Results 31 to 40 of about 24,143,953 (388)

Next Generation High Throughput Satellite System [PDF]

, 2012
This paper aims at presenting an overview of the state-of-the-art in High Throughput Satellite (HTS) systems for Fixed Satellite Services (FSS) and High Density-FSS.
Alberty, Eric, Bousquet, Michel, Lacan, Jérôme, Radzik, José, Verelst, Greet, Vidal, Oriol   +5 more
core   +1 more source

Precise Point Positioning Algorithm for Pseudolite Combined with GNSS in a Constrained Observation Environment

Sensors, 2020
In urban canyon environments, Global Navigation Satellite System (GNSS) satellites are heavily obstructed with frequent rise and fall and severe multi-path errors induced by signal reflection, making it difficult to acquire precise, continuous, and ...
Chuanzhen Sheng, Xingli Gan, Baoguo Yu, Jingkui Zhang   +3 more
doaj   +1 more source

Preliminary Development and Testing of an EPS-SG Microwave Sounder Proxy Data Generator Using the NOAA Microwave Integrated Retrieval System

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2021
The European Organisation for the Exploitation of Meteorological Satellites currently plans to launch Meteorological Operational Satellite Second Generation A1 (Metop-SG A1) with the microwave Sounder (MWS) instrument in 2023.
Yong-Keun Lee, Quanhua Liu, Christopher Grassotti, Xingming Liang, Shuyan Liu, Yan Zhou, Ming Fang   +6 more
doaj   +1 more source

Global capabilities of BeiDou Navigation Satellite System

, 2020
The BeiDou Navigation Satellite System (BDS) has completed the constellation deployment and started to provide global services. After achieving the capabilities of global coverage, global first-class accuracy for Positioning, Navigation and Timing (PNT),
Jun Lu, Xia Guo, Chengeng Su
semanticscholar   +1 more source

Unambiguous Acquisition/Tracking Technique Based on Sub-Correlation Functions for GNSS Sine-BOC Signals

Sensors, 2020
The autocorrelation function (ACF) of the Binary Offset Carrier modulation (BOC) signal for Global Navigation Satellite System (GNSS) has multiple peaks, ambiguity is easily generated during the synchronization of the baseband signal.
Fang Hao, Baoguo Yu, Xingli Gan, Ruicai Jia, Heng Zhang, Lu Huang, Boyuan Wang   +6 more
doaj   +1 more source

Evaluation of SNPP and NOAA-20 VIIRS Datasets Using RadCalNet and Landsat 8/OLI Data

Remote Sensing, 2022
In this study, we used RVUS data from RadCalNet as a benchmark to verify the radiometric accuracy and stability of operational and reprocessed SNPP/VIIRS data and the accuracy of NOAA-20/VIIRS data, as well as to assess the efficiency of the SNPP/VIIRS ...
Xin Jing, Sirish Uprety, Tung-Chang Liu, Bin Zhang, Xi Shao   +4 more
doaj   +1 more source

Initial analysis for characterizing and mitigating the pseudorange biases of BeiDou navigation satellite system

Satellite Navigation, 2020
Pseudorange bias has become a practical obstacle in the field of high-precision global navigation satellite system (GNSS) applications, which greatly restricts the further development of high-precision applications.
Chengyan He, Xiaochun Lu, Ji Guo, Chengeng Su, Wei Wang, Meng Wang   +5 more
semanticscholar   +1 more source

A Review of Global Navigation Satellite System (GNSS)-Based Dynamic Monitoring Technologies for Structural Health Monitoring

Remote Sensing, 2019
In the past few decades, global navigation satellite system (GNSS) technology has been widely used in structural health monitoring (SHM), and the monitoring mode has evolved from long-term deformation monitoring to dynamic monitoring. This paper gives an
Nan Shen, Liang Chen, Jingbin Liu, Lei Wang, T. Tao, Dewen Wu, Ruizhi Chen   +6 more
semanticscholar   +1 more source

Using Surface Brightness Fluctuations to Study nearby Satellite Galaxy Systems: The Complete Satellite System of M101 [PDF]

Astrophysical Journal, 2019
We use surface brightness fluctuation (SBF) measurements to constrain the distance to low surface brightness (LSB) dwarfs in the vicinity of M101. Recent work has discovered many LSB candidate satellite companions of M101.
S. Carlsten, R. Beaton, J. Greco, J. Greene   +3 more
semanticscholar   +1 more source

A Non-Linear Filtering Algorithm Based on Alpha-Divergence Minimization

Sensors, 2018
A non-linear filtering algorithm based on the alpha-divergence is proposed, which uses the exponential family distribution to approximate the actual state distribution and the alpha-divergence to measure the approximation degree between the two ...
Yarong Luo, Chi Guo, Jiansheng Zheng, Shengyong You   +3 more
doaj   +1 more source