DE1290564B - Verfahren zur empfaengerseitigen Korrektur von bei traegerfreier UEbertragung digitaler Signale auftretender Frequenzverschiebungen - Google Patents
Verfahren zur empfaengerseitigen Korrektur von bei traegerfreier UEbertragung digitaler Signale auftretender FrequenzverschiebungenInfo
- Publication number
- DE1290564B DE1290564B DE1968J0035796 DEJ0035796A DE1290564B DE 1290564 B DE1290564 B DE 1290564B DE 1968J0035796 DE1968J0035796 DE 1968J0035796 DE J0035796 A DEJ0035796 A DE J0035796A DE 1290564 B DE1290564 B DE 1290564B
- Authority
- DE
- Germany
- Prior art keywords
- frequency
- correction
- transmission
- signal
- spectrum
- 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- Withdrawn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 39
- 238000012937 correction Methods 0.000 title claims description 33
- 238000000034 method Methods 0.000 title claims description 15
- 238000001228 spectrum Methods 0.000 claims description 29
- 230000010363 phase shift Effects 0.000 claims description 8
- 238000000411 transmission spectrum Methods 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000002592 echocardiography Methods 0.000 description 14
- 238000004458 analytical method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- 238000001914 filtration Methods 0.000 description 3
- 238000009795 derivation Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 101100400378 Mus musculus Marveld2 gene Proteins 0.000 description 1
- 235000010678 Paulownia tomentosa Nutrition 0.000 description 1
- 240000002834 Paulownia tomentosa Species 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229910052716 thallium Inorganic materials 0.000 description 1
- 238000012549 training Methods 0.000 description 1
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- 230000007704 transition Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
- H04L25/497—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems by correlative coding, e.g. partial response coding or echo modulation coding transmitters and receivers for partial response systems
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR06008412A FR1533919A (fr) | 1967-03-07 | 1967-03-07 | Système et procédé de correction de la dérive en fréquence d'un signal |
| FR06008411A FR1533918A (fr) | 1967-03-07 | 1967-03-07 | Système et procédé de correction de la dérive en fréquence d'un signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1290564B true DE1290564B (de) | 1969-03-13 |
Family
ID=33133114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1968J0035796 Withdrawn DE1290564B (de) | 1967-03-07 | 1968-02-28 | Verfahren zur empfaengerseitigen Korrektur von bei traegerfreier UEbertragung digitaler Signale auftretender Frequenzverschiebungen |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE1290564B (enrdf_load_stackoverflow) |
| FR (2) | FR1533918A (enrdf_load_stackoverflow) |
| IT (1) | IT649837A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4710891A (en) * | 1983-07-27 | 1987-12-01 | American Telephone And Telegraph Company, At&T Bell Laboratories | Digital synthesis technique for pulses having predetermined time and frequency domain characteristics |
-
0
- IT IT649837D patent/IT649837A/it unknown
-
1967
- 1967-03-07 FR FR06008411A patent/FR1533918A/fr not_active Expired
- 1967-03-07 FR FR06008412A patent/FR1533919A/fr not_active Expired
-
1968
- 1968-02-28 DE DE1968J0035796 patent/DE1290564B/de not_active Withdrawn
Non-Patent Citations (1)
| Title |
|---|
| None * |
Also Published As
| Publication number | Publication date |
|---|---|
| FR1533919A (fr) | 1968-12-06 |
| IT649837A (enrdf_load_stackoverflow) | |
| FR1533918A (fr) | 1968-07-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| E77 | Valid patent as to the heymanns-index 1977 | ||
| EHJ | Ceased/non-payment of the annual fee |