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Lp IIR filter optimization
1X2 vector of the module and argument of the poles and the zeros of the filters
'a'for amplitude, 'gd' for group delay; default case for amplitude and group delay.
frequencies where the filter specifications are given
weighting functions for the amplitude and the group delay
1-lambda) of the costs (
'gd'for getting the global cost.
- ad, td
desired amplitude and group delay
- cost, grad
criterium and gradient values
optimization of IIR filters for the Lp criterium for the amplitude and/or the group delay. (Rabiner & Gold pp270-273).
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