zp2tf: Zero-pole-gain to transfer function

In gjmvanboxtel/gsignal: Signal Processing

Zero-pole-gain to transfer function

Description

Convert digital filter zero-pole-gain data to transfer function form

Usage

zp2tf(z, p, g = 1)

Arguments

z	complex vector of the zeros of the model
p	complex vector of the poles of the model
g	overall gain. Default: 1.

Value

A list of class "Arma" with the following list elements:

b

moving average (MA) polynomial coefficients

a

autoregressive (AR) polynomial coefficients

Author(s)

Geert van Boxtel, [e-mail]

See Also

as.Arma, filter

Examples

g <- 1
z <- c(0, 0)
p <- pracma::roots(c(1, 0.01, 1))
ba <- zp2tf(z, p, g)

gjmvanboxtel/gsignal documentation built on Nov. 22, 2023, 8:19 p.m.