DIGITAL FILTER DESIGNING METHOD AND DESIGNING APPARATUS, DIGITAL FILTER DESIGNING PROGRAM, AND DIGITAL FILTER

Title:

DIGITAL FILTER DESIGNING METHOD AND DESIGNING APPARATUS, DIGITAL FILTER DESIGNING PROGRAM, AND DIGITAL FILTER

Document Type and Number:

WIPO Patent Application WO/2003/058814

Kind Code:

A1

Abstract:

One or more unit filters are prepared from basic unit filters having a predetermined basic numerical string h1 to h6 as filter coefficients. A digital filter is designed by combining these. Thus, by combining the unit filters, it is possible to automatically calculate a complicated filter coefficient, so that an engineer having no long experience can easily design filters.

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Inventors:

KOYANAGI YUKIO (JP)

Application Number:

PCT/JP2002/013483

Publication Date:

July 17, 2003

Filing Date:

December 25, 2002

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Assignee:

KOYANAGI YUKIO (JP)
SAKAI YASUE (JP)

International Classes:

H03H17/06; (IPC1-7): H03H17/06

Foreign References:

JPH06503450A	1994-04-14
JPH05243908A	1993-09-21

Attorney, Agent or Firm:

Tachibana, Kazuyuki (Oaza-Shimoshingashi Kawagoe-shi, Saitama, JP)

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