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Blind Identification of IIR Model Based on Output Over-Sampling
Hajime KAGIWADA Lianming SUN Akira SANO Wenjiang LIU
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/11/25
Print ISSN: 0916-8508
Type of Manuscript: PAPER
Category: Digital Signal Processing
blind identification, channel identification, over-sampling, consistency, recursive algorithm,
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A new identification algorithm based on output over-sampling scheme is proposed for a IIR model whose input signal can not be available directly. By using only an output signal sampled at higher rate than unknown input, parameters of the IIR model can be identified. It is clarified that the consistency of the obtained parameter estimates is assured under some specified conditions. Further an efficient recursive algorithm for blind parameter estimation is also given for practical applications. Simulation results demonstrate its effectiveness in both system and channel identification.