CN112703426A - 一种卫星信号处理方法及装置 - Google Patents

一种卫星信号处理方法及装置 Download PDF

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Publication number
CN112703426A
CN112703426A CN201880097581.1A CN201880097581A CN112703426A CN 112703426 A CN112703426 A CN 112703426A CN 201880097581 A CN201880097581 A CN 201880097581A CN 112703426 A CN112703426 A CN 112703426A
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China
Prior art keywords
satellite signal
signal
code phase
satellite
determining
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CN201880097581.1A
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CN112703426B (zh
Inventor
王康
黄威
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13Receivers
    • G01S19/24Acquisition or tracking or demodulation of signals transmitted by the system
    • G01S19/29Acquisition or tracking or demodulation of signals transmitted by the system carrier including Doppler, related
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13Receivers
    • G01S19/24Acquisition or tracking or demodulation of signals transmitted by the system
    • G01S19/30Acquisition or tracking or demodulation of signals transmitted by the system code related
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13Receivers
    • G01S19/32Multimode operation in a single same satellite system, e.g. GPS L1/L2

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  • 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)

Abstract

一种卫星信号处理方法及装置,用于降低捕获卫星信号时的功耗,提高卫星搜索速度。该方法包括:在第一卫星信号被捕获后,跟踪锁定第一卫星信号,以获取第一卫星信号的第一信号参数,第一信号参数包括第一多普勒频移和第一码相位(S301);根据第一信号参数确定与第一卫星信号同源的第二卫星信号的第二信号参数,第二信号参数包括第二多普勒频移和第二码相位(S302);根据第二信号参数跟踪锁定第二卫星信号(S303);根据锁定后的第一卫星信号和锁定后的第二卫星信号完成定位(S304)。

Description

PCT国内申请,说明书已公开。

Claims (18)

  1. PCT国内申请,权利要求书已公开。
CN201880097581.1A 2018-09-13 2018-09-13 一种卫星信号处理方法及装置 Active CN112703426B (zh)

Applications Claiming Priority (1)

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PCT/CN2018/105568 WO2020051850A1 (zh) 2018-09-13 2018-09-13 一种卫星信号处理方法及装置

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CN112703426A true CN112703426A (zh) 2021-04-23
CN112703426B CN112703426B (zh) 2024-01-16

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WO (1) WO2020051850A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116249916A (zh) * 2020-10-15 2023-06-09 华为技术有限公司 一种卫星信号处理方法及卫星定位装置
CN112505730B (zh) * 2020-11-25 2022-04-01 中国电子科技集团公司第五十四研究所 一种卫星导航信号牵引中的多普勒参数估计方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018009088A1 (en) * 2016-07-04 2018-01-11 Llc "Topcon Positioning Systems" Gnss positioning system and method using multiple processing threads
CN108519611A (zh) * 2018-03-01 2018-09-11 上海交通大学 基于gpu的北斗b1c/b1i双频并行多通道协同捕获方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018009088A1 (en) * 2016-07-04 2018-01-11 Llc "Topcon Positioning Systems" Gnss positioning system and method using multiple processing threads
CN108519611A (zh) * 2018-03-01 2018-09-11 上海交通大学 基于gpu的北斗b1c/b1i双频并行多通道协同捕获方法

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
CHUHAN WANG 等: "Asymmetric Dual-Band Tracking Technique for Optimal Joint Processing of BDS B1I and B1C Signals", SENSORS *
张武迅 等: "北斗B1C和B1I信号协同捕获算法研究", 第九届中国卫星导航学术年会论文集——S09用户终端技术 *
杨颖 等: "北斗三号B1I、B1C和B2a信号兼容捕获算法", 第九届中国卫星导航学术年会论文集——S09用户终端技术 *

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CN112703426B (zh) 2024-01-16
WO2020051850A1 (zh) 2020-03-19

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