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Parametrizations in Control, Estimation and Filtering Problems: Accuracy Aspects (Paperback, Softcover reprint of the original 1st ed. 1993)
Loot Price: R2,817
Discovery Miles 28 170
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Parametrizations in Control, Estimation and Filtering Problems: Accuracy Aspects (Paperback, Softcover reprint of the original 1st ed. 1993)
Series: Communications and Control Engineering
Expected to ship within 10 - 15 working days
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This book is all about finite wordlength errors in digital filters,
con trollers and estimators, and how to minimize the deleterious
effects of these errors on the performance of these devices. This
does by no means imply that all about finite wordlength errors in
filters, controllers and estimators is to be found in this book. We
first ventured into the world of finite wordlength effects in 1987
when Gang Li began his PhD thesis in this area. Our more
experienced readers might well say 'This shows', but we believe
that the extent of our new contributions largely offsets our
relative inexperience about the subject that might surface here and
there in the book. Our naive view on the subject of finite
wordlength errors in 1987 could probably be summarized as follows:
* numerical errors due to finite wordlength encoding and roundoff
are something that one has to live with, and there is probably not
much that can be done about them except to increase the wordlength
by improvements on the hardware; * these errors are as old as
finite arithmetic and numerical analysis and they must therefore be
well understood by now; * thus, if something can be done to
minimize their effects, it must have been analysed and put into
practice a long time ago. It is almost fair to say that we were
wrong on all counts.
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