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Spectral Flipping Around Signal Center Frequency
Most of us are familiar with the process of flipping the spectrum (spectral inversion) of a real signal by multiplying that signal's time samples by (-1)n. In that process the center of spectral rotat...
posted by Rick Lyons on Nov 7 2007 under Tips and Tricks | Multirate DSP Comments (4) |
Do Multirate Systems Have Transfer Functions?
The following text describes why I ask the strange question in the title of this blog. Some months ago I was asked to review a article manuscript, for possible publication in a signal processing jou...
posted by Rick Lyons on May 30 2011 under Multirate DSP Comments (2) |
Design study: 1:64 interpolating pulse shaping FIR
This article is the documentation to a code snippet that originated from a discussion on comp.dsp. The task is to design a root-raised cosine filter with a rolloff of a=0.15 that interpolates to 64x... 
posted by Markus Nentwig on Dec 26 2011 under Matlab | Basics | Multirate DSP Comments (4) |
Discrete Wavelet Transform Filter Bank Implementation (part 1)
UPDATE: Added graphs and code to explain the frequency division of the branches The focus of this article is to briefly explain an implementation of this transform and several filter bank forms. Th... 
posted by David Valencia on Oct 27 2010 under Matlab | Basics | Academia / Research | Tips and Tricks | Multirate DSP | wavelet Comments (0) |
Bank-switched Farrow resampler
Bank-switched Farrow resampler Summary A modification of the Farrow structure with reduced computational complexity.Compared to a conventional design, the impulse response is broken into a higher nu...
posted by Markus Nentwig on Aug 13 2011 under Matlab | Basics | Multirate DSP Comments (0) |
