arm_lms_norm_instance_q31 Struct Reference

Instance structure for the Q31 normalized LMS filter. More...

#include <arm_math.h>

Data Fields
uint16_t	numTaps
q31_t *	pState
q31_t *	pCoeffs
q31_t	mu
uint8_t	postShift
q31_t *	recipTable
q31_t	energy
q31_t	x0

Detailed Description

Instance structure for the Q31 normalized LMS filter.

Definition at line 4168 of file arm_math.h.

Field Documentation

q31_t energy

saves previous frame energy.

Definition at line 4176 of file arm_math.h.

q31_t mu

step size that controls filter coefficient updates.

Definition at line 4173 of file arm_math.h.

uint16_t numTaps

number of coefficients in the filter.

Definition at line 4170 of file arm_math.h.

q31_t* pCoeffs

points to the coefficient array. The array is of length numTaps.

Definition at line 4172 of file arm_math.h.

uint8_t postShift

bit shift applied to coefficients.

Definition at line 4174 of file arm_math.h.

q31_t* pState

points to the state variable array. The array is of length numTaps+blockSize-1.

Definition at line 4171 of file arm_math.h.

q31_t* recipTable

points to the reciprocal initial value table.

Definition at line 4175 of file arm_math.h.

q31_t x0

saves previous input sample.

Definition at line 4177 of file arm_math.h.

---

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

• C:/Users/Torsten/Documents/Eclipse_WS2/STM32F769IDiscovery/CMSIS/core/arm_math.h