[go: up one dir, main page]

WO2003013011A1 - Appareil reducteur de bruit - Google Patents

Appareil reducteur de bruit Download PDF

Info

Publication number
WO2003013011A1
WO2003013011A1 PCT/JP2002/007755 JP0207755W WO03013011A1 WO 2003013011 A1 WO2003013011 A1 WO 2003013011A1 JP 0207755 W JP0207755 W JP 0207755W WO 03013011 A1 WO03013011 A1 WO 03013011A1
Authority
WO
WIPO (PCT)
Prior art keywords
signal
pulse
frequency
saw
tooth
Prior art date
Application number
PCT/JP2002/007755
Other languages
English (en)
French (fr)
Inventor
Tadao Sugita
Original Assignee
Tadao Sugita
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 Tadao Sugita filed Critical Tadao Sugita
Priority to JP2003518074A priority Critical patent/JP4166692B2/ja
Priority to EP02751814A priority patent/EP1414160A4/en
Priority to US10/380,110 priority patent/US20040086037A1/en
Publication of WO2003013011A1 publication Critical patent/WO2003013011A1/ja

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
    • H04B1/69—Spread spectrum techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Noise Elimination (AREA)
PCT/JP2002/007755 2001-07-30 2002-07-30 Appareil reducteur de bruit WO2003013011A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2003518074A JP4166692B2 (ja) 2001-07-30 2002-07-30 ノイズリダクション装置およびキャリア再生装置
EP02751814A EP1414160A4 (en) 2001-07-30 2002-07-30 NOISE REDUCING APPARATUS
US10/380,110 US20040086037A1 (en) 2001-07-30 2002-07-30 Noise reduction apparatus

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001-229506 2001-07-30
JP2001229506 2001-07-30

Publications (1)

Publication Number Publication Date
WO2003013011A1 true WO2003013011A1 (fr) 2003-02-13

Family

ID=19061845

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2002/007755 WO2003013011A1 (fr) 2001-07-30 2002-07-30 Appareil reducteur de bruit

Country Status (5)

Country Link
US (1) US20040086037A1 (ja)
EP (1) EP1414160A4 (ja)
JP (1) JP4166692B2 (ja)
CN (1) CN1221082C (ja)
WO (1) WO2003013011A1 (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104252863A (zh) * 2013-06-28 2014-12-31 上海通用汽车有限公司 车载收音机的音频降噪处理系统及方法
KR20200019179A (ko) * 2017-06-22 2020-02-21 컴파운드 포토닉스 유.에스. 코퍼레이션 디스플레이 장치를 구동하는 시스템 및 방법
CN109413258B (zh) * 2017-08-18 2021-03-26 成都鼎桥通信技术有限公司 一种集群终端的省电方法
CN110459001A (zh) * 2019-07-31 2019-11-15 浪潮金融信息技术有限公司 一种适用于自助售货机系统的红外光栅检货方法
CN116704983B (zh) * 2022-02-28 2024-09-10 比亚迪股份有限公司 汽车广播降噪方法、装置、计算机设备、存储介质及汽车

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6490634A (en) * 1987-10-01 1989-04-07 Kokusai Electric Co Ltd Receiver for spread spectrum signal
JPH09247111A (ja) * 1996-03-06 1997-09-19 Nec Corp 副信号多重化方法とその回路
JPH1084331A (ja) * 1996-09-06 1998-03-31 Ibiden Sangyo Kk スペクトル拡散通信方法及びその装置
JP2000115266A (ja) * 1998-10-09 2000-04-21 Futaba Corp シンボル同期装置および周波数ホッピング受信装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3885552A (en) * 1972-11-16 1975-05-27 Pacemaker Diagnostic Clinic Of Cardiac function monitoring system and method for use in association with cardiac pacer apparatus
DE2913172B2 (de) * 1979-04-02 1981-06-11 Siemens AG, 1000 Berlin und 8000 München Empfänger für hochfrequente elektromagneitsche Schwingungen mit einer Frequenznachregelung
US4497063A (en) * 1981-06-26 1985-01-29 Pioneer Electronic Corporation FM stereo demodulator
JPH02283129A (ja) * 1989-04-24 1990-11-20 Alpine Electron Inc Ｆｍ受信機のマルチパスノイズ低減回路
ATE133017T1 (de) * 1990-04-19 1996-01-15 Austria Mikrosysteme Int Monolithisch integrierter hochauflösender analog- digital-umsetzer
JP2845253B2 (ja) * 1992-07-15 1999-01-13 日本電気株式会社 キードパルス検出回路
US5748891A (en) * 1994-07-22 1998-05-05 Aether Wire & Location Spread spectrum localizers
US5717296A (en) * 1995-05-08 1998-02-10 Hitachi, Ltd. Display device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6490634A (en) * 1987-10-01 1989-04-07 Kokusai Electric Co Ltd Receiver for spread spectrum signal
JPH09247111A (ja) * 1996-03-06 1997-09-19 Nec Corp 副信号多重化方法とその回路
JPH1084331A (ja) * 1996-09-06 1998-03-31 Ibiden Sangyo Kk スペクトル拡散通信方法及びその装置
JP2000115266A (ja) * 1998-10-09 2000-04-21 Futaba Corp シンボル同期装置および周波数ホッピング受信装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP1414160A4 *

Also Published As

Publication number Publication date
US20040086037A1 (en) 2004-05-06
CN1466820A (zh) 2004-01-07
JPWO2003013011A1 (ja) 2004-11-25
EP1414160A4 (en) 2006-04-12
CN1221082C (zh) 2005-09-28
EP1414160A1 (en) 2004-04-28
JP4166692B2 (ja) 2008-10-15

Similar Documents

Publication Publication Date Title
EP1641132B8 (en) transmitter and transmission method
WO2002015413A3 (en) Power line communication system
ATE518297T1 (de) Direktkonversionsempfänger
EP2296415A3 (en) Method and apparatus for adjusting transmission power of a CDMA terminal
EP0822670A3 (en) Sequence generation for asynchronous spread spectrum communication
CN100452788C (zh) 减小峰均功率比的方法、设备和系统
EP1217759A3 (en) Spread spectrum transmission circuit
DK1210768T3 (da) Adaptiv højfrekens-forbegrænserforstærker
WO2004040403A3 (en) Lower complexity layered modulation signal processor
WO2003075457A3 (en) Apparatus and method for reducing peak-to-average signal power ratio
WO2002054101A3 (de) Radareinrichtung und verfahren zum unterdrücken von störungen einer radareinrichtung
FI20012559A0 (fi) Menetelmä uudelleentahdistumisen suorittamiseksi sijainninmääritysvastaanottimessa ja elektroniikkalaite
WO2001080506A3 (en) Receiver for use in a code shift keying spread spectrum communications system
EP0845872A3 (de) Übertragung von breitbandigen Signalen in einem durch stationäre Signale gestörten Netz
WO2006036555A3 (en) Joint source-channel coding for multi-carrier modulation
WO2003013011A1 (fr) Appareil reducteur de bruit
AU2002345128A1 (en) Processing of an ofdm signal
WO2005004499A3 (en) A system and method for excluding narrow band noise from a communication channel
US7542505B2 (en) Systems and methods for signal conversion
EP0977368A3 (en) Radio transceiver and circuit
US10015037B2 (en) Generation of a transmission signal
WO2003041306A3 (en) Characterization of a transmission path of an optical signal having an optical communication signal
US7123644B2 (en) Peak cancellation apparatus of base station transmission unit
KR100819307B1 (ko) 델타-시그마 변조된 신호를 사용하는 전력 증폭기의 입력정합 장치 및 방법
WO2001047106A3 (en) Transmitter power amplifier ramping method

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AU BR CA CN ID IL IN JP KR MX NO NZ PH RU SG UA US VN ZA

Kind code of ref document: A1

Designated state(s): AU BR CA CN ID IL IN JP KR MX NO PH RU SG UA US VN

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LU MC NL PT SE SK TR

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FR GB GR IE IT LU MC NL PT SE SK TR

WWE Wipo information: entry into national phase

Ref document number: 10380110

Country of ref document: US

WWE Wipo information: entry into national phase

Ref document number: 2002751814

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 2003518074

Country of ref document: JP

121 Ep: the epo has been informed by wipo that ep was designated in this application
WWE Wipo information: entry into national phase

Ref document number: 028026845

Country of ref document: CN

WWP Wipo information: published in national office

Ref document number: 2002751814

Country of ref document: EP

WWW Wipo information: withdrawn in national office

Ref document number: 2002751814

Country of ref document: EP