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Auto-correlation using the convolution method |
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Auto-covariance using the convolution method |
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Complex normalized FFT |
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Auto-correlation, time domain |
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Filter a series using the average of the N neighboring points |
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Design an FIR linear phase bandpass filter using the Remez Exchange method |
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Design an FIR linear phase bandstop filter using the Remez Exchange method |
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Design an IIR Bessel digital filter. |
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Find the power of 2 greater than or equal to the input value or length of the input series |
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Bilinear transformation with optional frequency pre-warping |
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Quantize an input series to 2^bits levels |
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Convert raw AD counts to scales engineering values |
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3 term Blackman window |
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4 term Blackman-Harris window |
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Design an IIR Butterworth digital filter. |
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Filter a series given filter coefficients in 2nd order cascade format |
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Calculate the complex cepstrum |
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Dolph-Chebyshev window |
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Design an IIR Chebyshev Type I digital filter |
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Design an IIR Chebyshev Type II digital filter |
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Circular convolution |
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Evaluate the log magnitude of Cascade form coefficients |
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Convolution |
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Two-dimensional convolution |
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Calculate the covariance matrix of an array |
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Cross-correlation, time domain |
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Calculate the Discrete Cosine Transform |
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Decimation with low pass filtering |
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Deconvolve two series |
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Remove the mean (or DC value) from a series |
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Demodulates an FM waveform using the Hilbert Transform |
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Remove a linear trend from a series |
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Digital Fourier Transform, Real/Imaginary |
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Calculate the Discrete Sine Transform |
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Calculate the number of effective bits possible at a given frequency for a quantizing device |
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Design an IIR Elliptic digital filter |
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Pad the ends of a series with endpoint reflections |
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Auto-correlation using the FFT method |
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Auto-covariance using the FFT method |
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Return the prime factors of a scalar |
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Circular convolution using the FFT method |
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Convolution using the FFT method |
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Deconvolve two series using the FFT method |
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Calculates the derivative in the frequency domain |
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Fast Fourier Transform, Real/Imaginary |
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Fast Fourier Transform, Magnitude/Phase |
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Shift a 1D or 2D FFT so the 0 frequency is the midpoint |
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Evaluate a Linear Constant Coefficient Difference Equation |
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Calculates integration in the frequency domain |
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Design an arbitrary FIR filter using frequency sampling |
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Flattop window |
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Alternate 4 term flattop window |
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FIR filtering with optional endpoint padding using the FFT |
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Evaluate the frequency reponse of a continuous system |
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Design a FIR filter from a given magnitude response using the frequency sampling method |
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Evaluate the frequency response of a digital system |
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Cross correlation using the FFT method |
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Cross covariance using the FFT method |
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Interpolate a series by a factor using FFT zero insertion |
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Generate an impulse series with optional spacing and delay |
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Calculate the group delay of a Z transfrom |
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Hamming window |
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Hanning window |
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Design an FIR linear phase highpass filter using the Remez Exchange method |
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Calculate a simple Hilbert transform of a real series |
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Calculate the inverse complex cepstrum |
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Calculate the Inverse Discrete Cosine Transform |
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Inverse DFT, Real/Imaginary |
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Calculate the Inverse Discrete Sine Transform |
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Inverse FFT, Real/Imaginary |
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Inverse FFT, Magnitude/Phase |
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Calculate the imaginary part of the input |
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Generate discrete unit impulse series |
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Calculate the impulse response of a Z transform |
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Calculate the analog filter coefficients from a complex frequency response |
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Calculate the digital filter coefficients from a complex frequency response |
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Kaiser window |
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Design an FIR linear phase bandpass filter using the Kaiser Window method |
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Design an FIR linear phase bandstop filter using the Kaiser Window method |
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Design an FIR linear phase highpass filter using the Kaiser Window method |
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Design an FIR linear phase lowpass filter using the Kaiser Window method |
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Linearly rescale an input series |
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Calculate Log base 2 of the input |
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Design an FIR linear phase lowpass filter using the Remez Exchange method |
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Calculate the magnitude of the input |
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Calculate the magnitude of the complex amplitude spectrum |
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Determine the exponent for the next power of 2 |
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Calculate an N point FFT by zero padding or time aliasing |
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Perform nonlinear 2d filtering with filter kernel |
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Calculate an N point spectrum by zero padding or time aliasing |
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Filter data using the overlap and save method |
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FIR filtering with optional endpoint padding |
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Calculate the phase of the input |
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Calculate the phase of the complex amplitude spectrum |
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Calculate coefficients of the characteristic polynomial |
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Stabilize a denominator polynomial by root reflection |
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Calculate the Power Spectrum |
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Calculate the Power Spectral Density |
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Quantize an input series to N levels |
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Calculate the real cepstrum |
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Calculate the real part of the input |
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Linearly rescales an input series |
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Resample an input series to an arbitrary rate |
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Find the partial fraction expansion of a rational polynomial |
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Find the partial fraction expansion of a Z transform polynomial |
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Evaluate the frequency response of a continuous system in Hertz |
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Emulate a single pole analog high pass filter |
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Calculate sin(x)/(x) |
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Emulate a single pole analog low pass filter |
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Perform nonlinear 2D Sobel edge detection |
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Calculate the 2D Spectrogram as a B&W image |
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Calculate the 2D Spectrogram as an image |
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Magnitude of a normalized FFT |
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Calculate the short time averaged RMS series |
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Taylor window |
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Calculate the state-space representation |
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Multiply a series with a spectral window |
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Cross correlation using the convolution method |
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Cross covariance using direct convolution |
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Pad the ends of a series with endpoint reflections about 0.0 |
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Evaluate the frequency response of a Z transform |
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Sinx/sin interpolation of periodic band limited waveforms |
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Design a digital filter from a set of analog (s domain) zeros and poles |
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Display a Pole-Zero plot of a Z transform |