Results 31 to 40 of about 1,850 (217)
Immediate sequential changes in the tear film lipid layer following eyelid massage in dry eye syndrome: A comparative control study [PDF]
HeliyonBackground/Purpose: Meibomian glands are sebaceous glands that release meibum onto the ocular surface; enhancing the quality and quantity of meibum secretions has been proven to improve signs and symptoms of evaporative dry eye (EDE) and meibomian gland ...
Jiayan Chen +8 more
doaj +2 more sources
El-Cezeri Fen ve Mühendislik Dergisi, 2019 Uydu yorunge sistemini tamamlamis GPS ve GLONASS sistemlerine ilave olarak GALILEO ve BeiDou uydu navigasyon sistemleri tam kapasite uydu yorunge sistemine gecebilmek icin hizli bir sekilde guncellenmektedir.
Sermet Öğütcü
semanticscholar +3 more sources
Research of Eliminating the Day-Boundary Discontinuities in GNSS Carrier Phase Time Transfer through Network Processing [PDF]
Sensors, 2020 Time and frequency transfer through global navigation satellite system (GNSS) precise point positioning (PPP) based on carrier-phase measurements has been widely used for clock comparisons in national timing laboratories.
Xiangbo Zhang +4 more
doaj +2 more sources
International Journal of Aerospace EngineeringThe BeiDou Global Navigation Satellite System (BDS-3) has been providing global positioning, navigation, and timing (PNT) services for over 3 years.
Xingli Sun
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Impact of the SRP model on CODE's 5-system orbit and clock solution for the MGEX.
, 2016 L. Prange +6 more
semanticscholar +4 more sources
STABILITY OF GPS AND GLONASS ONBOARD CLOCKS ON A MONTHLY BASIS [PDF]
Scientific Journal of Silesian University of Technology. Series Transport, 2022 This paper presents the stability of the GPS and GLONASS system clocks’ stability. It describes the construction of these two systems and calculated four different Allan variances (AVAR), based on the MGEX (the Multi-GNSS Experiment) clock products. Four
Michał ZIĘTALA
doaj +1 more source