Engee documentation

Digital and analogue filters

butter

The design of the Butterworth filter.

cheby1

Calculation of a type I Chebyshev filter.

cheby2

Calculation of Chebyshev filter type II.

decimate

Decimation is a decrease in the sampling rate by an integer number of times.

ellip

Calculation of an elliptical filter.

filtfilt

Zero-phase digital filtering.

fir1

Calculation of FIR filter coefficients using different windows.

fir2

Calculation of FIR filter coefficients based on frequency sampling.

fircls1

Calculation of the coefficients of a low- and high-frequency FIR filter with linear phase response using the least squares method with constraints.

firls

Calculation of the coefficients of a linear phase response FIR filter using the least squares method.

firpm

Designing an optimal FIR filter by the Parks-McClellan method.

firpmord

Estimation of the optimal FIR filter order by the Parks-McClellan method.

gaussdesign

The design of the Gaussian FIR filter for pulse generation.

interp

Interpolation is an increase in the sampling rate by an integer number of times.

intfilt

Calculation of the interpolation FIR filter.

rcosdesign

The design of the FIR pulse shaping filter with a "raised cosine" type characteristic.

scaleFilterSections

Scaling cascaded transfer functions using scale values.

zp2ss

Transformation of the zero- and pole-gain filter parameters into the form of a state space.