Title:
PARALLEL IIR FILTER, DIGITAL FILTER DEVICE, PARALLEL IIR FILTER DESIGN DEVICE, PARALLEL IIR FILTER DESIGN METHOD, PARALLEL IIR FILTER MANUFACTURING METHOD
Document Type and Number:
Japanese Patent JP2020136757
Kind Code:
A
Abstract:
To provide a parallel IIR filter.SOLUTION: A denominator polynomial D(z) and a numerator polynomial N(z) in a transfer function H(z) of a IIR filter is converted into a transfer function by a parallelized polyphase expression, and therefore, a parallel IIR filter 100 includes a parallelized polyphase filter.SELECTED DRAWING: Figure 7
Inventors:
MAEHATA TAKASHI
Application Number:
JP2019024408A
Publication Date:
August 31, 2020
Filing Date:
February 14, 2019
Export Citation:
Assignee:
SUMITOMO ELECTRIC INDUSTRIES
International Classes:
H03H17/04
Attorney, Agent or Firm:
Hiroshi Yamano
Hiroshi Sakamoto
Hiroshi Sakamoto