Ignition Math

API Reference

6.8.0
OnePole< T > Class Template Reference

A one-pole DSP filter. More...

#include <ignition/math/Filter.hh>

Public Member Functions

 OnePole ()=default
 Constructor. More...
 
 OnePole (double _fc, double _fs)
 Constructor. More...
 
virtual void Fc (double _fc, double _fs) override
 Set the cutoff frequency and sample rate. More...
 
const T & Process (const T &_x)
 Update the filter's output. More...
 
- Public Member Functions inherited from Filter< T >
virtual ~Filter ()
 Destructor. More...
 
virtual void Set (const T &_val)
 Set the output of the filter. More...
 
virtual const T & Value () const
 Get the output of the filter. More...
 

Protected Attributes

double a0 = 0
 Input gain control. More...
 
double b1 = 0
 Gain of the feedback. More...
 
- Protected Attributes inherited from Filter< T >
y0 {}
 Output. More...
 

Detailed Description

template<class T>
class ignition::math::OnePole< T >

A one-pole DSP filter.

See also
http://www.earlevel.com/main/2012/12/15/a-one-pole-filter/

Constructor & Destructor Documentation

◆ OnePole() [1/2]

OnePole ( )
default

Constructor.

◆ OnePole() [2/2]

OnePole ( double  _fc,
double  _fs 
)
inline

Constructor.

Parameters
[in]_fcCutoff frequency.
[in]_fsSample rate.

Member Function Documentation

◆ Fc()

virtual void Fc ( double  _fc,
double  _fs 
)
inlineoverridevirtual

Set the cutoff frequency and sample rate.

Parameters
[in]_fcCutoff frequency.
[in]_fsSample rate.

Implements Filter< T >.

◆ Process()

const T& Process ( const T &  _x)
inline

Update the filter's output.

Parameters
[in]_xInput value.
Returns
The filter's current output.

Member Data Documentation

◆ a0

double a0 = 0
protected

Input gain control.

◆ b1

double b1 = 0
protected

Gain of the feedback.


The documentation for this class was generated from the following file: