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Kaiting Xie, Zhaoguo Zhang and Faan Wang
Integrating modern information technology with traditional agriculture has made agricultural machinery navigation essential in PA (precision agriculture). However, agricultural equipment faces challenges such as low positioning accuracy and poor algorith...
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Shulin Zeng, Cuilin Kuang and Wenkun Yu
Modern low-cost electronic devices can achieve high precision for global navigation satellite systems (GNSSs) and related applications. Recently, the pseudo-range and carrier phase have been directly obtained from a smartphone to establish a professional...
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Zhiyu Wang, Zishen Li, Ningbo Wang, Mainul Hoque, Liang Wang, Ran Li, Yang Zhang and Hong Yuan
The real-time integer-ambiguity resolution of the carrier-phase observation is one of the most effective approaches to enhance the accuracy of real-time precise point positioning (PPP), kinematic precise orbit determination (KPOD), and reduced-dynamic pr...
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Lewen Zhao, Jan Dou?a and Pavel Václavovic
The Precise Point Positioning (PPP) with fast integer ambiguity resolution (PPP-RTK) is feasible only if the solution is augmented with precise ionospheric parameters. The vertical ionospheric delays together with the receiver hardware biases, are estima...
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Achraf Haddad,Anis El Ammari,Abdelfettah Bouri
Pág. 111 - 129
Based on the weak results of previous researches on the efficiency?s topic of Islamic and classical banks, we noticed that they were paradoxical results which are sometimes complementary and sometimes contradictory. Several studies have confirmed the eff...
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Xin Li, Jiming Guo and Jiyuan Hu
In this study, we proposed a novel method for global navigation satellite system (GNSS) ambiguity resolution (AR). The proposed method utilizes an improved particle swarm optimization (IPSO) algorithm to obtain the GNSS integer ambiguity with the double ...
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Shengli Wang, Jian Deng, Xiushan Lu, Ziyuan Song and Ying Xu
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Richard O. Omotoye
After more than two decades of enduring global reforms, the current paper makes an attempt to investigate the fundamental prerequisites of a successful reform program. The study is particularly complicated by the ambiguity surrounding the very subject ma...
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Yafei Ning, Yunbin Yuan, Zhen Huang, Yanju Chai and Bingfeng Tan
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