#include <Filters/IIRFilter.hpp>
Detailed Description
class IIRFilter< NB, NA, T >
Generic Infinite Impulse Response filter class.
Uses the NormalizingIIRFilter implementation for floating point types, and NonNormalizingIIRFilter for all other types.
Implements the following difference equation using the Direct-Form 1 implementation:
\[ y[n] = \frac{1}{a_0} \left(\sum_{i=0}^{N_b-1} b_i \cdot x[n-i] - \sum_{i=1}^{N_a-1} a_i \cdot y[n-i] \right) \]
Definition at line 236 of file IIRFilter.hpp.
Inheritance diagram for IIRFilter< NB, NA, T >: Collaboration diagram for IIRFilter< NB, NA, T >:Public Member Functions | |
| IIRFilter (const AH::Array< T, NB > &b_coefficients, const AH::Array< T, NA > &a_coefficients) | |
| Construct a new IIR Filter object. More... | |
| IIRFilter (const TransferFunction< NB, NA, T > &tf) | |
| T | operator() (T input) |
| Update the internal state with the new input \( x[n] \) and return the new output \( y[n] \). More... | |
Constructor & Destructor Documentation
◆ IIRFilter() [1/2]
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inline |
Construct a new IIR Filter object.
The coefficients \( b \) and \( a \) can be derived from the transfer function:
\[ H(z) = \frac{b_0 + b_1 z^{-1} + \ldots + b_{N_b} z ^{-N_b}} {a_0 + a_1 z^{-1} + \ldots + a_{N_b} z ^{-N_a}} \]
- Parameters
-
b_coefficients The coefficients of the transfer function numerator. a_coefficients The coefficients of the transfer function denominator.
Definition at line 254 of file IIRFilter.hpp.
◆ IIRFilter() [2/2]
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inline |
Definition at line 258 of file IIRFilter.hpp.
Member Function Documentation
◆ operator()()
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inline |
Update the internal state with the new input \( x[n] \) and return the new output \( y[n] \).
- Parameters
-
input The new input \( x[n] \).
- Returns
- The new output \( y[n] \).
Definition at line 269 of file IIRFilter.hpp.
The documentation for this class was generated from the following file:
