arm_lms_norm_instance_q15 Struct Reference

Instance structure for the Q15 normalized LMS filter. More...

#include <arm_math.h>

Data Fields
uint16_t	numTaps
q15_t *	pState
q15_t *	pCoeffs
q15_t	mu
uint8_t	postShift
q15_t *	recipTable
q15_t	energy
q15_t	x0

Detailed Description

Instance structure for the Q15 normalized LMS filter.

Definition at line 4222 of file arm_math.h.

Field Documentation

q15_t energy

saves previous frame energy.

Definition at line 4230 of file arm_math.h.

q15_t mu

step size that controls filter coefficient updates.

Definition at line 4227 of file arm_math.h.

uint16_t numTaps

Number of coefficients in the filter.

Definition at line 4224 of file arm_math.h.

q15_t* pCoeffs

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

Definition at line 4226 of file arm_math.h.

uint8_t postShift

bit shift applied to coefficients.

Definition at line 4228 of file arm_math.h.

q15_t* pState

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

Definition at line 4225 of file arm_math.h.

q15_t* recipTable

Points to the reciprocal initial value table.

Definition at line 4229 of file arm_math.h.

q15_t x0

saves previous input sample.

Definition at line 4231 of file arm_math.h.

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

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