DE3781663D1 - Verfahren und anordnung zur schnellen demodulation. - Google Patents
Verfahren und anordnung zur schnellen demodulation.Info
- Publication number
- DE3781663D1 DE3781663D1 DE8787310281T DE3781663T DE3781663D1 DE 3781663 D1 DE3781663 D1 DE 3781663D1 DE 8787310281 T DE8787310281 T DE 8787310281T DE 3781663 T DE3781663 T DE 3781663T DE 3781663 D1 DE3781663 D1 DE 3781663D1
- Authority
- DE
- Germany
- Prior art keywords
- arrangement
- demodulation method
- fast demodulation
- fast
- demodulation
- 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
- G01S19/243—Demodulation of navigation message
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Radio Relay Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/933,203 US4849961A (en) | 1986-11-21 | 1986-11-21 | Fast sequencing demodulation method and apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3781663D1 true DE3781663D1 (de) | 1992-10-15 |
DE3781663T2 DE3781663T2 (de) | 1993-01-14 |
Family
ID=25463545
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787310281T Expired - Fee Related DE3781663T2 (de) | 1986-11-21 | 1987-11-20 | Verfahren und anordnung zur schnellen demodulation. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4849961A (de) |
EP (1) | EP0274834B1 (de) |
JP (1) | JPS63179270A (de) |
CA (1) | CA1279122C (de) |
DE (1) | DE3781663T2 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03293576A (ja) * | 1990-04-11 | 1991-12-25 | Pioneer Electron Corp | Gps受信機の衛星電波捕促方式 |
US5148452A (en) * | 1990-12-31 | 1992-09-15 | Motorola, Inc. | Global positioning system digital receiver |
JP3267310B2 (ja) * | 1991-07-10 | 2002-03-18 | パイオニア株式会社 | Gpsナビゲーション装置 |
US6189037B1 (en) * | 1994-09-30 | 2001-02-13 | Intel Corporation | Broadband data interface |
US5764895A (en) * | 1995-01-11 | 1998-06-09 | Sony Corporation | Method and apparatus for directing data packets in a local area network device having a plurality of ports interconnected by a high-speed communication bus |
CN102401902A (zh) * | 2010-09-08 | 2012-04-04 | 神讯电脑(昆山)有限公司 | 卫星状态判断方法 |
GB2574459B (en) * | 2018-06-07 | 2022-04-20 | Qinetiq Ltd | Multiple channel radio receiver |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH512158A (it) * | 1968-07-03 | 1971-08-31 | Sits Soc It Telecom Siemens | Disposizione circuitale che consente di realizzare la permutazione di canali dei sistemi PCM confluenti in un nodo di una rete a maglie |
US4468793A (en) * | 1980-12-01 | 1984-08-28 | Texas Instruments Incorporated | Global position system (GPS) multiplexed receiver |
US4642647A (en) * | 1983-08-29 | 1987-02-10 | Litton Systems, Inc. | Signal generator for radio navigation system |
WO1987001540A1 (en) * | 1985-09-03 | 1987-03-12 | Motorola, Inc. | Apparatus for and method of doppler searching in a digital gps receiver |
-
1986
- 1986-11-21 US US06/933,203 patent/US4849961A/en not_active Expired - Fee Related
-
1987
- 1987-09-16 CA CA000547037A patent/CA1279122C/en not_active Expired - Lifetime
- 1987-11-20 EP EP87310281A patent/EP0274834B1/de not_active Expired - Lifetime
- 1987-11-20 DE DE8787310281T patent/DE3781663T2/de not_active Expired - Fee Related
- 1987-11-21 JP JP62293130A patent/JPS63179270A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US4849961A (en) | 1989-07-18 |
JPS63179270A (ja) | 1988-07-23 |
EP0274834A1 (de) | 1988-07-20 |
EP0274834B1 (de) | 1992-09-09 |
CA1279122C (en) | 1991-01-15 |
DE3781663T2 (de) | 1993-01-14 |
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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 |