CN104316935B - 一种加快卫星导航接收机热启动定位速度的方法及系统 - Google Patents
一种加快卫星导航接收机热启动定位速度的方法及系统 Download PDFInfo
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- CN104316935B CN104316935B CN201410541744.4A CN201410541744A CN104316935B CN 104316935 B CN104316935 B CN 104316935B CN 201410541744 A CN201410541744 A CN 201410541744A CN 104316935 B CN104316935 B CN 104316935B
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- 238000000034 method Methods 0.000 title claims abstract description 27
- LKKMLIBUAXYLOY-UHFFFAOYSA-N 3-Amino-1-methyl-5H-pyrido[4,3-b]indole Chemical compound N1C2=CC=CC=C2C2=C1C=C(N)N=C2C LKKMLIBUAXYLOY-UHFFFAOYSA-N 0.000 claims abstract description 8
- 230000001360 synchronised effect Effects 0.000 claims description 14
- 239000013078 crystal Substances 0.000 claims description 7
- 230000007812 deficiency Effects 0.000 abstract description 3
- 238000007796 conventional method Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- 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
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- 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
- G01S19/25—Acquisition or tracking or demodulation of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS
- G01S19/256—Acquisition or tracking or demodulation of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS relating to timing, e.g. time of week, code phase, timing offset
Abstract
Description
Claims (10)
Priority Applications (1)
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CN201410541744.4A CN104316935B (zh) | 2014-10-15 | 2014-10-15 | 一种加快卫星导航接收机热启动定位速度的方法及系统 |
Applications Claiming Priority (1)
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CN201410541744.4A CN104316935B (zh) | 2014-10-15 | 2014-10-15 | 一种加快卫星导航接收机热启动定位速度的方法及系统 |
Publications (2)
Publication Number | Publication Date |
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CN104316935A CN104316935A (zh) | 2015-01-28 |
CN104316935B true CN104316935B (zh) | 2018-04-03 |
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CN201410541744.4A Active CN104316935B (zh) | 2014-10-15 | 2014-10-15 | 一种加快卫星导航接收机热启动定位速度的方法及系统 |
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CN (1) | CN104316935B (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107505637B (zh) * | 2017-06-28 | 2020-07-03 | 中国电子科技集团公司第三十八研究所 | 一种基于相对伪距的热启动定位方法 |
CN107454253B (zh) * | 2017-07-18 | 2021-01-08 | 维沃移动通信有限公司 | 启动全球定位系统gps的方法及移动终端 |
US11474259B2 (en) | 2017-10-12 | 2022-10-18 | Huawei Technologies Co., Ltd. | Positioning method and device |
CN108333565B (zh) * | 2018-02-11 | 2021-12-24 | 上海圆舟电子科技有限公司 | 一种脉冲雷达磁控管预热动态延迟方法 |
CN109633708B (zh) * | 2018-12-26 | 2021-03-16 | 深圳市力合微电子股份有限公司 | 一种北斗导航接收机的热启动快速捕获方法 |
CN109669197B (zh) * | 2019-02-28 | 2020-06-23 | 西安开阳微电子有限公司 | 一种用于北斗接收机热启动快速定位的方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101424732A (zh) * | 2007-10-31 | 2009-05-06 | 中国科学院微电子研究所 | 全球定位系统中的接收机快速启动和定位的方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8009091B2 (en) * | 2008-12-04 | 2011-08-30 | Mediatek Inc. | Method and apparatus for reducing time to first fix (TTFF) of GNSS receiver without accurate time information |
CN101839970B (zh) * | 2009-03-18 | 2012-02-29 | 杭州中科微电子有限公司 | 一种gps信号快速捕获的方法及其系统 |
US8514128B2 (en) * | 2010-09-02 | 2013-08-20 | eRide,. Inc. | Satellite navigation receivers with self-provided future ephemeris and clock predictions |
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2014
- 2014-10-15 CN CN201410541744.4A patent/CN104316935B/zh active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101424732A (zh) * | 2007-10-31 | 2009-05-06 | 中国科学院微电子研究所 | 全球定位系统中的接收机快速启动和定位的方法 |
Non-Patent Citations (1)
Title |
---|
GPS接收机数据处理技术研究;滕云龙;《中国博士学位论文全文数据库 基础科学辑》;20121215(第12期);第4.1节、第4.2节 * |
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