English
资源说明：The concepts of digital signal processing are playing an increasingly
important role in the area of multirate signal processing, i s .
signal processing algorithms that involve more than one sampling rate.
In this paper we present a tutorial overview of multirate digital signal
processing as applied to systems for decimation and interpolation. We
fmt discuss a theoretical model for such systems (based on the sampling
theorem) and then show how various structures can be derived to provide
efficient implementations of these systems. Design techniques for
the linear-time-invariant components of these systems (the digital fdter)
are discussed, and finally the ideas behind multistage implementations
for increased efficiency are presented
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