Results 1 to 10 of about 6,074 (263)
Satellite Navigation Message Authentication in GNSS: Research on Message Scheduler for SBAS L1
SensorsSBAS is mainly used in civil aviation and navigation, and will be applied to autonomous driving in the future. Given the open signal format of the Satellite Based Augmentation System (SBAS), which exposes security threats such as spoofing attacks, the ...
exaly +4 more sources
European Journal of Remote Sensing, 2021 This study investigated the role of the number of differentialinterferograms and coherent threshold values on the accuracy of SBAS InSAR (small baseline subset interferometric synthetic aperture radar) results for specific applications in Jiyang Coal ...
Qiuxiang Tao
exaly +2 more sources
Efficient Methods of Utilizing Multi-SBAS Corrections in Multi-GNSS Positioning
Sensors, 2020 Various combining methods have been proposed to utilize multi-satellite-based augmentation system (SBAS) correction to provide accurate position in the global navigation satellite system (GNSS) receiver.
Kwi Woo Park, Park Jong-Il
exaly +3 more sources
Microbial transformation of secondary bile acids: roles in gut ecology and autoimmune diseases [PDF]
Frontiers in ImmunologySecondary bile acids (SBAs) attracted interest due to their regulatory functions in gut microbial ecology and immune responses. These intricate microbial transformations decisively shape the biochemical properties of SBAs.
Lulu Ren +8 more
doaj +2 more sources
Research on surface deformation law of closed mines based on SBAS-InSAR
Gong-kuang zidonghua, 2021 After the mine is closed, the coal and rock mass undergoes weathering degradation and strength reduction under the action of various factors such as stress, groundwater and oxygen.
YU Hao +3 more
doaj +1 more source
EXAMINATION OF DIFFERENT MODELS OF TROPOSPHERE DELAYS IN SBAS POSITIONING IN AERIAL NAVIGATION [PDF]
Scientific Journal of Silesian University of Technology. Series Transport, 2023 This paper presents the results of a study on the use of different tropospheric correction models in SBAS positioning for air navigation. The paper, in particular, determines the influence of the Saastamoinen troposphere and RTCA-MOPS models on the ...
Kamil KRASUSKI +1 more
doaj +1 more source
تحلیل وضعیت فرونشست محدوده شهری همدان با استفاده از تصاویر راداری و ماهوارهای [PDF]
جغرافیا و مخاطرات محیطی, 2023 مخاطره فرونشست در طی سالهای اخیر، شهرهای زیادی ازجمله شهرهای مناطق خشک و نیمهخشک ایران را با چالش جدی مواجه کرده است. شهر همدان ازجمله شهرهایی است که در معرض این مخاطره قرار دارد و به همین دلیل در این پژوهش به ارزیابی میزان فرونشست در محدوده این شهر ...
حمید گنجائیان +3 more
doaj +1 more source
The GPS / EGNOS Positioning Quality in APV-1 and LPV-200 flight procedures
Communications, 2021 Accuracy, integrity, continuity and availability are the basic quality parameters extremely important in satellite navigation. The article presents results of research using the European Geostationary Navigation Overlay Service (EGNOS) that belongs to ...
Grzegorz Grunwald +3 more
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Remote Sensing, 2020 The article presents geomorphological analysis results for two outwash fans (sandurs), Elveflya and Nottingham, in the marginal zone of the Werenskiold Glacier in the south-west part of the Spitsbergen.
Marek Kasprzak +3 more
doaj +1 more source
Remote Sensing, 2020 Underground coal exploitation often results in land-surface subsidence, the rate of which depends on geological characteristics, the mechanical properties of the rocks, and the applied extraction technology.
Kamila Pawluszek-Filipiak +1 more
doaj +1 more source