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

#include <arm_math.h>

Data Fields
q15_t	energy
	saves previous frame energy.
q15_t	mu
	step size that controls filter coefficient updates.
uint16_t	numTaps
	Number of coefficients in the filter.
q15_t *	pCoeffs
	points to the coefficient array.
uint8_t	postShift
	bit shift applied to coefficients.
q15_t *	pState
	points to the state variable array.
q15_t *	recipTable
	Points to the reciprocal initial value table.
q15_t	x0
	saves previous input sample.

Detailed Description

Instance structure for the Q15 normalized LMS filter.

Definition at line 4586 of file arm_math.h.

Field Documentation

q15_t arm_lms_norm_instance_q15::energy

saves previous frame energy.

Definition at line 4594 of file arm_math.h.

q15_t arm_lms_norm_instance_q15::mu

step size that controls filter coefficient updates.

Definition at line 4591 of file arm_math.h.

uint16_t arm_lms_norm_instance_q15::numTaps

Number of coefficients in the filter.

Definition at line 4588 of file arm_math.h.

q15_t* arm_lms_norm_instance_q15::pCoeffs

points to the coefficient array.

The array is of length numTaps.

Definition at line 4590 of file arm_math.h.

uint8_t arm_lms_norm_instance_q15::postShift

bit shift applied to coefficients.

Definition at line 4592 of file arm_math.h.

q15_t* arm_lms_norm_instance_q15::pState

points to the state variable array.

The array is of length numTaps+blockSize-1.

Definition at line 4589 of file arm_math.h.

q15_t* arm_lms_norm_instance_q15::recipTable

Points to the reciprocal initial value table.

Definition at line 4593 of file arm_math.h.

q15_t arm_lms_norm_instance_q15::x0

saves previous input sample.

Definition at line 4595 of file arm_math.h.

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