Estimates frequency response and noise spectrum from data with 
fixed resolution using spectral analysis

Provides functions for constructing mathematical models of dynamical systems from measured input-output data.

Suraj Yerramilli

sysid

System Identification in R

Arun Tangirala

spa function

<dl><dt>x</dt>
<dd>an <code>idframe</code> object</dd>
<dt>winsize</dt>
<dd>lag size of the Hanning window (Default: <code>min
(length(x)/10,30)</code>)</dd>
<dt>freq</dt>
<dd>frequency points at which the response is evaluated
(Default: <code>seq(1,128)/128*pi/Ts</code>)</dd></dl>

Arguments

Estimate frequency response — spa

<dl>

<dt>x</dt>
<dd>an <code>idframe</code> object</dd>


<dt>winsize</dt>
<dd>lag size of the Hanning window (Default: <code>min
(length(x)/10,30)</code>)</dd>


<dt>freq</dt>
<dd>frequency points at which the response is evaluated
(Default: <code>seq(1,128)/128*pi/Ts</code>)</dd>

</dl>

spa: Estimate frequency response

Description

Usage

Value

Arguments

References

Examples