DSP applications using C and the TMS320C6X DSK (P7)

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DSP applications using C and the TMS320C6X DSK (P7)

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Adaptive Filters • • • Adaptive structures The least mean squares (LMS) algorithm Programming examples for noise cancellation and system identification using C code Adaptive filters are best used in cases where signal conditions or system parameters are slowly changing and the filter is to be adjusted to compensate for this change. The least mean squares (LMS) criterion is a search algorithm that can be used to provide the strategy for adjusting the filter coefficients. Programming examples are included to give a basic intuitive understanding of adaptive filters. 7.1 INTRODUCTION In conventional FIR and IIR digital filters, it is assumed that the process parameters...

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