Title:
DIGITAL FILTER APPARATUS, DIGITAL FILTER PROCESSING METHOD, AND RECORDING MEDIUM HAVING PROGRAM STORED THEREIN
Document Type and Number:
WIPO Patent Application WO/2015/045310
Kind Code:
A1
Abstract:
Provided is a digital filter apparatus capable of reducing circuit scale and power consumption in filter processing using FFT and IFFT.
The present invention is provided with a first filter processing unit, which has first data inputted thereto in a first order, performs first filter processing, including fast Fourier transform and inverse fast Fourier transform, and outputs second data in the first order.
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Inventors:
SHIBAYAMA ATSUFUMI (JP)
Application Number:
PCT/JP2014/004682
Publication Date:
April 02, 2015
Filing Date:
September 11, 2014
Export Citation:
Assignee:
NEC CORP (JP)
International Classes:
G06F17/14; G06F17/10
Domestic Patent References:
| WO2013057855A1 | 2013-04-25 |
Attorney, Agent or Firm:
SHIMOSAKA, NAOKI (JP)
Naoki Shimosaka (JP)
Naoki Shimosaka (JP)
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