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Autopilot configuration reference: Difference between revisions
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Autopilot configuration reference (view source)
Revision as of 13:52, 21 November 2023
, 21 November 2023→First order low pass filter <exponential>
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=== First order low pass filter <exponential> === | === First order low pass filter <exponential> === | ||
The exponential filter is a typical [http://en.wikipedia.org/wiki/Low-pass_filter low pass filter]. The magic Euler number and the associated mathematical function exp() plays a major role here. As the name implies, lower frequencies can pass this filter while higher frequencies are cut. The frequency where only half of the input signal reaches the output is called cutoff frequency. This cutoff frequency is defined by the parameter <syntaxhighlight lang="xml" inline><filter-time></syntaxhighlight> and resolves as cutoff-frequency = 1/(2*pi*cutoff-frequency). | The exponential filter is a typical [http://en.wikipedia.org/wiki/Low-pass_filter low pass filter]. The magic Euler number and the associated mathematical function exp() plays a major role here. As the name implies, lower frequencies can pass this filter while higher frequencies are cut. The frequency where only half of the input signal reaches the output is called cutoff frequency. This cutoff frequency is defined by the parameter <syntaxhighlight lang="xml" inline><filter-time></syntaxhighlight> and resolves as cutoff-frequency = 1/(2*pi*cutoff-frequency). | ||
The <code><filter-time></code> also supports <code><property></code> and <code><expression></code>s to make the filter time variable. | |||
Example: a 1Hz first order low pass filter | Example: a 1Hz first order low pass filter | ||
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</filter> | </filter> | ||
</syntaxhighlight> | </syntaxhighlight> | ||
=== Second order low pass filter <double-exponential> === | === Second order low pass filter <double-exponential> === | ||