A recursive matrix approach to spectral transformations for digital filters

The problem of converting a digital prototype filter, H p (z), to a filter with specified cutoff parameters involves computing a new filter, H (z), from the prototype filter. A new recursive matrix approach for the conversion is presented. This simpler and more direct method is used to convert digit...

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Bibliographic Details
Main Authors: Goodman, T.J., Aburdene, M.F.
Format: Conference Proceeding
Language:English
Subjects:
Digital filters
digital highpass filters
digital lowpass filters
Digital spectral transformations
IIR digital filters
IIR filters
Matrices
Matrix converters
Passband
Polynomials
Prototypes
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Description
Summary:The problem of converting a digital prototype filter, H p (z), to a filter with specified cutoff parameters involves computing a new filter, H (z), from the prototype filter. A new recursive matrix approach for the conversion is presented. This simpler and more direct method is used to convert digital lowpass-to-digital lowpass filters and digital lowpass-to-digital highpass filters.
DOI:10.1109/CISS.2009.5054821