The Determination on Satellite Receiver Delay with the Same Frequency

QIN Wei-jin; YANG Xu-hai

doi:10.12263/DZXB.20210102

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The Determination on Satellite Receiver Delay with the Same Frequency

PAPERS | 更新时间：2025-12-08

- The Determination on Satellite Receiver Delay with the Same Frequency
- ACTA ELECTRONICA SINICA Vol. 51, Issue 2, Pages: 324-329(2023)
- 作者机构：
  
  1.中国科学院国家授时中心，陕西西安 710600
  2.中国科学院大学，北京 100049
- 作者简介：
- 基金信息：
  
  Youth Promotion Committee of the Chinese Academy of Sciences(2019398);“CAS Light of West China” Program of the Chinese Academy of Sciences(XAB2019A06)
- DOI：10.12263/DZXB.20210102
  CLC： P227;P228;TN959.73
- Received：12 January 2021，
  
  Revised：2021-09-22，
  
  Published：25 February 2023
- 稿件说明：
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钦伟瑾,杨旭海.一种同频点的卫星接收机时延确定方法[J].电子学报,2023,51(02):324-329.

QIN Wei-jin,YANG Xu-hai.The Determination on Satellite Receiver Delay with the Same Frequency[J].ACTA ELECTRONICA SINICA,2023,51(02):324-329.
钦伟瑾,杨旭海.一种同频点的卫星接收机时延确定方法[J].电子学报,2023,51(02):324-329. DOI： 10.12263/DZXB.20210102.

QIN Wei-jin,YANG Xu-hai.The Determination on Satellite Receiver Delay with the Same Frequency[J].ACTA ELECTRONICA SINICA,2023,51(02):324-329. DOI： 10.12263/DZXB.20210102.

摘要

本文提出了一种Galileo E5

硬件时延计算方法.当同频点的两颗卫星非常接近时，它们的电离层时延几乎相等.基于此原理，借助GPS和Galileo卫星端的绝对校准值，当角距为2°，5°，10°时，选择高度角为10°，20°，40°，60°的不同类型的Galileo卫星观测值进行试算，实现Galileo接收机 E5

频点的校准.结果表明：校准值的结果和高度角成正相关，和Galileo卫星类型以及接收机类型无关；此外，在低纬度区域，当角距小于10°时，角距的变化对校准结果几乎没有影响.

Abstract

An approach for the calibration of Galileo signals is achieved in this paper. Because of the same frequency in GPS L1 and Galileo E1

when the observed GPS satellite and the Galileo satellite are very close

the ionospheric delay of GPS L1 is considered the same as that of Galileo. Based on the theory

by virtue of the known GPS L1 and Galileo E1 calibration value

when the he calibration value of Galileo E5x has been obtained. When the angular separation is 2°

5° and 10°

the Galileo satellite of different type with the elevation of 10°

20°

40°

60°has been selected for the verification. The result shows

the calibration value is depended on the chosen elevation threshold

which is irrelative to the type of the Galileo satellite and the receiver type. In the low-latitude area

when the angular separation is less than 10°

the variation of angular separation has no influence with the calibration result.

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Keywords

references

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