DSP applications using C and the TMS320C6X DSK (P7)

Chia sẻ: Khinh Kha Kha | Ngày: | Loại File: PDF | Số trang:23

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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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