AmplitudeResponse

Option Digital Filters

Calculates the amplitude response from the filter coefficients.

CFCFilter

Option Digital Filters

Filters a data set using a CFC filter. CFC is short for Channel Frequency Class.

DCRemovalFilter

Basic, Professional, Developer Suite

Removes the DC offset (DC bias) with the help of a digital (recursive) high-pass filter.

Filter

Basic, Professional, Developer Suite

Filters a data set with a Finite Impulse Response (FIR) or an Infinite Impulse Response (IIR) filter.

FIRFilterEquiripple

Option Digital Filters

Calculates the impulse response of an FIR band filter using the equiripple algorithm.

FIRFilterWindow

Option Digital Filters

Calculates an FIR filter's impulse response using windowing.

GaussianFilter

Option Digital Filters

Filters a signal with a Gaussian filter. Typically used for smoothing and as a filter for measuring and analyzing roundness.

GroupDelay

Option Digital Filters

Calculates the group delay from the filter coefficients.

HarmonicRemovalFilter

Option Order Tracking

Removes harmonic components from time signals (harmonic removal). To do this, the data is converted from the time domain to the revolution domain, where cycle averaging and subtraction provides the desired harmonic removal.

IIRFilter

Basic, Professional, Developer Suite

Calculates the numerator and denominator coefficients or the poles and zeros of an infinite impulse response filter (IIR filter).

IIRNotchFilter

Option Digital Filters

Calculates the numerator and denominator coefficients of a second-order IIR notch filter that can be used to filter out frequencies within a narrow frequency range (narrow-band notch filter).

IIRPeakFilter

Option

Calculates the numerator and denominator coefficients of a second-order IIR peak filter (also called a resonant filter) that can be used to block out frequencies outside a narrow frequency range (narrow-band bandpass filter).

LoessFilter

Option Digital Filters

Filters a data set with a Loess smoothing filter (locally weighted regression scatter plot smoothing).

LowessFilter

Option Digital Filters

Filters a data set with a Lowess smoothing filter (locally weighted regression scatter plot smoothing).

PhaseResponse

Option Digital Filters

Calculates the phase response from the filter coefficients.

SavitzkyGolayDerivative

Basic, Professional, Developer Suite

Calculates the derivative of a data set with a Savitzky-Golay smoothing filter (least squares derivative). Effective method for determining the smoothed derivative of a noisy data set.

SavitzkyGolayFilter

Option Digital Filters

Filters the data set with a Savitzky-Golay smoothing filter (also known as Least-Squares Smoothing).

Smooth

Basic, Professional, Developer Suite

Smoothes a data set by calculating a floating mean value.

VibrationFrequencyWeighting

Option Human Body Vibrations

Filters an acceleration signal with a band-limited weighting filter for analyzing whole-body and hand-transmitted vibrations.