Title :
Improved method for optimum choice of free parameter in orthogonal approximations
Author :
Tanguy, N. ; Morvan, R. ; Vilbé, P. ; Calvez, L.C.
Author_Institution :
Lab. d´´Electron. et Syst. de Telecommun., Univ. de Bretagne Occidentale, Brest, France
fDate :
9/1/1999 12:00:00 AM
Abstract :
We report on our investigations to choose a free parameter to minimize the error energy when approximating a given signal with orthogonal basis functions. This method requires limited knowledge of the signal to be approximated and has a low computational cost
Keywords :
function approximation; optimisation; parameter estimation; signal processing; causal signal; error energy minimisation; free parameter; low computational cost; optimum choice; orthogonal approximations; orthogonal basis functions; signal approximation; Computational efficiency; Equations; Filters; Finite wordlength effects; Parameter estimation; Polynomials; Reduced order systems; Upper bound;
Journal_Title :
Signal Processing, IEEE Transactions on
