FI870240A - Foerfarande foer oeverfoering av digitala data. - Google Patents
Foerfarande foer oeverfoering av digitala data. Download PDFInfo
- Publication number
- FI870240A FI870240A FI870240A FI870240A FI870240A FI 870240 A FI870240 A FI 870240A FI 870240 A FI870240 A FI 870240A FI 870240 A FI870240 A FI 870240A FI 870240 A FI870240 A FI 870240A
- Authority
- FI
- Finland
- Prior art keywords
- digitala
- data
- foerfarande foer
- foer oeverfoering
- oeverfoering
- Prior art date
Links
Classifications
-
- 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
- H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/713—Spread spectrum techniques using frequency hopping
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/713—Spread spectrum techniques using frequency hopping
- H04B1/715—Interference-related aspects
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH244/86A CH671128A5 (fi) | 1986-01-22 | 1986-01-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
FI870240A0 FI870240A0 (fi) | 1987-01-21 |
FI870240A true FI870240A (fi) | 1987-07-23 |
Family
ID=4182582
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI870240A FI870240A (fi) | 1986-01-22 | 1987-01-21 | Foerfarande foer oeverfoering av digitala data. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4774716A (fi) |
EP (1) | EP0236558A1 (fi) |
JP (1) | JPS62179234A (fi) |
CA (1) | CA1261397A (fi) |
CH (1) | CH671128A5 (fi) |
FI (1) | FI870240A (fi) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4888788A (en) * | 1986-11-20 | 1989-12-19 | Matsushita Electric Industrial Co., Ltd. | Transmitting and receiving systems |
FR2625856B1 (fr) * | 1988-01-08 | 1990-05-04 | Thomson Csf | Procede et dispositif de demodulation de donnees numeriques transmises en evasion de frequence sur un canal de transmission ionospherique |
CH677568A5 (fi) * | 1989-03-21 | 1991-05-31 | Datawatt Bv | |
US5694108A (en) * | 1996-05-01 | 1997-12-02 | Abb Power T&D Company Inc. | Apparatus and methods for power network coupling |
US5978371A (en) * | 1997-03-31 | 1999-11-02 | Abb Power T&D Company Inc. | Communications module base repeater |
US5933073A (en) * | 1997-07-07 | 1999-08-03 | Abb Power T&D Company Inc. | Apparatus and methods for power network coupling |
GB2415113B (en) * | 2004-06-12 | 2006-10-18 | Sonardyne Internat Ltd | Robust underwater communication system |
KR20110111805A (ko) * | 2010-04-05 | 2011-10-12 | 삼성전자주식회사 | 잔류 측파대 신호를 처리하는 수신기 및 그것의 등화 방법 |
DE102017206258A1 (de) * | 2017-04-11 | 2018-10-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Sender und empfänger und entsprechende verfahren |
US10348361B2 (en) * | 2017-09-29 | 2019-07-09 | Rohde & Schwarz Gmbh & Co. Kg | Measuring device and method for phase-coherent analysis of frequency-hopping signals |
CN111800146B (zh) * | 2020-07-31 | 2021-08-13 | 四川大学 | 多频子信道阵列通信系统发射装置、接收装置及系统 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4066964A (en) * | 1967-01-06 | 1978-01-03 | Rockwell International Corporation | Communication system |
US3795865A (en) * | 1972-02-23 | 1974-03-05 | Honeywell Inf Systems | Automated real time equalized modem |
US4179586A (en) * | 1972-08-02 | 1979-12-18 | The United States Of America As Represented By The Secretary Of The Army | System of encoded speech transmission and reception |
JPS538445B2 (fi) * | 1973-03-28 | 1978-03-29 | ||
US4466108A (en) * | 1981-10-06 | 1984-08-14 | Communications Satellite Corporation | TDMA/PSK Carrier synchronization without preamble |
US4550414A (en) * | 1983-04-12 | 1985-10-29 | Charles Stark Draper Laboratory, Inc. | Spread spectrum adaptive code tracker |
US4583048A (en) * | 1985-02-26 | 1986-04-15 | Rca Corporation | MSK digital demodulator for burst communications |
-
1986
- 1986-01-22 CH CH244/86A patent/CH671128A5/de not_active IP Right Cessation
- 1986-11-24 EP EP86116279A patent/EP0236558A1/de not_active Withdrawn
- 1986-12-08 US US06/938,958 patent/US4774716A/en not_active Expired - Fee Related
- 1986-12-10 CA CA000524980A patent/CA1261397A/en not_active Expired
-
1987
- 1987-01-20 JP JP62011193A patent/JPS62179234A/ja active Pending
- 1987-01-21 FI FI870240A patent/FI870240A/fi not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
JPS62179234A (ja) | 1987-08-06 |
FI870240A0 (fi) | 1987-01-21 |
US4774716A (en) | 1988-09-27 |
EP0236558A1 (de) | 1987-09-16 |
CA1261397A (en) | 1989-09-26 |
CH671128A5 (fi) | 1989-07-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FA | Application withdrawn |
Owner name: BBC AKTIENGESELLSCHAFT BROWN, BOVERI & CIE. |