KR100988450B1 - 진폭 변조된(am) 신호를 프로세싱하기 위한 방법 및 장치 - Google Patents
진폭 변조된(am) 신호를 프로세싱하기 위한 방법 및 장치 Download PDFInfo
- Publication number
- KR100988450B1 KR100988450B1 KR1020057008608A KR20057008608A KR100988450B1 KR 100988450 B1 KR100988450 B1 KR 100988450B1 KR 1020057008608 A KR1020057008608 A KR 1020057008608A KR 20057008608 A KR20057008608 A KR 20057008608A KR 100988450 B1 KR100988450 B1 KR 100988450B1
- Authority
- KR
- South Korea
- Prior art keywords
- filter
- demodulator
- signal
- filters
- post
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/0294—Variable filters; Programmable filters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
- H04B1/1036—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal with automatic suppression of narrow band noise or interference, e.g. by using tuneable notch filters
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Mathematical Physics (AREA)
- Noise Elimination (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/294,511 | 2002-11-14 | ||
| US10/294,511 US7092465B2 (en) | 2002-11-14 | 2002-11-14 | Method and apparatus for processing an amplitude modulated (AM) signal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20050086615A KR20050086615A (ko) | 2005-08-30 |
| KR100988450B1 true KR100988450B1 (ko) | 2010-10-18 |
Family
ID=32296991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020057008608A Expired - Fee Related KR100988450B1 (ko) | 2002-11-14 | 2003-08-22 | 진폭 변조된(am) 신호를 프로세싱하기 위한 방법 및 장치 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7092465B2 (https=) |
| JP (1) | JP4235175B2 (https=) |
| KR (1) | KR100988450B1 (https=) |
| CN (1) | CN100365941C (https=) |
| AU (1) | AU2003268370A1 (https=) |
| WO (1) | WO2004045095A1 (https=) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7076233B2 (en) * | 2003-03-28 | 2006-07-11 | Sandbridge Technologies, Inc. | AM receiver and demodulator |
| US7031886B1 (en) * | 2004-12-14 | 2006-04-18 | Synaptics Incorporated | Methods and systems for detecting noise in a position sensor using minor shifts in sensing frequency |
| US8098722B2 (en) * | 2005-03-29 | 2012-01-17 | Qualcomm Incorporated | Method and apparatus for equalization control |
| US7801311B2 (en) * | 2005-09-15 | 2010-09-21 | Freescale Semiconductor, Inc. | Radio receiver with stereo decoder and method for use therewith |
| WO2008048873A2 (en) * | 2006-10-13 | 2008-04-24 | Continental Automotive Systems Us, Inc. | Radio front end |
| US8352202B2 (en) * | 2009-06-23 | 2013-01-08 | Synaptics Incorporated | System and method for detecting interfernce in a sensor device using phase shifting |
| US8812571B2 (en) * | 2011-05-12 | 2014-08-19 | Telefonaktiebolaget L M Ericsson (Publ) | Spectrum agile radio |
| CN106094509B (zh) * | 2016-06-22 | 2019-12-06 | 广东电网有限责任公司电力科学研究院 | 一种lcr滤波控制方法及装置 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5155862A (en) | 1987-04-15 | 1992-10-13 | H.U.C. Elektronik Gmbh | Fm receiver having variable if filter |
| KR19980087007A (ko) * | 1997-05-13 | 1998-12-05 | 모리시타 요이치 | 무선 수신 장치 |
| US20010008430A1 (en) * | 1998-11-12 | 2001-07-19 | Broadcom Corporation | System and method for providing a low power receiver design |
| US20020136289A1 (en) | 1999-02-08 | 2002-09-26 | Sunil Shukla | Method of slewing a digital filter providing filter sections with matched gain |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3760287A (en) | 1971-08-28 | 1973-09-18 | Bell Telephone Labor Inc | Digitally controllable variable active rc filter |
| ES2083445T3 (es) * | 1990-09-18 | 1996-04-16 | Alcatel Nv | Circuito diezmador de varios canales. |
| DE4319457C2 (de) | 1993-06-11 | 1997-09-04 | Blaupunkt Werke Gmbh | Schaltungsanordnung zur Nachbarkanalerkennung und -unterdrückung in einem FM-Rundfunkempfänger |
| FR2735634B1 (fr) * | 1995-06-14 | 1997-07-11 | Alcatel Telspace | Dispositif de correction de la caracteristique amplitude/frequence d'un signal ayant transite par un cable et egaliseur frequentiel correspondant |
| EP0786887A1 (fr) * | 1996-01-29 | 1997-07-30 | ALCATEL ITALIA S.p.A. | Procédé de compensation des différences en temps de propagation de groupe entre les filtres analogiques d'un émetteur ou d'un récepteur de signaux en quadrature de phase |
| JP3576795B2 (ja) * | 1998-03-13 | 2004-10-13 | 株式会社ケンウッド | Am隣接妨害除去回路 |
-
2002
- 2002-11-14 US US10/294,511 patent/US7092465B2/en not_active Expired - Fee Related
-
2003
- 2003-08-22 KR KR1020057008608A patent/KR100988450B1/ko not_active Expired - Fee Related
- 2003-08-22 AU AU2003268370A patent/AU2003268370A1/en not_active Abandoned
- 2003-08-22 JP JP2004551451A patent/JP4235175B2/ja not_active Expired - Fee Related
- 2003-08-22 WO PCT/US2003/027430 patent/WO2004045095A1/en not_active Ceased
- 2003-08-22 CN CNB03825140XA patent/CN100365941C/zh not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5155862A (en) | 1987-04-15 | 1992-10-13 | H.U.C. Elektronik Gmbh | Fm receiver having variable if filter |
| KR19980087007A (ko) * | 1997-05-13 | 1998-12-05 | 모리시타 요이치 | 무선 수신 장치 |
| US20010008430A1 (en) * | 1998-11-12 | 2001-07-19 | Broadcom Corporation | System and method for providing a low power receiver design |
| US20020136289A1 (en) | 1999-02-08 | 2002-09-26 | Sunil Shukla | Method of slewing a digital filter providing filter sections with matched gain |
Also Published As
| Publication number | Publication date |
|---|---|
| US20040096014A1 (en) | 2004-05-20 |
| US7092465B2 (en) | 2006-08-15 |
| CN100365941C (zh) | 2008-01-30 |
| AU2003268370A1 (en) | 2004-06-03 |
| KR20050086615A (ko) | 2005-08-30 |
| CN1703835A (zh) | 2005-11-30 |
| JP2006506850A (ja) | 2006-02-23 |
| JP4235175B2 (ja) | 2009-03-11 |
| WO2004045095A1 (en) | 2004-05-27 |
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