DE3130042A1 - Vorrichtung fuer die einseitenband-multiplexuebertragung durch digitalverarbeitung - Google Patents
Vorrichtung fuer die einseitenband-multiplexuebertragung durch digitalverarbeitungInfo
- Publication number
- DE3130042A1 DE3130042A1 DE19813130042 DE3130042A DE3130042A1 DE 3130042 A1 DE3130042 A1 DE 3130042A1 DE 19813130042 DE19813130042 DE 19813130042 DE 3130042 A DE3130042 A DE 3130042A DE 3130042 A1 DE3130042 A1 DE 3130042A1
- Authority
- DE
- Germany
- Prior art keywords
- frequency
- signals
- signal
- filter
- filters
- 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.)
- Withdrawn
Links
- 230000005540 biological transmission Effects 0.000 title claims description 17
- 238000012545 processing Methods 0.000 title claims description 14
- 238000005070 sampling Methods 0.000 claims description 109
- 238000001228 spectrum Methods 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 19
- 230000008569 process Effects 0.000 claims description 15
- 230000000737 periodic effect Effects 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 230000003993 interaction Effects 0.000 claims description 5
- 230000007423 decrease Effects 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 3
- 230000002123 temporal effect Effects 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000008054 signal transmission Effects 0.000 claims description 2
- 230000006870 function Effects 0.000 description 33
- 238000001914 filtration Methods 0.000 description 11
- 230000008859 change Effects 0.000 description 9
- 230000014509 gene expression Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000003775 Density Functional Theory Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- BTCSSZJGUNDROE-UHFFFAOYSA-N gamma-aminobutyric acid Chemical compound NCCCC(O)=O BTCSSZJGUNDROE-UHFFFAOYSA-N 0.000 description 1
- 230000036515 potency Effects 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 230000007704 transition Effects 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)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Amplitude Modulation (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 (1)
| Publication Number | Publication Date |
|---|---|
| DE3130042A1 true DE3130042A1 (de) | 1982-04-22 |
Family
ID=11210024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19813130042 Withdrawn DE3130042A1 (de) | 1980-07-30 | 1981-07-30 | Vorrichtung fuer die einseitenband-multiplexuebertragung durch digitalverarbeitung |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE3130042A1 (enExample) |
| FR (1) | FR2488088A1 (enExample) |
| GB (1) | GB2082425B (enExample) |
| IT (1) | IT1132026B (enExample) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4219357A1 (de) * | 1991-06-13 | 1993-01-21 | Hughes Aircraft Co | Digitaler empfaenger fuer mehrere simulananwender und digitales empfangsverfahren |
| 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 |
Families Citing this family (1)
| 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 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3676598A (en) * | 1970-06-08 | 1972-07-11 | Bell Telephone Labor Inc | Frequency division multiplex single-sideband modulation system |
| FR2188920A5 (enExample) * | 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 |
| US4199660A (en) * | 1977-11-07 | 1980-04-22 | Communications Satellite Corporation | 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
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4219357A1 (de) * | 1991-06-13 | 1993-01-21 | Hughes Aircraft Co | Digitaler empfaenger fuer mehrere simulananwender und digitales empfangsverfahren |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2488088B1 (enExample) | 1984-12-14 |
| IT1132026B (it) | 1986-06-25 |
| IT8023791A0 (it) | 1980-07-30 |
| GB2082425A (en) | 1982-03-03 |
| FR2488088A1 (fr) | 1982-02-05 |
| GB2082425B (en) | 1985-01-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8141 | Disposal/no request for examination |