Results 11 to 20 of about 4,007 (227)
Characterization of the GNSS RFI Threat to DFMC GBAS Signal Bands [PDF]
This article presents analysis results from a long-term multi-site Global Navigation Satellite System (GNSS) Radio Frequency Interference (RFI) monitoring campaign in the context of Ground Based Augmentation System (GBAS) Dual Frequency Multi ...
Nadezda Sokolova +2 more
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Assessment of Number of Critical Satellites for Ground-Based Augmentation System Continuity Allocation to Support Category II/III Precision Approaches [PDF]
The ground-based augmentation system (GBAS) is a regional system supporting navigation and ensuring the integrity of aircraft near airports during precision approaches. Standardized at the international level, GBAS Approach Service Types (GASTs) C and D,
Junesol Song, Carl Milner
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Ionospheric delay is one of the largest and most variable sources of error for Ground-Based Augmentation System (GBAS) users because inospheric activity is unpredictable.
Zhipeng Wang +3 more
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Diagnostic accuracy of neonatal structural MRI scores to predict 6-year motor outcomes of children born very preterm [PDF]
Aims: This study aimed to (1) evaluate associations between Early and Term structural MRI (sMRI) brain abnormality scores and adverse motor outcomes at 6-years corrected age (CA), (2) determine their diagnostic accuracy in predicting adverse motor ...
Karen H. Mistry +9 more
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The problem of accurate navigation support for landing systems is of great importance in our time in connection with the constantly increasing intensity of air traffic in major airports.
O. I. Zavalishin
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Ground-based augmentation systems (GBASs) were designed to support civil aviation precision approach and landing with safety and integrity. It has several advantages over traditional navigation aids, allowing airspace usage optimization and reduction of ...
Leonardo Marini-Pereira +3 more
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To provide a variant-specific estimate of incidence, penetrance, sex distribution, and association with dementia of the 4 most common Parkinson disease (PD)-associated GBA variants, we analyzed a large cohort of 4,923 Italian unrelated patients with primary degenerative parkinsonism (including 3,832 PD) enrolled in a single tertiary care center and 7 ...
Letizia Straniero +13 more
openaire +2 more sources
GBAS: fundamentals and availability analysis according to σvig
Ground-based augmentation system (GBAS) was developed to guide aircraft precision approach and landing, aiming to replace the instrument landing system (ILS), which is currently used in most airports worldwide. GBAS based on differential positioning with
Silva Weverton da Costa +1 more
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The range and strength of Electromagnetic Wave loss are increasing with the development of electronic technology in intellectualization and diversification.
Wang Aiqiong +3 more
doaj +1 more source
EDUTainment: Effectiveness of Game-based Activities in Teaching Ecosystem Topics
This study utilized four game-based activities (GBAs) developed by the researcher to determine their effectiveness in teaching Ecosystem topics for Grade 7 Biology in terms of (1) conceptual understanding and (2) nature of engagement.
Nestor Jr. Lasala
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