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A Design Method of 2-D Maximally Flat Diamond-Shaped Half-Band FIR Filters
Toshiyuki YOSHIDA Akinori NISHIHARA Nobuo FUJII
IEICE TRANSACTIONS (1976-1990)
Publication Date: 1990/06/25
Print ISSN: 0000-0000
Type of Manuscript: PAPER
Category: Digital Signal Processing
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This paper proposes a new technique for designing 2-D diamond-shaped half-band FIR filters with maximally flat amplitude property. First, a 2-D half-band FIR filter is defined and several interesting properties of this filter are explained. Then a design method using these properties is explained and some design examples are shown. Finally, we discuss the advantages of our method by comparing with the previously proposed method.