Results 131 to 140 of about 220,608 (333)

THE DEVELOPMENT OF NAVIGATION SYSTEMS IN CIVIL AVIATION

open access: yesНаучный вестник МГТУ ГА, 2017
The article describes the history of navigation systems formation, such as "Cicada" system, which at that time could compete with the US "Transit", European, Chinese Beidou navigation system and the Japanese Quasi-Zenit.The detailed information about ...
A. S. Stepanenko
doaj  

Overview of the development of satellite navigation blanket interference monitoring

open access: yesFrontiers in Physics
Satellite navigation interference monitoring is an important means to effectively evaluate interference and ensure the normal operation of global navigation satellite system (GNSS).
Yinhui He   +9 more
doaj   +1 more source

Contributo para o estabelecimento de uma rede permanente GNSS para monitorização dos sistemas vulcânicos ativos do arquipélago dos Açores [PDF]

open access: yes, 2015
Dissertação de Mestrado, Vulcanologia e Riscos Geológicos, 17 de Novembro de 2015, Universidade dos Açores.O trabalho apresentado no âmbito desta tese foca-se no estudo da deformação crustal em sistemas vulcânicos ativos, através da aplicação da técnica ...
Araújo, João Pedro Martins Teixeira
core  

Life‐Cycle Assessment of Printed Electronic Components ‐ Case Study for Organic Electrochemical Transistors

open access: yesAdvanced Electronic Materials, EarlyView.
This tutorial introduces a practical framework for implementing early‐stage Life‐Cycle Assessment (LCA) in flexible and printed electronics. Using organic electrochemical transistors (OECTs) as a case study, the modular Process‐of‐Record and open‐access inventory provides a rich resource adaptable to a plethora of technologies in printed electronics ...
Laura Teuerle   +6 more
wiley   +1 more source

Global navigation satellite systems

open access: yesНаучно-технический вестник информационных технологий, механики и оптики, 2007
Научный руководитель: Т.В. Примакина. Тема доклада «Навигационные спутниковые системы». Описываются принципы работы навигационных систем, источники их ошибок и неточностей, а также современные способы их преодоления.
openaire   +1 more source

Toward Complete CO2 Electroconversion: Status, Challenges, and Perspectives

open access: yesAdvanced Energy Materials, EarlyView.
Electrocatalytic CO2 reduction and CO2 batteries face challenges in achieving complete CO2 conversion with high conversion rates and Faradaic efficiency simultaneously. Existing systems compromise one for the other with incomplete CO2 conversion and inefficiencies, hindering practical applications. This perspective highlights state‐of‐the‐art progress,
Changfan Xu   +5 more
wiley   +1 more source

Satellite data relay and platform locating in oceanography. Report of the In Situ Ocean Science Working Group [PDF]

open access: yes
The present and future use of satellites to locate offshore platforms and relay data from in situ sensors to shore was examined. A system of the ARGOS type will satisfy the increasing demand for oceanographic information through data relay and platform ...
Chase, R.   +9 more
core   +1 more source

Safety of Sodium‐Ion Batteries: Evaluation and Perspective from Component Materials to Cells, Modules, and Packs

open access: yesAdvanced Energy Materials, EarlyView.
This review provides a bottom‐up evaluation of sodium‐ion battery safety, linking material degradation mechanisms, cell engineering parameters, and module/pack assembly. It emphasizes that understanding intrinsic material stability and establishing coordinated engineering control across hierarchical levels are vital for preventing degradation coupling ...
Won‐Gwang Lim   +5 more
wiley   +1 more source

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