has multiple roots | |

Linearly rescale an input series | |

Resample an input series to an arbitrary rate | |

Find the partial fraction expansion of a rational polynomial | |

Find the partial fraction expansion of a Z-transform polynomial | |

Evaluate the frequency response of a continuous system in Hertz | |

Generate Savitzky-Golay smoothing filter coefficients | |

Filter a series with a Savitzky-Golay smoothing filter | |

Emulate a single pole analog high pass filter | |

Calculate sin(x)/(x) | |

Emulate a single pole analog low pass filter | |

Calculate the 2D Spectrogram as a B&W image | |

Convert second order section form coefficients to cascade form | |

Convert second order section form coefficients to direct form | |

Convert second order section form coefficients to zeros, poles and gain | |

Filter a series with filter coefficients in second order section form | |

Calculate the 2D Spectrogram as an image | |

Magnitude of a normalized FFT | |

Display a Pole-Zero plot of an S-transform | |

Calculate the short time averaged RMS series | |

Calculate the step response of a Z-transform | |

Taylor window | |

Convert direct from coefficients to cascade form | |

Convert direct form coefficients to second order section form | |

Calculate the state-space representation | |

Convert S plane transfer function form to zeros, poles and gain | |

Convert Z plane transfer function form to zeros, poles and gain | |

Unwrap phase by adding increments of 2 | |

Insert N zeros between samples for FIR interpolation | |

Multiply a series with a spectral window | |

Cross correlation using the convolution method | |

Cross covariance using direct convolution | |

Band pass filtering by FFT zeroing | |

Band stop filtering by FFT zeroing | |

Pad the ends of a series with endpoint reflections about 0.0 | |

Evaluate the frequency response of a Z-transform | |

High pass filtering by FFT zeroing | |

Sinx/sin interpolation of periodic band limited series | |

Low pass filtering by FFT zeroing | |

Convert poles, zeros and gain to cascade coefficient form | |

Convert poles, zeros and gain to second order section form | |

Convert poles, zeros and gain to transfer function form | |

Design a digital filter from a set of analog (s domain) zeros and poles | |

Display a Pole-Zero plot of a Z-transform |