Title :
Robust approximation of time series with Walsh functions
Author :
Dai, Hang ; Sinha, N.K.
Author_Institution :
Dept. of Electr. & Comput. Eng., McMaster Univ., Hamilton, Ont., Canada
fDate :
4/13/1989 12:00:00 AM
Abstract :
A robust method is proposed to estimate the expansion coefficients of Walsh functions for a contaminated time function f(t). Compared with the traditional method, the robustness of coefficient estimates is confirmed by a simulation example.
Keywords :
Walsh functions; estimation theory; time series; Walsh functions; approximation; coefficient estimates; contaminated time function; expansion coefficients; parameter identification; robust method; signal processing; time series;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19890361
