Navigation Performance of Global Navigation Satellite Systems in the Space Service Volume [PDF]
This paper extends the results I reported at this year's ION International Technical Meeting on multi-constellation GNSS coverage by showing how the use of multi-constellation GNSS improves Geometric Dilution of Precision (GDOP).
Force, Dale A.
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Based on baseband chip developed navigation interface card [PDF]
, 2016 北斗卫星导航系统是我国自主的卫星导航系统，可为分布在我国及周边地区的用户提供定位、短报文通信及授时服务。本文通过对国外GPS导航系统的分析，结合当前国内北斗用户发展现状及军事需求分析，提出相关战术技术指标，完成方案研制。 本文所定义的导航板卡是将天线的信号进行分路后分别进入射频部分进行处理，然后将下变频后的RNSSB3/B1、GPS的L1频点和Glonass的F1频点的中频导航信号送入基带单元进行处理，以完成对卫星导航信号的捕获、跟踪、PVT解算和授时等，该方案是基于北斗区域信号和卫星导航产品规模化 ...
邵留伟
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Orbit and clock products for quad-system satellites with undifferenced ambiguity fixing approach
Satellite NavigationInteger Ambiguity Resolution (IAR) can significantly improve the accuracy of GNSS Precise Orbit Determination (POD). Traditionally, the IAR in POD is achieved at the Double Differenced (DD) level.
Jiaqi Wu +6 more
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Extra-Wide Lane Ambiguity Resolution and Validation for a Single Epoch Based on the Triple-Frequency BeiDou Navigation Satellite System. [PDF]
Sensors (Basel), 2020 Deng J, Zhang A, Zhu N, Ke F.
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A review of global navigation satellite and augmentation systems [PDF]
, 2019 The importance and application of global navigation satellite systems (GNSS) has never been greater; there is increasing demand for both commercial and government projects; indeed, owning and operating a GNSS facility has become a matter of national ...
Chatwin, Chris R, Lawal, Lasisi S
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Proposition of Ionospheric Grid in Navigation Satellite System BeiDou
Annual of Navigation, 2017 AbstractThis study shows the way of ionospheric data usage obtained from 2 Tables using D2 NAV message Chinese BeiDou system. It was identified particular algorithms for Table’s calculation. Authors also suggested data Table 2 modification and special algorithms useful for that Table. It was given calculated examples for BeiDou system Tables as well as
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Twenty-year continuous operation of Syowa IGS station [PDF]
, 2017 第8回極域科学シンポジウム/個別セッション：[OG] 極域地圏12月5日（火）国立極地研究所 3階セミナー室The Eighth Symposium on Polar Science/Ordinary sessions: [OG] Polar GeosciencesTue.
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AltBOC navigation signal quality assessment and measurement
Journal of Measurement Science and Instrumentation, 2013 In order to ensure that Chinese BeiDou satellite navigation system runs smoothly,the assessment of signal quality has become a significant task.Alternative binary offset carrier（AltBOC）is BeiDou B2 frequency signal.The acquisition of BeiDou signal is ...
MENG Qing-feng +2 more
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Characteristics of BeiDou Navigation Satellite System (BDS) Code Observations for Different Receiver Types and Their Influence on Wide-Lane Ambiguity Resolution. [PDF]
Sensors (Basel), 2018 Lu Y, Wang Z, Ji S, Chen W, Weng D.
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Scheme for Improving LKJ System Automatic Level
机车电传动, 2013 Present status of LKJ system application was stated, and LKJ system automatic level proving schemes were proposed with introduction of computer control priority mode, vehicle-ground transfer technology, Beidou Navigation Satellite system, wire-less ...
YANG Qing-xiang, YANG Hui-xin
doaj