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CMSIS-DSP
Verison 3.0
CMSIS DSP Software Library
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Instance structure for the Q15 normalized LMS filter.
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 |
saves previous frame energy.
step size that controls filter coefficient updates.
uint16_t arm_lms_norm_instance_q15::numTaps |
Number of coefficients in the filter.
points to the coefficient array. The array is of length numTaps.
bit shift applied to coefficients.
points to the state variable array. The array is of length numTaps+blockSize-1.
Points to the reciprocal initial value table.
saves previous input sample.