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% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/idframe.R
\name{idfrd}
\alias{idfrd}
\title{S3 class constructor for storing frequency response data}
\usage{
idfrd(response, freq, Ts, specdata)
}
\arguments{
\item{response}{frequency response data. For SISO systems, supply a
vector of frequency response values. For MIMO systems with Ny
outputs and Nu inputs, supply an array of size c(Ny,Nu,Nw).}
\item{freq}{frequency points of the response}
\item{Ts}{sampling time of data}
\item{spec}{power spectra and cross spectra of the system
output disturbances (noise). Supply an array of size (Ny,Ny,Nw)}
}
\value{
an idfrd object
}
\description{
S3 class constructor for storing frequency response data
}
\seealso{
\code{\link{plot.idfrd}} for generating bode plots,
\code{\link{spa}} and \code{\link{etfe}} for estimating the
frequency response given input/output data
}
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