JP2000216682A5 - - Google Patents
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- Publication number
- JP2000216682A5 JP2000216682A5 JP1999014761A JP1476199A JP2000216682A5 JP 2000216682 A5 JP2000216682 A5 JP 2000216682A5 JP 1999014761 A JP1999014761 A JP 1999014761A JP 1476199 A JP1476199 A JP 1476199A JP 2000216682 A5 JP2000216682 A5 JP 2000216682A5
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- JP
- Japan
- Prior art keywords
- signal
- complex
- signals
- component
- complex number
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000003384 imaging method Methods 0.000 description 38
- 238000001228 spectrum Methods 0.000 description 29
- 238000005070 sampling Methods 0.000 description 28
- 230000003595 spectral effect Effects 0.000 description 11
- 238000003672 processing method Methods 0.000 description 6
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP01476199A JP4123614B2 (ja) | 1999-01-22 | 1999-01-22 | 信号処理装置およびその方法 |
| US09/488,665 US6507859B1 (en) | 1999-01-22 | 2000-01-20 | Signal processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP01476199A JP4123614B2 (ja) | 1999-01-22 | 1999-01-22 | 信号処理装置およびその方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2000216682A JP2000216682A (ja) | 2000-08-04 |
| JP2000216682A5 true JP2000216682A5 (https=) | 2006-03-09 |
| JP4123614B2 JP4123614B2 (ja) | 2008-07-23 |
Family
ID=11870075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP01476199A Expired - Fee Related JP4123614B2 (ja) | 1999-01-22 | 1999-01-22 | 信号処理装置およびその方法 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US6507859B1 (https=) |
| JP (1) | JP4123614B2 (https=) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6061551A (en) | 1998-10-21 | 2000-05-09 | Parkervision, Inc. | Method and system for down-converting electromagnetic signals |
| US7515896B1 (en) | 1998-10-21 | 2009-04-07 | Parkervision, Inc. | Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships |
| US7236754B2 (en) | 1999-08-23 | 2007-06-26 | Parkervision, Inc. | Method and system for frequency up-conversion |
| US7039372B1 (en) | 1998-10-21 | 2006-05-02 | Parkervision, Inc. | Method and system for frequency up-conversion with modulation embodiments |
| US6370371B1 (en) | 1998-10-21 | 2002-04-09 | Parkervision, Inc. | Applications of universal frequency translation |
| US6879817B1 (en) | 1999-04-16 | 2005-04-12 | Parkervision, Inc. | DC offset, re-radiation, and I/Q solutions using universal frequency translation technology |
| US6853690B1 (en) | 1999-04-16 | 2005-02-08 | Parkervision, Inc. | Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments |
| US7065162B1 (en) | 1999-04-16 | 2006-06-20 | Parkervision, Inc. | Method and system for down-converting an electromagnetic signal, and transforms for same |
| US7110444B1 (en) | 1999-08-04 | 2006-09-19 | Parkervision, Inc. | Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations |
| US7693230B2 (en) | 1999-04-16 | 2010-04-06 | Parkervision, Inc. | Apparatus and method of differential IQ frequency up-conversion |
| JP4158280B2 (ja) * | 1999-06-04 | 2008-10-01 | ソニー株式会社 | 画像処理装置およびその方法 |
| US8295406B1 (en) | 1999-08-04 | 2012-10-23 | Parkervision, Inc. | Universal platform module for a plurality of communication protocols |
| US6687422B1 (en) * | 2000-02-16 | 2004-02-03 | The Cleveland Clinic Foundation | Discrete image data interpolation using sub-unity shift |
| US7454453B2 (en) | 2000-11-14 | 2008-11-18 | Parkervision, Inc. | Methods, systems, and computer program products for parallel correlation and applications thereof |
| US7072427B2 (en) | 2001-11-09 | 2006-07-04 | Parkervision, Inc. | Method and apparatus for reducing DC offsets in a communication system |
| US7379883B2 (en) | 2002-07-18 | 2008-05-27 | Parkervision, Inc. | Networking methods and systems |
| US7460584B2 (en) | 2002-07-18 | 2008-12-02 | Parkervision, Inc. | Networking methods and systems |
| US20060056645A1 (en) * | 2004-09-01 | 2006-03-16 | Wallis David E | Construction of certain continuous signals from digital samples of a given signal |
| JP4826546B2 (ja) | 2007-06-18 | 2011-11-30 | ソニー株式会社 | 画像処理装置、画像処理方法、及びプログラム |
| EP2012532A3 (en) * | 2007-07-05 | 2012-02-15 | Hitachi Ltd. | Video displaying apparatus, video signal processing apparatus and video signal processing method |
| JP2009033581A (ja) * | 2007-07-30 | 2009-02-12 | Hitachi Ltd | 画像信号記録再生装置 |
| JP2009033582A (ja) * | 2007-07-30 | 2009-02-12 | Hitachi Ltd | 画像信号記録再生装置 |
| US8089557B2 (en) | 2007-10-04 | 2012-01-03 | Hitachi, Ltd. | Video signal processing apparatus, video signal processing method and video display apparatus |
| JP4508279B2 (ja) | 2008-07-17 | 2010-07-21 | ソニー株式会社 | 画像処理装置、画像処理方法、及び、プログラム |
| CN117081900A (zh) * | 2022-05-10 | 2023-11-17 | 富士通株式会社 | 信号生成装置及方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2358061A1 (fr) * | 1976-07-08 | 1978-02-03 | Ibm France | Procede et dispositif d'egalisation utilisant la transformee de fourier |
| US5309482A (en) * | 1992-03-30 | 1994-05-03 | Novatel Communications Ltd. | Receiver having an adjustable matched filter |
| US6353629B1 (en) * | 1997-05-12 | 2002-03-05 | Texas Instruments Incorporated | Poly-path time domain equalization |
-
1999
- 1999-01-22 JP JP01476199A patent/JP4123614B2/ja not_active Expired - Fee Related
-
2000
- 2000-01-20 US US09/488,665 patent/US6507859B1/en not_active Expired - Lifetime
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