NO872487L - Fremgangsmte for overfing av digitale data ved hjelp av kontinuerlig fasemodulasjon. - Google Patents
Fremgangsmte for overfing av digitale data ved hjelp av kontinuerlig fasemodulasjon.Info
- Publication number
- NO872487L NO872487L NO872487A NO872487A NO872487L NO 872487 L NO872487 L NO 872487L NO 872487 A NO872487 A NO 872487A NO 872487 A NO872487 A NO 872487A NO 872487 L NO872487 L NO 872487L
- Authority
- NO
- Norway
- Prior art keywords
- values
- symbols
- transmission signal
- digital values
- stored
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000005540 biological transmission Effects 0.000 title claims abstract description 20
- 230000006870 function Effects 0.000 claims description 11
- 238000007493 shaping process Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000036962 time dependent Effects 0.000 claims description 2
- 230000010355 oscillation Effects 0.000 claims 1
- 238000003825 pressing Methods 0.000 claims 1
- 238000005070 sampling Methods 0.000 claims 1
- 230000003595 spectral effect Effects 0.000 abstract description 14
- 238000003860 storage Methods 0.000 abstract description 7
- 230000015654 memory Effects 0.000 abstract description 2
- 238000007796 conventional method Methods 0.000 abstract 1
- 239000013598 vector Substances 0.000 description 14
- 238000005457 optimization Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009466 transformation Effects 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
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/20—Modulator circuits; Transmitter circuits
- H04L27/2003—Modulator circuits; Transmitter circuits for continuous phase modulation
- H04L27/2021—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change per symbol period is not constrained
- H04L27/2028—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change per symbol period is not constrained in which the phase changes are non-linear
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Radar Systems Or Details Thereof (AREA)
- Transmitters (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH2539/86A CH670178A5 (sv) | 1986-06-24 | 1986-06-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO872487D0 NO872487D0 (no) | 1987-06-15 |
| NO872487L true NO872487L (no) | 1987-12-28 |
Family
ID=4236071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO872487A NO872487L (no) | 1986-06-24 | 1987-06-15 | Fremgangsmte for overfing av digitale data ved hjelp av kontinuerlig fasemodulasjon. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4750192A (sv) |
| EP (1) | EP0250924B1 (sv) |
| JP (1) | JPS6354848A (sv) |
| AT (1) | ATE79496T1 (sv) |
| CH (1) | CH670178A5 (sv) |
| DE (1) | DE3781046D1 (sv) |
| DK (1) | DK318087A (sv) |
| NO (1) | NO872487L (sv) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4873500A (en) * | 1988-04-29 | 1989-10-10 | Motorola, Inc. | Phase accumulation continuous phase modulator |
| CH677852A5 (sv) * | 1988-12-16 | 1991-06-28 | Asea Brown Boveri | |
| FR2642243B1 (fr) * | 1989-01-24 | 1991-04-19 | Labo Electronique Physique | Circuit de predistorsion adaptative |
| SE463390B (sv) * | 1989-03-13 | 1990-11-12 | Ericsson Telefon Ab L M | Vaagformsgenerator |
| SE465494B (sv) * | 1990-01-22 | 1991-09-16 | Ericsson Telefon Ab L M | Foerfarande att kompensera foer olineariteter i en slutfoerstaerkare |
| FR2675001B1 (fr) * | 1991-04-03 | 1993-07-30 | Matra Communication | Procede et dispositif de modulation numerique a composantes en phase et en quadrature et installation de transmission en comportant application. |
| US5177769A (en) * | 1991-05-03 | 1993-01-05 | Bell Communications Research, Inc. | Digital circuits for generating signal sequences for linear TDMA systems |
| US5177455A (en) * | 1992-01-22 | 1993-01-05 | Mpr Teltech Ltd. | Digital phase and amplitude modulator |
| US5329260A (en) * | 1992-07-17 | 1994-07-12 | Ii Morrow Inc. | Numerically-controlled modulated oscillator and modulation method |
| US5633893A (en) * | 1994-09-29 | 1997-05-27 | Ericsson Inc. | Digital modulation method with controlled envelope variation |
| US5841817A (en) * | 1995-10-27 | 1998-11-24 | Adc Telecommunications, Inc. | Apparatus and methods for signal recovery in a digital communication system |
| US6487242B1 (en) * | 1996-03-08 | 2002-11-26 | Vlsi Technology, Inc. | Method and apparatus for VCO modulation in a communication system |
| GB2349317A (en) * | 1998-01-21 | 2000-10-25 | Nokia Mobile Phones Ltd | Pulse shaping which compensates for component distortion |
| GB2337670B (en) * | 1998-01-21 | 2003-08-27 | Nokia Mobile Phones Ltd | Method and Apparatus for Generating a Pulse Function |
| GB2333673A (en) * | 1998-01-21 | 1999-07-28 | Nokia Mobile Phones Ltd | Despreading a signal which has been spread by a code and modulated according to a non-linear modulation scheme |
| US6430232B1 (en) * | 1999-01-26 | 2002-08-06 | Trw Inc. | Phase constellation modulator |
| GB2351633A (en) * | 1999-07-01 | 2001-01-03 | Nokia Mobile Phones Ltd | Optimising pulse shaping for radio telephones |
| US20040239415A1 (en) * | 2003-05-27 | 2004-12-02 | Bishop Christopher Brent | Methods of predicting power spectral density of a modulated signal and of a multi-h continuous phase modulated signal |
| US8711956B2 (en) | 2011-02-07 | 2014-04-29 | Harris Corporation | Modified continuous phase modulation communications system and related methods |
| US10957445B2 (en) | 2017-10-05 | 2021-03-23 | Hill-Rom Services, Inc. | Caregiver and staff information system |
| WO2019199650A1 (en) | 2018-04-12 | 2019-10-17 | Raytheon Company | Phase change detection in optical signals |
| US10554306B1 (en) | 2019-03-13 | 2020-02-04 | Raytheon Company | Constant envelope path-dependent phase modulation |
| US11411654B1 (en) | 2021-03-24 | 2022-08-09 | Raytheon Company | Method for generating a constant envelope waveform when encoding multiple sub channels on the same carrier |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4404532A (en) * | 1978-09-29 | 1983-09-13 | Communications Satellite Corporation | Modulator having improved bandwidth and power requirements |
| NL189588C (nl) * | 1981-04-01 | 1993-05-17 | Philips Nv | Zender voor hoekgemoduleerde signalen. |
| US4405912A (en) * | 1982-01-28 | 1983-09-20 | General Motors Corporation | Solenoid assembly and method of making same |
| US4556869A (en) * | 1983-06-08 | 1985-12-03 | At&T Bell Laboratories | Multi-function data signal processing method and apparatus |
| JPS60194310U (ja) * | 1984-06-01 | 1985-12-24 | 愛三工業株式会社 | 電磁燃料噴射器のソレノイド |
-
1986
- 1986-06-24 CH CH2539/86A patent/CH670178A5/de not_active IP Right Cessation
-
1987
- 1987-06-05 EP EP87108145A patent/EP0250924B1/de not_active Expired - Lifetime
- 1987-06-05 AT AT87108145T patent/ATE79496T1/de not_active IP Right Cessation
- 1987-06-05 DE DE8787108145T patent/DE3781046D1/de not_active Expired - Lifetime
- 1987-06-15 NO NO872487A patent/NO872487L/no unknown
- 1987-06-22 DK DK318087A patent/DK318087A/da not_active Application Discontinuation
- 1987-06-22 US US07/064,571 patent/US4750192A/en not_active Expired - Lifetime
- 1987-06-22 JP JP62153598A patent/JPS6354848A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6354848A (ja) | 1988-03-09 |
| US4750192A (en) | 1988-06-07 |
| DK318087D0 (da) | 1987-06-22 |
| DK318087A (da) | 1987-12-25 |
| CH670178A5 (sv) | 1989-05-12 |
| NO872487D0 (no) | 1987-06-15 |
| ATE79496T1 (de) | 1992-08-15 |
| EP0250924A1 (de) | 1988-01-07 |
| DE3781046D1 (de) | 1992-09-17 |
| EP0250924B1 (de) | 1992-08-12 |
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