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WO2009008114A1 - ラジオ受信装置および同装置におけるノイズ除去方法 - Google Patents

ラジオ受信装置および同装置におけるノイズ除去方法 Download PDF

Info

Publication number
WO2009008114A1
WO2009008114A1 PCT/JP2008/000849 JP2008000849W WO2009008114A1 WO 2009008114 A1 WO2009008114 A1 WO 2009008114A1 JP 2008000849 W JP2008000849 W JP 2008000849W WO 2009008114 A1 WO2009008114 A1 WO 2009008114A1
Authority
WO
WIPO (PCT)
Prior art keywords
receiver
noise
filtering noise
radio
radio receiver
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.)
Ceased
Application number
PCT/JP2008/000849
Other languages
English (en)
French (fr)
Inventor
Kazuhiro Nakata
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to DE112008001249T priority Critical patent/DE112008001249B4/de
Priority to CN2008800171811A priority patent/CN101682345B/zh
Priority to JP2009522499A priority patent/JP4712113B2/ja
Priority to US12/596,288 priority patent/US8385834B2/en
Publication of WO2009008114A1 publication Critical patent/WO2009008114A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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)
  • Noise Elimination (AREA)

Abstract

制御部８は、入力されるパルス性ノイズ波形の基準値に対する対称性を、そのフーリエスペクトル分布から検出し、対称波の場合にノイズキラー回路６等、前値ホールドや各種補間処理を実行するノイズ除去回路の働きを制限する。
PCT/JP2008/000849 2007-07-09 2008-04-02 ラジオ受信装置および同装置におけるノイズ除去方法 Ceased WO2009008114A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE112008001249T DE112008001249B4 (de) 2007-07-09 2008-04-02 Funkempfangsvorrichtung und Rauscheliminierungsverfahren in dieser Vorrichtung
CN2008800171811A CN101682345B (zh) 2007-07-09 2008-04-02 无线电接收装置和该装置的噪声消除方法
JP2009522499A JP4712113B2 (ja) 2007-07-09 2008-04-02 ラジオ受信装置および同装置におけるノイズ除去方法
US12/596,288 US8385834B2 (en) 2007-07-09 2008-04-02 Radio receiving apparatus and noise elimination method in the same apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-180011 2007-07-09
JP2007180011 2007-07-09

Publications (1)

Publication Number Publication Date
WO2009008114A1 true WO2009008114A1 (ja) 2009-01-15

Family

ID=40228308

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/000849 Ceased WO2009008114A1 (ja) 2007-07-09 2008-04-02 ラジオ受信装置および同装置におけるノイズ除去方法

Country Status (5)

Country Link
US (1) US8385834B2 (ja)
JP (1) JP4712113B2 (ja)
CN (1) CN101682345B (ja)
DE (1) DE112008001249B4 (ja)
WO (1) WO2009008114A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018116943A1 (ja) * 2016-12-22 2018-06-28 パナソニックＩｐマネジメント株式会社 ノイズ抑圧装置、ノイズ抑圧方法、及びこれらを用いた受信装置、受信方法

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Publication number Priority date Publication date Assignee Title
KR101872705B1 (ko) * 2011-12-02 2018-07-02 삼성전자 주식회사 방송수신장치 및 방송수신방법
US8913626B2 (en) * 2012-05-15 2014-12-16 Entropic Communications, Inc. Signal processing of multiple streams
JP2017216510A (ja) * 2016-05-30 2017-12-07 富士通テン株式会社 ノイズ低減装置およびノイズ低減方法
CN111256801B (zh) * 2020-02-29 2021-10-26 重庆宇涵电子科技有限公司 称重监测防控仪的防控系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001036422A (ja) * 1999-07-22 2001-02-09 Mitsubishi Electric Corp マルチパスノイズ除去装置、オーディオ出力装置およびｆｍ受信機
JP2005197813A (ja) * 2003-12-26 2005-07-21 Pioneer Electronic Corp ノイズ除去装置および受信機
JP2006067334A (ja) * 2004-08-27 2006-03-09 Fujitsu Ten Ltd ノイズ除去装置および受信機
JP2006319815A (ja) * 2005-05-13 2006-11-24 Matsushita Electric Ind Co Ltd パルスノイズキャンセル装置

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US3700812A (en) * 1971-03-11 1972-10-24 Nasa Audio system with means for reducing noise effects
JPS59165549A (ja) 1983-03-10 1984-09-18 Shimadzu Corp 信号処理におけるノイズ除去方法
JPH07231268A (ja) * 1993-12-21 1995-08-29 Toshiba Corp Ｆｍチューナにおけるパルスノイズキャンセラ
JPH10200492A (ja) 1997-01-06 1998-07-31 Mitsubishi Electric Corp 多重放送受信機
US6847737B1 (en) * 1998-03-13 2005-01-25 University Of Houston System Methods for performing DAF data filtering and padding
US7110434B2 (en) * 1999-08-31 2006-09-19 Broadcom Corporation Cancellation of interference in a communication system with application to S-CDMA
US7415061B2 (en) * 1999-08-31 2008-08-19 Broadcom Corporation Cancellation of burst noise in a communication system with application to S-CDMA
JP3454214B2 (ja) * 1999-12-22 2003-10-06 三菱電機株式会社 パルス雑音除去装置およびこれを含む中波ａｍ音声放送受信機
GB0020071D0 (en) * 2000-08-16 2000-10-04 Mitel Semiconductor Ltd Tuner
US7366258B2 (en) * 2001-06-08 2008-04-29 Broadcom Corporation Chip blanking and processing in SCDMA to mitigate impulse and burst noise and/or distortion
JP4151243B2 (ja) * 2001-07-26 2008-09-17 三菱電機株式会社 マルチパスノイズ除去方法および除去装置、ｆｍ受信機
JP2003060540A (ja) * 2001-08-10 2003-02-28 Pioneer Electronic Corp 受信装置
AU2002345130A1 (en) * 2002-06-20 2004-01-06 Nokia Corporation Method and system for receiving a multi-carrier signal
GB2395095A (en) * 2002-10-30 2004-05-12 Nokia Corp Reducing noise in a multi-carrier signal
JP2005192132A (ja) * 2003-12-26 2005-07-14 Pioneer Electronic Corp ノイズ除去装置
JP4335020B2 (ja) * 2004-01-15 2009-09-30 パイオニア株式会社 ノイズ除去装置
EP1638211A1 (en) * 2004-09-16 2006-03-22 Dibcom Impulse noise correction
WO2006042274A1 (en) * 2004-10-11 2006-04-20 2Wire, Inc. Periodic impulse noise mitigation in a dsl system
US7590399B2 (en) * 2005-08-11 2009-09-15 Delphi Technologies, Inc. Technique for reducing multipath interference in an FM receiver
JP4765118B2 (ja) * 2006-04-13 2011-09-07 オンセミコンダクター・トレーディング・リミテッド ノイズキャンセラ及びそれを用いたａｍ受信装置
JP5000936B2 (ja) * 2006-06-27 2012-08-15 オンセミコンダクター・トレーディング・リミテッド マルチパスノイズ検出装置及びｆｍ受信装置
JP4922678B2 (ja) * 2006-06-27 2012-04-25 オンセミコンダクター・トレーディング・リミテッド ノイズキャンセラ及びこれを用いた受信装置
JP4868999B2 (ja) * 2006-09-22 2012-02-01 富士通株式会社 音声認識方法、音声認識装置及びコンピュータプログラム

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001036422A (ja) * 1999-07-22 2001-02-09 Mitsubishi Electric Corp マルチパスノイズ除去装置、オーディオ出力装置およびｆｍ受信機
JP2005197813A (ja) * 2003-12-26 2005-07-21 Pioneer Electronic Corp ノイズ除去装置および受信機
JP2006067334A (ja) * 2004-08-27 2006-03-09 Fujitsu Ten Ltd ノイズ除去装置および受信機
JP2006319815A (ja) * 2005-05-13 2006-11-24 Matsushita Electric Ind Co Ltd パルスノイズキャンセル装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018116943A1 (ja) * 2016-12-22 2018-06-28 パナソニックＩｐマネジメント株式会社 ノイズ抑圧装置、ノイズ抑圧方法、及びこれらを用いた受信装置、受信方法

Also Published As

Publication number Publication date
US8385834B2 (en) 2013-02-26
JPWO2009008114A1 (ja) 2010-09-02
DE112008001249T5 (de) 2010-03-11
US20100112970A1 (en) 2010-05-06
CN101682345B (zh) 2012-12-12
CN101682345A (zh) 2010-03-24
DE112008001249B4 (de) 2012-09-13
JP4712113B2 (ja) 2011-06-29

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