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GNSS -- global navigation satellite systems : GPS, GLONASS, Galileo, and more

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TLDR
The next generation of positioning models for positioning and data processing will depend on the design of the satellite itself, as well as on the satellite orbits it is placed in.
Abstract
Reference systems.- Satellite orbits.- Satellite signals.- Observables.- Mathematical models for positioning.- Data processing.- Data transformation.- GPS.- Glonass.- Galileo.- More on GNSS.- Applications.- Conclusion and outlook.

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Book ChapterDOI

The Urgency and Principals of the Industry Policy Optimization for Beidou Satellite Navigation System

TL;DR: In this paper, the development of satellite navigation system needs effective industrial policy guidance urgently to adapt the disorder even vicious competition in the beginning, and the government must adjust the market access mechanism to achieve the optimal resources allocation and strongest competitiveness.

Reference data and procedures for ground atmospheric radiometry for European Space Agency stations and campaigns

TL;DR: Reference data and procedures for ground atmospheric radiometry for European Space Agency stations and campaigns activities are designed and presented in this article , where the authors aim to create a database of reference long-term simulations of atmospheric brightness temperature for monitoring radiometric accuracy and calibration and for developing retrieval algorithms to be used in the operations of ground-based microwave radiometers for atmospheric characterization.
Book ChapterDOI

Electromagnetic Characterization of Installed Antennas Through UAVs

TL;DR: The radiation pattern of a log-periodic antenna at 250 MHz has been measured with good results and some best practices in the use of such system for this particular field of application are defined to reach the expected result.

LoRaWAN-implemented Node Localisation in a Sandstorm Environment based on Received Signal Strength Indicator

TL;DR: This paper presents an evaluation of the performance of LoRaWAN Received Signal Strength Indicator (RSSI)-based node localisation in a sandstorm environment and employs machine learning algorithms - Support Vector Regression and Gaussian Process Regression - which turns the high variance of RSSI to advantage; creating unique signatures representing different locations.