Variable step-size normalized LMS algorithm by approximating correlation matrix of estimation error.
Hyeonwoo ChoSang Woo KimPublished in: Signal Process. (2010)
Keyphrases
- estimation error
- correlation matrix
- least mean square
- computational complexity
- cost function
- step size
- variable step size
- similarity measure
- estimation accuracy
- worst case
- convergence rate
- objective function
- np hard
- particle swarm optimization
- optimization algorithm
- simulated annealing
- monte carlo
- standard deviation
- machine learning
- wavelet transform
- computational cost
- clustering algorithm
- signal subspace
- computer vision