Title:
DETECTOR, TEST DEVICE, TEST METHOD, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2004/004264
Kind Code:
A1
Abstract:
A detector for detecting a signal to be measured which has been discretized by a predetermined discretization frequency. The detector includes an analysis signal converter for converting the signal to be measured into a an analysis signal having a lower discretization frequency than the signal to be measured so as to remove an aliasing component of the signal to be measured by the discretization and a base band signal generator for frequency-shifting the analysis signal and generating a complex base band signal of the signal to be measured.
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Inventors:
ASAMI KOJI (JP)
Application Number:
PCT/JP2003/008022
Publication Date:
January 08, 2004
Filing Date:
June 25, 2003
Export Citation:
Assignee:
ADVANTEST CORP (JP)
ASAMI KOJI (JP)
ASAMI KOJI (JP)
International Classes:
G01R19/25; H03H17/06; (IPC1-7): H04L27/00; G01R31/28; H03D7/00; H03H17/00; H04B17/00
Foreign References:
| JPH0730499A | 1995-01-31 | |||
| JPH09162938A | 1997-06-20 | |||
| JPH07202967A | 1995-08-04 | |||
| JPH02217015A | 1990-08-29 | |||
| JPS6229219A | 1987-02-07 | |||
| JPH01183909A | 1989-07-21 | |||
| JP2000049879A | 2000-02-18 | |||
| JPH09168039A | 1997-06-24 | |||
| JPH07141324A | 1995-06-02 |
Other References:
PIET J. VAN GERWEN, NIEK A.M. VERHOECKX, HENK A. VAN ESSEN, FRED A.M. SNIJDERS,'Microprocessor Implementation of High-Speed Data Modems', IEEE TRANSACTIONS ON COMMUNICATIONS, FEBRUARY 1977, Vol. COM-25, No. 2, pages 238 to 250, Figs. 8, 9
Attorney, Agent or Firm:
Ryuka, Akihiro (24-12 Shinjuku 1-chom, Shinjuku-ku Tokyo, JP)
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