FR2342597A1 - Dispositif de telecommunications numerique multiplexe par division en frequence et a bande laterale unique - Google Patents
Dispositif de telecommunications numerique multiplexe par division en frequence et a bande laterale uniqueInfo
- Publication number
- FR2342597A1 FR2342597A1 FR7705319A FR7705319A FR2342597A1 FR 2342597 A1 FR2342597 A1 FR 2342597A1 FR 7705319 A FR7705319 A FR 7705319A FR 7705319 A FR7705319 A FR 7705319A FR 2342597 A1 FR2342597 A1 FR 2342597A1
- Authority
- FR
- France
- Prior art keywords
- frequency division
- telecommunications device
- single sideband
- digital telecommunications
- multiplex digital
- 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
Links
Classifications
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J4/00—Combined time-division and frequency-division multiplex systems
- H04J4/005—Transmultiplexing
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Complex Calculations (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1932876A JPS5831061B2 (ja) | 1976-02-24 | 1976-02-24 | デイジタル処理による単側帯波周波数分割多重方式 |
JP5417976A JPS5831059B2 (ja) | 1976-05-12 | 1976-05-12 | 単側帯波周波数分割多重信号復調方式 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2342597A1 true FR2342597A1 (fr) | 1977-09-23 |
FR2342597B1 FR2342597B1 (fr) | 1981-08-21 |
Family
ID=26356158
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7705319A Granted FR2342597A1 (fr) | 1976-02-24 | 1977-02-23 | Dispositif de telecommunications numerique multiplexe par division en frequence et a bande laterale unique |
Country Status (7)
Country | Link |
---|---|
US (1) | US4107470A (fr) |
AU (1) | AU505926B2 (fr) |
CA (1) | CA1090492A (fr) |
DE (1) | DE2707936C3 (fr) |
FR (1) | FR2342597A1 (fr) |
GB (1) | GB1517675A (fr) |
IT (1) | IT1115744B (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0280161A2 (fr) * | 1987-02-17 | 1988-08-31 | Nec Corporation | Dispositif de démultiplexage FDM utilisant des filtres numériques suréchantillonnés |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL180369C (nl) * | 1977-04-04 | 1987-02-02 | Philips Nv | Inrichting voor het omzetten van discrete signalen in een discreet enkelzijband frequentie-multiplex-signaal en omgekeerd. |
JPS56161734A (en) * | 1980-05-16 | 1981-12-12 | Nec Corp | Interface device for pcm signal |
US4358853A (en) * | 1981-01-22 | 1982-11-09 | Codex Corporation | Digital modem transmitter |
US5101432A (en) * | 1986-03-17 | 1992-03-31 | Cardinal Encryption Systems Ltd. | Signal encryption |
US5293382A (en) * | 1993-03-01 | 1994-03-08 | Motorola, Inc. | Method for FDMA signal multiplexing and demultiplexing |
US6334219B1 (en) | 1994-09-26 | 2001-12-25 | Adc Telecommunications Inc. | Channel selection for a hybrid fiber coax network |
USRE42236E1 (en) | 1995-02-06 | 2011-03-22 | Adc Telecommunications, Inc. | Multiuse subcarriers in multipoint-to-point communication using orthogonal frequency division multiplexing |
US7280564B1 (en) | 1995-02-06 | 2007-10-09 | Adc Telecommunications, Inc. | Synchronization techniques in multipoint-to-point communication using orthgonal frequency division multiplexing |
US5822323A (en) * | 1995-09-29 | 1998-10-13 | Victor Company Of Japan, Ltd. | Frequency division multiplexed signal generating apparatus and related decoding apparatus |
US6028769A (en) * | 1996-05-20 | 2000-02-22 | Adc Telecommunication, Inc. | Multiple integrated service unit for communication system |
US5926455A (en) * | 1996-12-19 | 1999-07-20 | Lucent Technologies Inc. | Recursive filters for polyphase structures |
US7095781B1 (en) | 1999-11-24 | 2006-08-22 | Northrop Grumman Corporation | Polyphase filter with stack shift capability |
US6996198B2 (en) | 2000-10-27 | 2006-02-07 | At&T Corp. | Nonuniform oversampled filter banks for audio signal processing |
US7042959B2 (en) * | 2002-02-20 | 2006-05-09 | Thomson Licensing | DSP-based variable aperture code generation technique |
US8798129B2 (en) * | 2012-01-04 | 2014-08-05 | Lsi Corporation | Biquad infinite impulse response system transformation |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3605019A (en) * | 1969-01-15 | 1971-09-14 | Ibm | Selective fading transformer |
FR2188920A5 (fr) * | 1972-06-15 | 1974-01-18 | Trt Telecom Radio Electr | |
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 |
-
1977
- 1977-02-22 GB GB7470/77A patent/GB1517675A/en not_active Expired
- 1977-02-22 AU AU22539/77A patent/AU505926B2/en not_active Expired
- 1977-02-22 US US05/770,426 patent/US4107470A/en not_active Expired - Lifetime
- 1977-02-23 IT IT20620/77A patent/IT1115744B/it active
- 1977-02-23 FR FR7705319A patent/FR2342597A1/fr active Granted
- 1977-02-23 CA CA272,405A patent/CA1090492A/fr not_active Expired
- 1977-02-24 DE DE2707936A patent/DE2707936C3/de not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0280161A2 (fr) * | 1987-02-17 | 1988-08-31 | Nec Corporation | Dispositif de démultiplexage FDM utilisant des filtres numériques suréchantillonnés |
EP0280161A3 (en) * | 1987-02-17 | 1990-12-12 | Nec Corporation | Fdm demultiplexer using oversampled digital filters |
Also Published As
Publication number | Publication date |
---|---|
IT1115744B (it) | 1986-02-03 |
GB1517675A (en) | 1978-07-12 |
DE2707936C3 (de) | 1980-09-04 |
DE2707936B2 (de) | 1980-01-10 |
DE2707936A1 (de) | 1977-09-01 |
FR2342597B1 (fr) | 1981-08-21 |
CA1090492A (fr) | 1980-11-25 |
AU2253977A (en) | 1978-08-31 |
US4107470A (en) | 1978-08-15 |
AU505926B2 (en) | 1979-12-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2342597A1 (fr) | Dispositif de telecommunications numerique multiplexe par division en frequence et a bande laterale unique | |
IT1108049B (it) | Trasmultiplatore di segnali a divisione di frequenza divisione di tempo | |
FR2345032A1 (fr) | Dispositif de synchronisation de television | |
BE814865A (fr) | Dispositif de telecommunications a division de frequence et division temporelle | |
NL7703927A (nl) | Televisie-synchronisatiesignaalgenerator. | |
FR2345849A2 (fr) | Transducteur multiplexe | |
SE7810200L (sv) | Sett och anordning for att utvinna en synkroniseringssignal fran inkommande pcm signal | |
BE865610A (fr) | Dispositif pour convertir des signaux discrets en un signal multiplex de frequence a bande laterale unique discret et vice versa | |
DK561477A (da) | Fremgangsmaade til rammesynkronisering af et tidsmultiplekssystem | |
IT1081152B (it) | Dispositivo generatore di tempo musiclae rispondente a tocco digitale | |
BE860842A (fr) | Dispositif de multiplexage numerique de trains plesiochrones | |
FR2352437A1 (fr) | Dispositif de modulation de frequence | |
JPS5286029A (en) | Variable frequency clock signal generator | |
FR2315807A1 (fr) | Dispositif de telecommunications a haute frequence | |
JPS539514A (en) | Pulse modulating system for digital musical tone synthesizer | |
IT1088081B (it) | Dispositivo per la distribuzione di segnali a tempo | |
BR7702763A (pt) | Sistema de transmissao multiplex de divisao de tempo | |
SE414103B (sv) | Anordning for atersynkronisering av en mottagare for tidsmultiplexsignaler | |
NL7805386A (nl) | Synchronisatiesignaalgenerator. | |
BE863211A (fr) | Dispositif comparateur de phase numerique | |
FR2281017A1 (fr) | Dispositif de telecommunications a division temporelle | |
DK475277A (da) | Impulsmoduleret hoejfrekvenssender | |
FR2333381A1 (fr) | Discriminateur a modulation de frequence | |
BR7800284A (pt) | Estacao de telecomunicacoes controlada por processador multiplex de divisao de tempo | |
PL207704A1 (pl) | Sposob i urzadzenie do wytwarzania przebiegu zlozonego z cyfrowego sygnalu wzbudzenia |