CMSIS DSP library

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arm_lms_instance_q31 Struct Reference

arm_lms_instance_q31 Struct Reference

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

#include <arm_math.h>

Data Fields

uint16_t numTaps
 number of coefficients in the filter.
q31_t * pState
 points to the state variable array.
q31_t * pCoeffs
 points to the coefficient array.
q31_t mu
 step size that controls filter coefficient updates.
uint32_t postShift
 bit shift applied to coefficients.

Detailed Description

Instance structure for the Q31 LMS filter.

Definition at line 4100 of file arm_math.h.


Field Documentation

q31_t mu

step size that controls filter coefficient updates.

Definition at line 4105 of file arm_math.h.

uint16_t numTaps

number of coefficients in the filter.

Definition at line 4102 of file arm_math.h.

q31_t* pCoeffs

points to the coefficient array.

The array is of length numTaps.

Definition at line 4104 of file arm_math.h.

uint32_t postShift

bit shift applied to coefficients.

Definition at line 4106 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 4103 of file arm_math.h.