DE3689353D1 - Phasenrotation von Signalen. - Google Patents
Phasenrotation von Signalen.Info
- Publication number
- DE3689353D1 DE3689353D1 DE86307657T DE3689353T DE3689353D1 DE 3689353 D1 DE3689353 D1 DE 3689353D1 DE 86307657 T DE86307657 T DE 86307657T DE 3689353 T DE3689353 T DE 3689353T DE 3689353 D1 DE3689353 D1 DE 3689353D1
- Authority
- DE
- Germany
- Prior art keywords
- signals
- phase rotation
- phase
- rotation
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
- G01S19/29—Acquisition or tracking or demodulation of signals transmitted by the system carrier including Doppler, related
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/02—Digital function generators
- G06F1/03—Digital function generators working, at least partly, by table look-up
- G06F1/035—Reduction of table size
- G06F1/0353—Reduction of table size by using symmetrical properties of the function, e.g. using most significant bits for quadrant control
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Engineering & Computer Science (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8525702A GB2181907B (en) | 1985-10-18 | 1985-10-18 | Phase rotation of signals |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3689353D1 true DE3689353D1 (de) | 1994-01-13 |
DE3689353T2 DE3689353T2 (de) | 1994-03-17 |
Family
ID=10586863
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE86307657T Expired - Fee Related DE3689353T2 (de) | 1985-10-18 | 1986-10-03 | Phasenrotation von Signalen. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4796188A (de) |
EP (1) | EP0220005B1 (de) |
CA (1) | CA1261949A (de) |
DE (1) | DE3689353T2 (de) |
GB (1) | GB2181907B (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5333110A (en) * | 1991-12-27 | 1994-07-26 | Chrysler Corporation | Electronic magnetic compass system and method for interpreting directions of a vehicle |
DE4317152C2 (de) * | 1993-05-24 | 1995-11-30 | Mathaeus Dipl Ing Alberti | Phasenschieber für adaptive Gruppenantennen |
TW265433B (de) * | 1993-07-16 | 1995-12-11 | Philips Electronics Nv | |
US5497400A (en) * | 1993-12-06 | 1996-03-05 | Motorola, Inc. | Decision feedback demodulator with phase and frequency estimation |
US5504453A (en) * | 1994-10-14 | 1996-04-02 | Hughes Aircraft Company | Method and device for estimating phase error |
AUPN455695A0 (en) * | 1995-08-01 | 1995-08-24 | Canon Kabushiki Kaisha | Qam spread spectrum demodulation system |
JP3091120B2 (ja) * | 1995-08-16 | 2000-09-25 | 三菱電機株式会社 | Qpsk復調装置 |
KR100202956B1 (ko) * | 1996-12-26 | 1999-06-15 | 전주범 | 디지털 신호 처리 시스템에서의 삼각 합수 룩업 테이블 액세스 방법 및 장치 |
US5978379A (en) * | 1997-01-23 | 1999-11-02 | Gadzoox Networks, Inc. | Fiber channel learning bridge, learning half bridge, and protocol |
US7430171B2 (en) | 1998-11-19 | 2008-09-30 | Broadcom Corporation | Fibre channel arbitrated loop bufferless switch circuitry to increase bandwidth without significant increase in cost |
US20010055348A1 (en) * | 2000-03-31 | 2001-12-27 | Anderson Christopher L. | Sequential quadrant demodulation of digitally modulated radio signals |
US6711391B1 (en) | 2000-10-10 | 2004-03-23 | Qualcomm, Incorporated | Gain linearizer for variable gain amplifiers |
US6748011B2 (en) * | 2001-01-09 | 2004-06-08 | Qualcomm, Incorporated | Efficient multicarrier filter |
US7760833B1 (en) * | 2005-02-17 | 2010-07-20 | Analog Devices, Inc. | Quadrature demodulation with phase shift |
US7486145B2 (en) * | 2007-01-10 | 2009-02-03 | International Business Machines Corporation | Circuits and methods for implementing sub-integer-N frequency dividers using phase rotators |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3767905A (en) * | 1971-05-12 | 1973-10-23 | Solartron Electronic Group | Addressable memory fft processor with exponential term generation |
US3927312A (en) * | 1974-10-31 | 1975-12-16 | Us Army | Vector rotator |
US4231102A (en) * | 1978-12-21 | 1980-10-28 | Raytheon Company | Cordic FFT processor |
US4298959A (en) * | 1979-11-23 | 1981-11-03 | United Technologies Corporation | Digital information transfer system (DITS) receiver |
US4485383A (en) * | 1980-12-01 | 1984-11-27 | Texas Instruments Incorporated | Global position system (GPS) multiplexed receiver |
ES509037A0 (es) * | 1981-01-26 | 1983-02-01 | Rca Corp | "perfeccionamientos introducidos en una disposicion de tratamiento de senales digitales". |
EP0083480B1 (de) * | 1981-12-31 | 1988-08-17 | The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and | Empfänger für Satelliten-Navigationssysteme |
FR2525055A1 (fr) * | 1982-04-09 | 1983-10-14 | Trt Telecom Radio Electr | Procede de correction de frequence de la porteuse locale dans le recepteur d'un systeme de transmission de donnees et recepteur utilisant ce procede |
FR2529699A1 (fr) * | 1982-07-02 | 1984-01-06 | Trt Telecom Radio Electr | Dispositif de commande d'un appareil synchro recepteur a partir d'informations fournies, d'une part, par un appareil synchro emetteur et, d'autre part, par un organe numerique |
WO1984000629A1 (en) * | 1982-07-21 | 1984-02-16 | Marconi Avionics | Multi-dimensional-access memory system |
GB2131177B (en) | 1982-11-23 | 1986-07-30 | Ford Motor Co | Flame front sensor |
US4530103A (en) * | 1983-08-22 | 1985-07-16 | E-Systems, Inc. | Method and apparatus for baseband tracking of a PN code sequence in a spread spectrum receiver |
GB2153177B (en) * | 1984-01-19 | 1987-06-03 | Standard Telephones Cables Ltd | Digital navstar receiver |
GB2155268B (en) | 1984-03-01 | 1987-08-26 | Standard Telephones Cables Ltd | Digital navstar receiver |
GB2172719B (en) | 1985-03-22 | 1988-10-05 | Stc Plc | Digital phase rotation of signals |
-
1985
- 1985-10-18 GB GB8525702A patent/GB2181907B/en not_active Expired
-
1986
- 1986-10-03 DE DE86307657T patent/DE3689353T2/de not_active Expired - Fee Related
- 1986-10-03 EP EP86307657A patent/EP0220005B1/de not_active Expired - Lifetime
- 1986-10-06 US US06/915,394 patent/US4796188A/en not_active Expired - Fee Related
- 1986-10-17 CA CA001261949A patent/CA1261949A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0220005A2 (de) | 1987-04-29 |
EP0220005B1 (de) | 1993-12-01 |
EP0220005A3 (en) | 1990-04-25 |
DE3689353T2 (de) | 1994-03-17 |
CA1261949A (en) | 1989-09-26 |
GB2181907B (en) | 1989-10-11 |
GB2181907A (en) | 1987-04-29 |
US4796188A (en) | 1989-01-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |