FR2488088A1 - Equipement de multiplexage en bande laterale unique par l'intermediaire d'un traitement numerique - Google Patents
Equipement de multiplexage en bande laterale unique par l'intermediaire d'un traitement numerique Download PDFInfo
- Publication number
- FR2488088A1 FR2488088A1 FR8114712A FR8114712A FR2488088A1 FR 2488088 A1 FR2488088 A1 FR 2488088A1 FR 8114712 A FR8114712 A FR 8114712A FR 8114712 A FR8114712 A FR 8114712A FR 2488088 A1 FR2488088 A1 FR 2488088A1
- Authority
- FR
- France
- Prior art keywords
- signals
- frequency
- samples
- filters
- 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
Links
- 238000012545 processing Methods 0.000 title abstract description 9
- 238000001914 filtration Methods 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims abstract description 26
- 230000009466 transformation Effects 0.000 claims abstract description 24
- 230000008569 process Effects 0.000 claims abstract description 22
- 238000005070 sampling Methods 0.000 claims abstract description 13
- 230000006870 function Effects 0.000 claims description 32
- 238000001228 spectrum Methods 0.000 claims description 29
- 230000003993 interaction Effects 0.000 claims description 5
- 230000004044 response Effects 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract 1
- 230000014509 gene expression Effects 0.000 description 28
- 239000000523 sample Substances 0.000 description 12
- 230000000306 recurrent effect Effects 0.000 description 11
- 238000000354 decomposition reaction Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 230000000737 periodic effect Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000002123 temporal effect Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000000116 mitigating effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012552 review Methods 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 238000000844 transformation Methods 0.000 description 2
- 102000016550 Complement Factor H Human genes 0.000 description 1
- 108010053085 Complement Factor H Proteins 0.000 description 1
- 238000003775 Density Functional Theory Methods 0.000 description 1
- 241001125671 Eretmochelys imbricata Species 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Classifications
-
- 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)
- Amplitude Modulation (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT23791/80A IT1132026B (it) | 1980-07-30 | 1980-07-30 | Apparato per multiplazione in frequenza a banda laterale unica e a mezzo di elaborazione numerica |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2488088A1 true FR2488088A1 (fr) | 1982-02-05 |
| FR2488088B1 FR2488088B1 (enrdf_load_stackoverflow) | 1984-12-14 |
Family
ID=11210024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8114712A Granted FR2488088A1 (fr) | 1980-07-30 | 1981-07-29 | Equipement de multiplexage en bande laterale unique par l'intermediaire d'un traitement numerique |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE3130042A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2488088A1 (enrdf_load_stackoverflow) |
| GB (1) | GB2082425B (enrdf_load_stackoverflow) |
| IT (1) | IT1132026B (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1190886B (it) * | 1982-06-23 | 1988-02-24 | Telettra Lab Telefon | Sistema ed apparati di multiplazione con modulazione a banda laterale unica per via digitale |
| CA2066851C (en) * | 1991-06-13 | 1996-08-06 | Edwin A. Kelley | Multiple user digital receiver apparatus and method with combined multiple frequency channels |
| DE19627274C1 (de) * | 1996-07-06 | 1997-12-04 | Bosch Gmbh Robert | Signalverarbeitungsvorrichtung |
| DE19627786A1 (de) * | 1996-07-10 | 1998-01-15 | Bosch Gmbh Robert | Digitale Signalverarbeitungseinrichtung |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2096020A5 (enrdf_load_stackoverflow) * | 1970-06-08 | 1972-02-11 | Western Electric Co | |
| FR2188920A5 (enrdf_load_stackoverflow) * | 1972-06-15 | 1974-01-18 | Trt Telecom Radio Electr | |
| GB1520805A (en) * | 1976-04-15 | 1978-08-09 | Plessey Co Ltd | Converting time division multiplex signals to frequency division multiplex signals |
| US4131766A (en) * | 1977-07-11 | 1978-12-26 | Granger Associates | Digital filter bank |
| WO1979000271A1 (en) * | 1977-11-07 | 1979-05-17 | Communications Satellite Corp | Fdm/tdm transmultiplexer |
-
1980
- 1980-07-30 IT IT23791/80A patent/IT1132026B/it active
-
1981
- 1981-07-24 GB GB8122972A patent/GB2082425B/en not_active Expired
- 1981-07-29 FR FR8114712A patent/FR2488088A1/fr active Granted
- 1981-07-30 DE DE19813130042 patent/DE3130042A1/de not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2096020A5 (enrdf_load_stackoverflow) * | 1970-06-08 | 1972-02-11 | Western Electric Co | |
| FR2188920A5 (enrdf_load_stackoverflow) * | 1972-06-15 | 1974-01-18 | Trt Telecom Radio Electr | |
| GB1520805A (en) * | 1976-04-15 | 1978-08-09 | Plessey Co Ltd | Converting time division multiplex signals to frequency division multiplex signals |
| US4131766A (en) * | 1977-07-11 | 1978-12-26 | Granger Associates | Digital filter bank |
| WO1979000271A1 (en) * | 1977-11-07 | 1979-05-17 | Communications Satellite Corp | Fdm/tdm transmultiplexer |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1132026B (it) | 1986-06-25 |
| IT8023791A0 (it) | 1980-07-30 |
| GB2082425A (en) | 1982-03-03 |
| GB2082425B (en) | 1985-01-09 |
| DE3130042A1 (de) | 1982-04-22 |
| FR2488088B1 (enrdf_load_stackoverflow) | 1984-12-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0190796B1 (fr) | Système de bancs de filtres d'analyse et de synthèse d'un signal | |
| EP1035699B1 (fr) | Méthode pour isoler une fréquence bloc à partir d'un signal formaté en blocs | |
| FR2498398A1 (fr) | Modulateur de donnees pour un modem | |
| FR2587819A1 (fr) | Dispositif de calcul d'une transformee de fourier discrete, glissante et non recursive, et son application a un systeme radar | |
| FR2740284A1 (fr) | Procede de filtrage numerique large bande et filtre mettant en oeuvre le procede | |
| FR2484744A1 (fr) | Circuits de filtrage numerique diminuant le debit de mots d'un signal numerique du type utilise dans les systemes telephoniques a commutation numerique, filtres numeriques utilises et joncteur de ligne equipe de tels circuits | |
| CA1263756A (fr) | Dispositif de calcul d'une transformee de fourier discrete et son application a la compression d'impulsion dans un systeme radar | |
| FR2476943A1 (fr) | Procede et appareil pour transmettre des donnees dans un format de correction d'erreur | |
| WO2016124841A1 (fr) | Procédé et dispositif de modulation de phase d'une onde porteuse et application à la détection de signaux numériques multi-niveaux codés en phase | |
| FR3049131A1 (fr) | Procede de filtrage d'un signal d'entree numerique et filtre associe | |
| FR2935856A1 (fr) | Systeme de transmission numerique multiporteuse d'un signal utilisant des bancs de filtres et le prechargement de memoires pour l'initialisation | |
| US4412325A (en) | Equipment for single band multiplexing through digital processing | |
| EP0595710A1 (fr) | Procédé et dispositif de segmentation en sous-bandes et de reconstruction d'un signal numérique, et dispositif correspondant | |
| FR2582893A1 (fr) | Circuit d'elaboration des signaux analogiques de couleurs primaires d'un signal de television a partir de ses composantes numeriques de luminance et de chrominance. | |
| EP0312463B1 (fr) | Dispositif de filtrage numérique, et radar comportant un tel dispositif | |
| Maruta et al. | An improved method for digital SSB-FDM modulation and demodulation | |
| FR2488088A1 (fr) | Equipement de multiplexage en bande laterale unique par l'intermediaire d'un traitement numerique | |
| FR3050344A1 (fr) | Emetteur pour systeme fbmc a codage spatio-temporel de type alamouti par blocs | |
| WO2001024470A1 (fr) | Procede de transmission d'un signal multiporteuse biorthogonal module avec offset (bfdm/om) | |
| FR2653959A1 (fr) | Procede et dispositif de modulation numerique a composantes en phase et en quadrature. | |
| WO2010072963A1 (fr) | Decomposition polyphase d ' un banc de filtres pour ofdm surechantillonne | |
| FR2759514A1 (fr) | Dispositif et procede numeriques de filtrage, decimation et transposition en bande de base repartie, et demodulateur numerique correspondant | |
| FR2765757A1 (fr) | Procede et dispositif de modulation d'un signal multiporteuse de type ofdm/oqam, et procede et dispositif de demodulation correspondants | |
| FR2481024A1 (fr) | Circuit predicteur adaptatif utilisant un filtre en treillis et dispositif de codage ou de decodage mic differentiel correspondant | |
| EP0285495A1 (fr) | Système de traitement numérique de signal à bancs de filtres |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |