FR2386943A1 - Dispositif pour convertir des signaux discrets en un signal multiplex de frequence a bande laterale unique discret et vice versa - Google Patents

Dispositif pour convertir des signaux discrets en un signal multiplex de frequence a bande laterale unique discret et vice versa

Info

Publication number
FR2386943A1
FR2386943A1 FR7809887A FR7809887A FR2386943A1 FR 2386943 A1 FR2386943 A1 FR 2386943A1 FR 7809887 A FR7809887 A FR 7809887A FR 7809887 A FR7809887 A FR 7809887A FR 2386943 A1 FR2386943 A1 FR 2386943A1
Authority
FR
France
Prior art keywords
discreet
converting
vice versa
signals
multiplex signal
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.)
Granted
Application number
FR7809887A
Other languages
English (en)
Other versions
FR2386943B1 (fr
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2386943A1 publication Critical patent/FR2386943A1/fr
Application granted granted Critical
Publication of FR2386943B1 publication Critical patent/FR2386943B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J4/00—Combined time-division and frequency-division multiplex systems
    • H04J4/005—Transmultiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/04—Frequency-transposition arrangements
    • H04J1/05—Frequency-transposition arrangements using digital techniques

Abstract

Dispositif TDM-FDM comprenant un dispositif de transformation pour le mélange entre eux de N signaux TDM {xk (n)} avec k = 1,2,3 ...N et pour la création de N signaux de conversion {sm (n)} où :
FR7809887A 1977-04-04 1978-04-04 Dispositif pour convertir des signaux discrets en un signal multiplex de frequence a bande laterale unique discret et vice versa Granted FR2386943A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLAANVRAGE7703633,A NL180369C (nl) 1977-04-04 1977-04-04 Inrichting voor het omzetten van discrete signalen in een discreet enkelzijband frequentie-multiplex-signaal en omgekeerd.

Publications (2)

Publication Number Publication Date
FR2386943A1 true FR2386943A1 (fr) 1978-11-03
FR2386943B1 FR2386943B1 (fr) 1983-01-07

Family

ID=19828298

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7809887A Granted FR2386943A1 (fr) 1977-04-04 1978-04-04 Dispositif pour convertir des signaux discrets en un signal multiplex de frequence a bande laterale unique discret et vice versa

Country Status (14)

Country Link
US (1) US4131764A (fr)
JP (2) JPS53123615A (fr)
AU (1) AU510119B2 (fr)
BE (1) BE865610A (fr)
BR (1) BR7802065A (fr)
CA (1) CA1109973A (fr)
CH (1) CH633923A5 (fr)
DE (1) DE2811576C2 (fr)
DK (1) DK145778A (fr)
FR (1) FR2386943A1 (fr)
GB (1) GB1571263A (fr)
IT (1) IT1094037B (fr)
NL (1) NL180369C (fr)
SE (2) SE436534B (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL173339C (nl) * 1978-11-30 1984-01-02 Philips Nv Digitaal-analoog omzetter.
NL180895C (nl) * 1978-11-30 1987-05-04 Philips Nv Analoog-digitaal-omzetter.
US4412325A (en) * 1981-07-13 1983-10-25 Telettra- Telefonia Elettronica E Radio S.P.A. Equipment for single band multiplexing through digital processing
NL8202687A (nl) * 1982-07-05 1984-02-01 Philips Nv Decimerende filterinrichting.
US4563750A (en) * 1983-03-04 1986-01-07 Clarke William L Fast Fourier transform apparatus with data timing schedule decoupling
FR2577084B1 (fr) * 1985-02-01 1987-03-20 Trt Telecom Radio Electr Systeme de bancs de filtres d'analyse et de synthese d'un signal
DE3626862A1 (de) * 1986-08-08 1988-02-11 Philips Patentverwaltung Mehrstufige sender- antennenkoppeleinrichtung
US4785447A (en) * 1987-02-17 1988-11-15 Nec Corporation FDM demultiplexer using oversampled digital filters
NO165980C (no) * 1988-11-07 1991-05-08 Frobe Radio As Fremgangsmaate for omforming respektive prosessering av elektroniske multiplekssignaler, og anordning for prosessering av slike signaler.
US5475628A (en) * 1992-09-30 1995-12-12 Analog Devices, Inc. Asynchronous digital sample rate converter
US5638010A (en) * 1995-06-07 1997-06-10 Analog Devices, Inc. Digitally controlled oscillator for a phase-locked loop providing a residue signal for use in continuously variable interpolation and decimation filters
US6487190B1 (en) * 1996-06-27 2002-11-26 Interdigital Technology Corporation Efficient multichannel filtering for CDMA modems
US5999573A (en) * 1997-08-29 1999-12-07 Ericsson Inc. Wideband channelization with variable sampling frequency
DE19826253A1 (de) * 1998-06-15 1999-12-16 Abb Patent Gmbh Verfahren zur bandbreiteneffizienten Mehrfrequenz-Datenübertragung
CA2299821C (fr) 1999-03-04 2004-08-10 Nippon Telegraph And Telephone Corporation Modem numerique a vitesse de transmission variable et banc de filtres a vitesses multiples
EP1238467B1 (fr) * 1999-12-16 2005-10-05 Infineon Technologies AG Appareil electronique dote d'un mode de fonctionnement et d'un mode de repos a economie d'energie et procede de commutation entre ces deux modes
US8718290B2 (en) 2010-01-26 2014-05-06 Audience, Inc. Adaptive noise reduction using level cues
US9378754B1 (en) 2010-04-28 2016-06-28 Knowles Electronics, Llc Adaptive spatial classifier for multi-microphone systems

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3605019A (en) * 1969-01-15 1971-09-14 Ibm Selective fading transformer
BE754408A (nl) 1969-08-06 1971-02-04 Trt Telecom Radio Electr Stelsel voor de overdracht van analoge signalen door middel vanpulscodemodulatie
US3676598A (en) * 1970-06-08 1972-07-11 Bell Telephone Labor Inc Frequency division multiplex single-sideband modulation system
FR2188920A5 (fr) 1972-06-15 1974-01-18 Trt Telecom Radio Electr
FR2273419B1 (fr) 1973-01-25 1976-09-10 Trt Telecom Radio Electr
GB1517172A (en) 1974-06-28 1978-07-12 Trt Telecom Radio Electr Telecommunication system
US3971922A (en) * 1974-11-29 1976-07-27 Telecommunications Radioelectriques Et Telephoniques T.R.T. Circuit arrangement for digitally processing a given number of channel signals
NL179620C (nl) 1975-05-29 1986-10-01 Philips Nv Niet-recursief, interpolerend, digitaal filter.
FR2315809A1 (fr) 1975-06-24 1977-01-21 Trt Telecom Radio Electr Systeme de transmission des signaux auxiliaires d'un groupe de voies telephoniques d'un multiplex a repartition en frequence
AU505926B2 (en) 1976-02-24 1979-12-06 Nippon Electric Co. Ltd. Digital ssb-fdm communication system derived froma complex bandpass digital filter bank and bya filter breakdown process
US4013842A (en) 1976-04-15 1977-03-22 Bell Telephone Laboratories, Incorporated Method and apparatus for interfacing digital and analog carrier systems

Also Published As

Publication number Publication date
JPH02904B2 (fr) 1990-01-09
AU510119B2 (en) 1980-06-05
FR2386943B1 (fr) 1983-01-07
CA1109973A (fr) 1981-09-29
DK145778A (da) 1978-10-05
SE437450B (sv) 1985-02-25
DE2811576C2 (de) 1983-12-01
NL7703633A (nl) 1978-10-06
IT1094037B (it) 1985-07-26
SE8404353D0 (sv) 1984-08-31
DE2811576A1 (de) 1978-10-05
IT7821886A0 (it) 1978-03-31
JPS53123615A (en) 1978-10-28
SE436534B (sv) 1984-12-17
JPS60185440A (ja) 1985-09-20
BE865610A (fr) 1978-10-02
CH633923A5 (de) 1982-12-31
NL180369B (nl) 1986-09-01
AU3457078A (en) 1979-10-04
SE7803634L (sv) 1978-11-24
NL180369C (nl) 1987-02-02
BR7802065A (pt) 1978-11-07
GB1571263A (en) 1980-07-09
US4131764A (en) 1978-12-26

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Legal Events

Date Code Title Description
ST Notification of lapse