Adaptive Phase-Distortionless Magnitude Response Equalization (MRE) for beamforming applications

摘要

The time domain impulse response filter may be used to equalize signals in the time domain to avoid errors and artifacts introduced by domain transforms such as IFFTs. The disclosed time domain impulse response filter is based on the magnitude response of the individual signals. The magnitude responses of each signal may be used in the frequency domain or in other techniques, such as auto-regression analysis and mathematical signal approximation algorithms, Can be calculated as approximations. The type filter can then equalize the input sensor signals in its original time domain form using the calculated filter based on the processed signals.