Title:
群遅延特性補償装置及び群遅延特性補償方法
Document Type and Number:
Japanese Patent JP5109886
Kind Code:
B2
Abstract:
A disclosed group delay characteristic correcting device corrects group delay characteristics of an analog low-pass filter used to remove aliasing of a digital-analog converter or an analog-digital converter. The group delay characteristic correcting device includes a digital signal processing unit configured to have an all-pass phase circuit at a stage previous to the digital-analog converter or at a stage subsequent to the analog-digital converter so as to correct the group delay characteristics of the analog low-pass filter.
Inventors:
Honda Atsushi
Yokoo Iku
Yoji Ohashi
Mitsuhiro Azuma
Yokoo Iku
Yoji Ohashi
Mitsuhiro Azuma
Application Number:
JP2008233438A
Publication Date:
December 26, 2012
Filing Date:
September 11, 2008
Export Citation:
Assignee:
富士通株式会社
International Classes:
H04L27/36; H03H17/00; H03H17/08; H04L27/20; H04L27/22; H04L27/38
Domestic Patent References:
| JP2003110638A | ||||
| JP8139606A | ||||
| JP4042607A | ||||
| JP2005033307A | ||||
| JP8330968A | ||||
| JP4261248A |
Foreign References:
| WO2007110805A1 |
Attorney, Agent or Firm:
Tadahiko Ito