Performance Evaluation of Real-Time Precise Point Positioning with Both BDS-3 and BDS-2 Observations
Sensors, 2020 For time-critical precise applications, one popular technology is the real-time precise point positioning (PPP). In recent years, there has been a rapid development in the BeiDou Navigation Satellite System (BDS), and the constellation of global BDS (BDS-
Lin Pan, Xuanping Li, Wenkun Yu
exaly +4 more sources
Evaluation of BDS-2 and BDS-3 Satellite Atomic Clock Products and Their Effects on Positioning
Remote Sensing, 2021 The BeiDou Navigation Satellite System (BDS) has completed third phase construction and currently provides global services, with a mixed constellation of BDS-2 and BDS-3. The newly launched BDS-3 satellites are equipped with rubidium and passive hydrogen
Shengfeng Gu +5 more
doaj +2 more sources
BDS-3 Time Group Delay and Its Effect on Standard Point Positioning
Remote Sensing, 2019 The development of the BeiDou navigation system (BDS) is divided into three phases: The demonstration system (BDS-1), the regional system (BDS-2) and the global BeiDou navigation system (BDS-3).
Peipei Dai, Yulong Ge, Weijin Qin
exaly +3 more sources
Impact of Post-acute COVID-19 Syndrome on Mental Health of Healthcare Professionals: A Cross-sectional Study [PDF]
Journal of Clinical and Diagnostic Research, 2023 Introduction: Anxiety, depression, and poor sleep quality are the most common mental health issues in post-acute Coronavirus Disease-2019 (COVID-19) syndrome.
Priyanka Gulati +5 more
doaj +1 more source
Implication and utility of DAS-28 squeeze in rheumatoid arthritis: an Indian experience
Reumatismo, 2022 The purpose of this study was to compare and correlate disease activity score including 28 joints counts (DAS-28) Squeeze with DAS-28 and clinical disease activity index (CDAI) to assess disease activity (DA) in rheumatoid arthritis (RA) patients.
H. Singh +5 more
doaj +1 more source
Finite Element Analysis and in Vivo Evaluation of En-Masse Retraction of Maxillary Anterior Teeth Using Palatal TADs and a Clear Appliance [PDF]
Iranian Journal of Orthodontics, 2022 Aim: Among various retraction methods for space closure in first premolar extraction, the palatal approach is preferred to labial appliances in cases having high aesthetic demand.
Prerna Pahuja +7 more
doaj +1 more source
Fault Detection and Exclusion Method for a Deeply Integrated BDS/INS System
Sensors, 2020 The Inertial Navigation System (INS) is often fused with the Global Navigation Satellite System (GNSS) to provide more robust and superior navigation service, especially in degraded signal environments.
Junren Sun, Zun Niu, Bocheng Zhu
doaj +1 more source
Sensors, 2020 The ambiguity resolution (AR) and validation of the global navigation satellite system (GNSS) have been challenging tasks for some decades. Considering the reliability problem of extra-wide-lane (EWL) ambiguity in the triple-carrier ambiguity resolution (
Jian Deng +3 more
doaj +1 more source
Introduction: The IHRA Working Definition and the debate about concepts and definitions of anti-Semitism [PDF]
Conflict & Communication Online, 2022 The “Working Definition of Antisemitism” of the “International Holocaust Remembrance Alliance” not only leads to scientific controversies between its proponents and critics, it also – at least indirectly – plays an important role for the financing of ...
Florian Weis
doaj
Asian Journal of Medical Sciences, 2023 Background: Heart diseases are the most significant non-obstetrical causes of maternal deaths, accounting for up to 15% of all cases. The present retrospective analysis is an attempt to assess the spectrum and impact of cardiac diseases on pregnancy ...
Menka Verma +5 more
doaj +1 more source