Results 151 to 160 of about 5,771 (200)

Age-Stage, Two-Sex Life Table Analysis of Riptortus pedestris (Hemiptera: Alydidae) Across Different Soybean Varieties. [PDF]

Insects
Cui J, Yin J, Tian X, Gao Y, Shi S, Li W.   +5 more
europepmc   +1 more source

A Decoupled Doppler Positioning Algorithm for Dynamic Receivers Using LEO Constellation Signals. [PDF]

Sensors (Basel)
Liu T, Liu Y, Wen C, Jiang Y, Wang L, Yang R, Yi J.   +6 more
europepmc   +1 more source

An integrated streaming algorithm for real-time monitoring and prediction of open caisson sinking using multi-GNSS and earth pressure data. [PDF]

Sci Rep
Dong X, Guo M, Lu Z, Zheng Q, Li J, Jiang J.   +5 more
europepmc   +1 more source

Synthesis and biological evaluation, network pharmacology, and molecular docking of 2-benzylidene-1-indanone derivatives as antitumor agents. [PDF]

Sci Rep
Liao X, Zhuang R, Zhuang T, Xie M, Zhou B.   +4 more
europepmc   +1 more source

Feasibility of Code-Level Altimetry Using Coastal BeiDou Reflection (BeiDou-R) Setups [PDF]

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2015
With the development of the Chinese BeiDou satellite navigation system, the applications of BeiDou-reflected (BeiDou-R) signals will play a key role in Global Navigation Satellite System-reflected (GNSS-R) signals. In this paper, we describe the theory of code-level ocean surface altimetry using BeiDou-R signals.
Yanling Han, Zhonghua Hong, Yun Zhang
exaly   +4 more sources

Characteristics of BeiDou-3 Experimental Satellite Clocks [PDF]

Remote Sensing, 2018
The characteristics of the improved Atomic Frequency Standard (AFS) operated on the latest BeiDou-3 experimental satellites are analyzed from day-of-year (DOY) 254 to 281, of the year 2017, considering the following three aspects: stability, periodicity, and prediction precision.
Tao Geng, Qile Zhao, Yifei Lv
exaly   +5 more sources

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Yaw attitude modeling for BeiDou I06 and BeiDou-3 satellites

GPS Solutions, 2018
The estimated yaw angles of the BeiDou I06 satellite demonstrated that the satellite experienced midnight- or noon-turn maneuvers when the sun elevation angle above the orbital plane (β angle) was in the range of [− 3°, + 3°] and the orbital angle was in the range of approximately [− 6°, 6°] or [174°, 186°].
Chen Wang, Qile Zhao, Jing Guo
exaly   +2 more sources

Accuracy and reliability of BeiDou clocks

Journal of Applied Geodesy, 2023
Abstract The subject of this paper is the analysis of the stability of BeiDou system clocks; currently only signals from two blocks, BSD-2 and BDS-3, are available. For elaboration, 30 s clock corrections from the 2014 to 2020 period for 37 satellites were used (9 IGSO, 28 MEO).
Katarzyna Chwedczuk, Ciro Gioia, Bogdan Skorupa, Kamil Maciuk   +3 more
openaire   +1 more source

Analysis of the Bias on the Beidou GEO Multipath Combinations [PDF]

Sensors, 2016
The Beidou navigation satellite system is a very important sensor for positioning in the Asia-Pacific region. The Beidou inclined geosynchronous orbit (IGSO) and medium Earth orbit (MEO) satellites have been analysed in some studies previously conducted by other researchers; this paper seeks to gain more insight regarding the geostationary earth orbit (
Yunbin Yuan, Yafei Ning
exaly   +4 more sources

Simulation Analysis of Positioning Performance of BeiDou-2 and Integrated BeiDou-2/GPS

2010 International Conference on Communications and Mobile Computing, 2010
A new method has been proposed for assessing availability of satellite navigation system. Software has been compiled to simulate BeiDou-2 (BD-2) constellation with 12 satellites and GPS constellation. Based on 27 stations of Crustal Moment Observation Network of China, satellite visibility, dilution of precision (DOP), and availability of BD-2, GPS and
CanHui Chen, XiaoLin Zhang
openaire   +1 more source