May 2010
Beginner to intermediate
264 pages
7h 26m
English
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APPENDIX BEvaluation of FIR Design ErrorMinimization
Let’s minimize the expression
Where
We start by setting the derivative of the error ξ with respect to the filter coefficients (the one parameter that we have control over and want to optimize) equal to zero:
We then use the chain rule to differentiate each part:
The derivative is now a sum of two ...