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引用次数: 2

摘要

在评估全球导航卫星系统(GNSS)提供的数据时,采用了越来越多使用的科学/学术、商业软件和基于网络的应用程序。GNSS数据处理策略基本上分为绝对策略和相对策略两种。越来越多使用的基于web的服务主要分为绝对方法和相对方法。精确点定位(PPP)方法可以使用单个接收器获得厘米级别的定位,为用户提供了相当实用的定位可能性。PPP方式的实时应用也越来越广泛,为用户节省了时间和成本。在定位技术不断发展的同时,GPS自首次出现以来,除了军事用途外,还被引入人类生活的各个领域,随着其他系统(GLONASS、北斗、QZSS、IRNSS等)的引入,GPS已经变得相当普遍。今天,作为全球导航卫星系统,它继续更多地存在于我们的生活中。多全球导航卫星系统实验项目是通过在分布在世界各地的国际全球导航卫星系统服务站收集数据、接收来自若干国家开发的卫星系统的信号并将它们纳入处理阶段,然后开始从所有卫星系统在指定站点收集数据。本研究利用基于web的CSRS-PPP服务,对分布在世界各地的5个MGEX站点收集的为期10天的GNSS观测数据进行评估。在MGEX项目的概念中,可以从观测站和多个卫星系统(GPS、GLONASS、Galileo、QZSS、NAVIC、北斗、SBAS)收集观测持续时间为1至30秒的数据。在CSRS-PPP应用评估阶段,以GPS和GNSS (GPS、GLONASS和GPS+GLONASS)两种卫星系统,数据记录间隔为1秒和30秒,观测时长为15分钟至24小时,对评估性能进行了审查和总结。
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Web tabanlı CSRS-PPP uygulamasının farklı uydu sistemleri üzerindeki performansı
In evaluating the data provided by Global Navigation Satellite Systems (GNSS), scientific/academic, commercial software, and web-based applications, which are used increasingly, are implemented. The strategy of GNSS data processing is basically divided into two as absolute and relative. The web-based services increasing in use are mainly divided into either using the absolute method or the relative method. Precise Point Positioning (PPP) method makes possible to obtain cm level positioning by using a single receiver and offers possibility of a quite practical positioning for users. Real-time applications of the PPP method are also becoming more and more widespread, which offer both time and cost savings for users. While developments on positioning continue, GPS introduced to the life of human beings in every field besides its military purpose since its first appearance, has become quite common with the introduction of other systems (GLONASS, BeiDou, QZSS, IRNSS etc.). Today, as GNSS, it continues to exist more in our lives. The Multi-GNSS Experiment (MGEX) project has been developed by collecting data at International GNSS Service (IGS) stations spread worldwide, received signals from the satellite systems developed by several countries and by including them to the processing stage and then data collection at the specified stations from all of the satellite systems has been started. In this study, the GNSS observation data collected at 5 MGEX stations scattered around the world for a duration of 10-day were evaluated with a web-based service, namely CSRS-PPP. In the concept of MGEX Project, it is possible to collect data from the stations with an observation duration ranging from 1 to 30 seconds and from multiple satellite systems (GPS, GLONASS, Galileo, QZSS, NAVIC, BeiDou, SBAS). In the evaluation stage of CSRS-PPP application, the evaluation performance was examined and concluded in terms of satellite systems used as GPS and GNSS (GPS, GLONASS, and GPS+GLONASS), data record interval ranging as 1 and 30 seconds, and observation duration from 15 minutes to 24 hours.
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来源期刊
CiteScore
2.30
自引率
0.00%
发文量
141
审稿时长
30 weeks
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