DE2752468C2 - - Google Patents
Info
- Publication number
- DE2752468C2 DE2752468C2 DE19772752468 DE2752468A DE2752468C2 DE 2752468 C2 DE2752468 C2 DE 2752468C2 DE 19772752468 DE19772752468 DE 19772752468 DE 2752468 A DE2752468 A DE 2752468A DE 2752468 C2 DE2752468 C2 DE 2752468C2
- Authority
- DE
- Germany
- Prior art keywords
- phase
- values
- phase difference
- amplitude
- value
- 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.)
- Expired
Links
- 238000000034 method Methods 0.000 claims description 15
- 230000010355 oscillation Effects 0.000 claims description 9
- 230000006870 function Effects 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 238000012935 Averaging Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000005070 sampling Methods 0.000 claims description 2
- 230000002596 correlated effect Effects 0.000 claims 1
- 230000036651 mood Effects 0.000 claims 1
- 230000010363 phase shift Effects 0.000 claims 1
- 230000003068 static effect Effects 0.000 claims 1
- 238000011156 evaluation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 2
- SGTNSNPWRIOYBX-UHFFFAOYSA-N 2-(3,4-dimethoxyphenyl)-5-{[2-(3,4-dimethoxyphenyl)ethyl](methyl)amino}-2-(propan-2-yl)pentanenitrile Chemical compound C1=C(OC)C(OC)=CC=C1CCN(C)CCCC(C#N)(C(C)C)C1=CC=C(OC)C(OC)=C1 SGTNSNPWRIOYBX-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011157 data evaluation Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0012—Modulated-carrier systems arrangements for identifying the type of modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Circuits Of Receivers In General (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19772752468 DE2752468A1 (de) | 1977-11-24 | 1977-11-24 | Verfahren zur automatischen erkennung phasengetasteter signale mit unbekannten parametern |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19772752468 DE2752468A1 (de) | 1977-11-24 | 1977-11-24 | Verfahren zur automatischen erkennung phasengetasteter signale mit unbekannten parametern |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2752468A1 DE2752468A1 (de) | 1979-05-31 |
| DE2752468C2 true DE2752468C2 (enrdf_load_stackoverflow) | 1987-11-19 |
Family
ID=6024527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19772752468 Granted DE2752468A1 (de) | 1977-11-24 | 1977-11-24 | Verfahren zur automatischen erkennung phasengetasteter signale mit unbekannten parametern |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE2752468A1 (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3915779A1 (de) * | 1989-05-13 | 1990-11-15 | Telefunken Systemtechnik | Einrichtung zur erkennung phasengetasteter signale |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4933958A (en) * | 1987-12-17 | 1990-06-12 | Siemens Aktiengesellschaft | Method for receiving carrier oscillations modulated with a useful signal |
| US5017883A (en) * | 1990-07-31 | 1991-05-21 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Multiple symbol differential detection |
| DE19814770C1 (de) * | 1998-04-02 | 1999-09-23 | Rohde & Schwarz | Verfahren zur automatischen taktfreien Erkennung von Signal-Modulationsarten |
| US6463107B1 (en) | 1999-07-01 | 2002-10-08 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods and apparatuses for synchronization and modulation type detection |
-
1977
- 1977-11-24 DE DE19772752468 patent/DE2752468A1/de active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3915779A1 (de) * | 1989-05-13 | 1990-11-15 | Telefunken Systemtechnik | Einrichtung zur erkennung phasengetasteter signale |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2752468A1 (de) | 1979-05-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8127 | New person/name/address of the applicant |
Owner name: LICENTIA PATENT-VERWALTUNGS-GMBH, 6000 FRANKFURT, |
|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: TELEFUNKEN SYSTEMTECHNIK GMBH, 7900 ULM, DE |
|
| 8320 | Willingness to grant licenses declared (paragraph 23) |