DE69725818D1 - Digitale Signalverarbeitungsvorrichtung zum Frequenzmultiplexen und -demultiplexen - Google Patents

Digitale Signalverarbeitungsvorrichtung zum Frequenzmultiplexen und -demultiplexen

Info

Publication number
DE69725818D1
DE69725818D1 DE69725818T DE69725818T DE69725818D1 DE 69725818 D1 DE69725818 D1 DE 69725818D1 DE 69725818 T DE69725818 T DE 69725818T DE 69725818 T DE69725818 T DE 69725818T DE 69725818 D1 DE69725818 D1 DE 69725818D1
Authority
DE
Germany
Prior art keywords
demultiplexing
signal processing
digital signal
processing device
frequency division
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 - Lifetime
Application number
DE69725818T
Other languages
English (en)
Other versions
DE69725818T2 (de
Inventor
Paul Simon Cornfield
Alexander Walker Wishart
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.)
Airbus Defence and Space Ltd
Original Assignee
Matra Marconi Space UK Ltd
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 Matra Marconi Space UK Ltd filed Critical Matra Marconi Space UK Ltd
Publication of DE69725818D1 publication Critical patent/DE69725818D1/de
Application granted granted Critical
Publication of DE69725818T2 publication Critical patent/DE69725818T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J1/00Frequency-division multiplex systems
    • H04J1/02Details
    • H04J1/04Frequency-transposition arrangements
    • H04J1/05Frequency-transposition arrangements using digital techniques

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Complex Calculations (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Image Processing (AREA)
DE69725818T 1996-09-19 1997-08-26 Digitale Signalverarbeitungsvorrichtung zum Frequenzmultiplexen und -demultiplexen Expired - Lifetime DE69725818T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9619537A GB2317537B (en) 1996-09-19 1996-09-19 Digital signal processing apparatus for frequency demultiplexing or multiplexing
GB9619537 1996-09-19

Publications (2)

Publication Number Publication Date
DE69725818D1 true DE69725818D1 (de) 2003-12-04
DE69725818T2 DE69725818T2 (de) 2004-08-12

Family

ID=10800149

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69725818T Expired - Lifetime DE69725818T2 (de) 1996-09-19 1997-08-26 Digitale Signalverarbeitungsvorrichtung zum Frequenzmultiplexen und -demultiplexen

Country Status (6)

Country Link
US (1) US6118794A (de)
EP (1) EP0831611B1 (de)
AT (1) ATE253275T1 (de)
CA (1) CA2214869C (de)
DE (1) DE69725818T2 (de)
GB (1) GB2317537B (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6349118B1 (en) * 1999-02-26 2002-02-19 Trw Inc. Digital channelizer having efficient architecture for cyclic shifting and method of operation thereof
US7986729B2 (en) * 1999-10-28 2011-07-26 Lightwaves Systems, Inc. High bandwidth data transport system
US6990060B2 (en) * 2000-02-11 2006-01-24 Bae Systems Polyphase-discrete fourier transform (DFT) sub-band definition filtering architecture
GB2366494A (en) 2000-09-05 2002-03-06 Mitel Corp Dividing bandwidth into sub-bands prior to implementing an FFT in a high data rate communications network
SE0202159D0 (sv) 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
CA2359771A1 (en) * 2001-10-22 2003-04-22 Dspfactory Ltd. Low-resource real-time audio synthesis system and method
KR100648760B1 (ko) 2001-11-29 2006-11-23 코딩 테크놀러지스 에이비 고주파 재생 기술 향상을 위한 방법들 및 그를 수행하는 프로그램이 저장된 컴퓨터 프로그램 기록매체
GB2382961B (en) * 2001-12-05 2005-01-19 Matsushita Electric Ind Co Ltd Multirate digital transceiver
SE0202770D0 (sv) 2002-09-18 2002-09-18 Coding Technologies Sweden Ab Method for reduction of aliasing introduces by spectral envelope adjustment in real-valued filterbanks
CN101971508B (zh) * 2008-03-10 2015-02-11 纽兰斯公司 宽带信号处理的方法、系统和装置
KR101310418B1 (ko) 2010-02-12 2013-09-24 뉴랜스, 인코포레이티드. 광대역 아날로그 무선주파수 부품
WO2012061385A1 (en) 2010-11-01 2012-05-10 Newlans, Inc. Method and apparatus for power amplifier linearization
US8970252B2 (en) 2010-11-08 2015-03-03 Newlans, Inc. Field programmable analog array
EP2684072A1 (de) 2011-03-10 2014-01-15 Astrium Limited Sar-datenverarbeitung
WO2013067118A1 (en) * 2011-11-01 2013-05-10 Newlans, Inc. Wideband signal processing
JP6012066B2 (ja) * 2012-08-01 2016-10-25 Necスペーステクノロジー株式会社 チャネライザ及び信号処理方法
US9407240B2 (en) 2012-09-05 2016-08-02 Spero Devices, Inc. Bi-quad calibration
WO2016179513A1 (en) * 2015-05-06 2016-11-10 North Carolina State University Code-modulated phased-array interferometric imaging

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4138730A (en) * 1977-11-07 1979-02-06 Communications Satellite Corporation High speed FFT processor
ATE63413T1 (de) * 1986-04-14 1991-05-15 Siemens Ag Demultiplexstufe eines digitalsignal¨bertragungsger|tes.
US5247515A (en) * 1991-01-28 1993-09-21 Rockwell International Corporation Apparatus for extracting one from many multiplexed signals
US5425027A (en) * 1993-01-04 1995-06-13 Com21, Inc. Wide area fiber and TV cable fast packet cell network
US5535240A (en) * 1993-10-29 1996-07-09 Airnet Communications Corporation Transceiver apparatus employing wideband FFT channelizer and inverse FFT combiner for multichannel communication network
GB9414664D0 (en) * 1994-07-20 1994-09-07 British Aerospace Digital signal processing apparatus

Also Published As

Publication number Publication date
US6118794A (en) 2000-09-12
EP0831611B1 (de) 2003-10-29
CA2214869A1 (en) 1998-03-19
ATE253275T1 (de) 2003-11-15
EP0831611A3 (de) 2002-08-14
EP0831611A2 (de) 1998-03-25
GB2317537A (en) 1998-03-25
CA2214869C (en) 2004-02-24
DE69725818T2 (de) 2004-08-12
GB2317537B (en) 2000-05-17
GB9619537D0 (en) 1996-10-30

Similar Documents

Publication Publication Date Title
DE69725818D1 (de) Digitale Signalverarbeitungsvorrichtung zum Frequenzmultiplexen und -demultiplexen
SE9403795L (sv) Sätt och apparat för digitalisering
KR900017006A (ko) 오디오 신호 기록장치 및 기록 캐리어
EP0721258A3 (de) Digitalsignalverarbeitungsverfahren und -vorrichtung, Digitalsignaldekodierungsverfahren und -vorrichtung, Digitalsignalübertragungsverfahren und Aufzeichnungsmedium
DE69231369T2 (de) Verfahren und Einrichtung zur Audiodatenkompression
ATE147558T1 (de) Einrichtung und verfahren für die verarbeitung von digitalsignalen
DE69719246D1 (de) Spektrale Umsetzung eines digitalen Audiosignals
WO2001049073A3 (en) Multichannel audio signal processing device
BR9304934A (pt) Aparelho para gravar sinais de video e de áudio digitais.
GB9000105D0 (en) Recording system
EP0758169A3 (de) Übertragungssystem und Übertragungsverfahren mit Wellenlängenmultiplexen
DE69025188D1 (de) Digitales Übertragungssystem, Gerät zur Aufnahme und/oder Wiedergabe und Sender sowie Empfänger zur Anwendung im Übertragungssystem
IE892090L (en) A method and a device for processing electric signals coming¹from the analysis of the line of an image
ATE150238T1 (de) Verfahren zur aufbereitung eines digitalen frequenzmultiplexsignals sowie dessen zerlegung
EP1009162A3 (de) Digitales Audio/Videodecodersystem und -vorrichtung
ES2076207T3 (es) Circuito de conmutacion.
FI910792A0 (fi) Kvasiparallelt mellanfrekvenssteg med foerdelad saw-filter.
GB2001495A (en) Limiting audio signal peaks without distortion
ID16868A (id) Transmisi sinyal informasi digital dengan frekuensi contoh pertama khusus
WO1997006618A3 (en) Method and apparatus for transmultiplexer a multi-channel information signal
ATE234499T1 (de) Synchronisation von mit verschiedenen abtastraten aufgenommenen audiosignal-abtastwerten
DK154687A (da) Digitalt overfoeringssystem
SE9703233D0 (sv) Image signal processing method and apparatus
KR960006321A (ko) 음성다중방송의 수신장치
KR970057570A (ko) 음성다중방송의 채널 자동변환 장치 및 방법

Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: EADS ASTRIUM LTD., STEVENAGE, HERTFORDSHIRE, GB

8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ASTRIUM LTD., STEVENAGE, HERTFORDSHIRE, GB