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RESEARCH PRODUCT

Introduction: Digital Filters and Filter Banks

Amir AverbuchPekka NeittaanmäkiValery A. Zheludev

subject

Computer scienceElectronic engineeringPolyphase systemButterworth filterFilter (signal processing)Capacitor-input filterFilter bankTransfer functionInfinite impulse responseDigital filter

description

A basic operation of spectr is filterin. In this introductory chapter, processing of one- and two-dimensional signals by digital filters and filter banks is outlined. A polyphase implementation of multirate filtering is described. The application of filtering with IIR filters, whose transfer functions are rational, is described. Bases and frames in the signals’ space that are generated by perfect reconstruction filter banks are discussed. The Butterworth filters, which are used in further constructions, are introduced.

https://doi.org/10.1007/978-3-319-22303-2_2