CMSIS-DSP: arm_lms_norm_instance_f32 Struct Reference

| CMSIS-DSP Version 1.5.2 CMSIS DSP Software Library

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arm_lms_norm_instance_f32 Struct Reference

Instance structure for the floating-point normalized LMS filter. More...

## Data Fields
uint16_t | numTaps
float32_t * | pState
float32_t * | pCoeffs
float32_t | mu
float32_t | energy
float32_t | x0

## Description

Examples:
  arm_signal_converge_example_f32.c.

## Field Documentation

float32_t arm_lms_norm_instance_f32::energy

saves previous frame energy.

Referenced by arm_lms_norm_f32(), and arm_lms_norm_init_f32().

float32_t arm_lms_norm_instance_f32::mu

step size that control filter coefficient updates.

Referenced by arm_lms_norm_f32(), and arm_lms_norm_init_f32().

uint16_t arm_lms_norm_instance_f32::numTaps

number of coefficients in the filter.

Referenced by arm_lms_norm_f32(), and arm_lms_norm_init_f32().

float32_t* arm_lms_norm_instance_f32::pCoeffs

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

Referenced by arm_lms_norm_f32(), and arm_lms_norm_init_f32().

float32_t* arm_lms_norm_instance_f32::pState

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

Referenced by arm_lms_norm_f32(), and arm_lms_norm_init_f32().

float32_t arm_lms_norm_instance_f32::x0

saves previous input sample.

Referenced by arm_lms_norm_f32(), and arm_lms_norm_init_f32().