论文

矢量结构对载波相位的预测

  • 丁继成 ,
  • 何欣庭 ,
  • 裴天炜 ,
  • 杨皓
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  • 哈尔滨工程大学 智能科学与工程学院,哈尔滨  150001
.E-mail: hext1997@hrbeu.edu.cn

收稿日期: 2022-05-09

  修回日期: 2022-05-20

  录用日期: 2022-08-18

  网络出版日期: 2022-08-31

基金资助

国家自然科学基金(61633008);黑龙江省高精度卫星导航及海洋应用重点实验室开放基金(HKL-2021-Z01)

Prediction of carrier phase by vector structure

  • Jicheng DING ,
  • Xinting HE ,
  • Tianwei PEI ,
  • Hao YANG
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  • College of Intelligent Systems Science and Engineering,Harbin Engineering University,Harbin  150001,China

Received date: 2022-05-09

  Revised date: 2022-05-20

  Accepted date: 2022-08-18

  Online published: 2022-08-31

Supported by

National Natural Science Foundation of China(61633008);Heilongjiang Province Key Laboratory of High Accuracy Satellite Navigation and Marine Application Laboratory(HKL-2021-Z01)

摘要

高精度定位通常采用载波相位测距,而当全球导航卫星系统(GNSS)接收机信号受到遮挡、存在干扰等环境影响时,载波相位易出现跟踪不连续的问题,从而影响定位精度。针对这一问题提出了一种采用矢量结构对载波相位的预测方法,预测值辅助载波相位的跟踪,为了使预测值对载波相位跟踪效果更好,使用接收信号的质量确定预测值对载波相位的影响比例。最后,试验验证了通过矢量结构对载波相位进行预测,有效地改善了载波相位的跟踪能力,从而对载波相位连续跟踪,并有效地提高定位精度。

本文引用格式

丁继成 , 何欣庭 , 裴天炜 , 杨皓 . 矢量结构对载波相位的预测[J]. 航空学报, 2023 , 44(S1) : 727403 -727403 . DOI: 10.7527/S1000-6893.2022.27403

Abstract

Carrier phase ranging is usually used for high-precision positioning. When the signal of the Global Navigation Satellite System (GNSS) receiver is affected by occlusion, interference and other environments, the carrier phase is prone to the problem of discontinuous tracking, which affects the positioning accuracy. To solve this problem, this paper proposes a carrier phase prediction method using the vector structure. The predicted value assists carrier phase tracking. To achieve better tracking of the carrier phase with the predicted value, the influence proportion of the predicted value on the carrier phase is determined by the quality of the received signal. Finally, the experiment verifies that prediction of the carrier phase through the vector structure can effectively improve the tracking ability of the carrier phase, so as to keep a continuous tracking of the carrier phase and effectively improve the positioning accuracy.

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