Results 41 to 50 of about 17,557 (292)

Progress and prospect of studies on elastic normal modes of Earth's free oscillation

地球与行星物理论评, 2021
In constructing modern Earth model, Earth's interior layered structure is mainly determined according to seismic data; while the density and elastic parameters of the interior Earth, especially the large-scale structure of the density distribution below ...
Wei Luan, Wenbin Shen, Hao Ding
doaj   +1 more source

3-D Low Earth Orbit Vector Estimation of Faraday Rotation and Path Delay

IEEE Access, 2015
An electromagnetic wave propagating through the ionosphere is subject to path delay and the depolarizing effect of Faraday rotation, both of which are dependent on global position and geometry.
Nicholas P. Lawrence, Hedley J. Hansen, Derek Abbott   +2 more
doaj   +1 more source

Linear Parameter-Varying Integrated Control Law Design for a Hypersonic Vehicle

Shanghai Jiaotong Daxue xuebao, 2022
A linear parameter-varying (LPV) integrated control law is designed for a hypersonic vehicle to achieve trajectory control based on an altitude-horizontal trajectory control concept.
YANG Shu, QIAN Yunxiao, YANG Ting
doaj   +1 more source

A more advanced theoretical model of the sphere earth's EM in a foreign homogeneous EM field

Vojnotehnički Glasnik, 2023
Introduction/purpose: The paper describes a more advanced theoretical model of the Earth's EM field based on two-component hypotheses. A defined mathematical model that shows the rotation of the magnetically conducting sphere of Tthe magnetization M ...
Slobodan N. Bjelić, Nenad A. Marković
doaj   +1 more source

IGS Combined and Contributed Earth Rotation Parameter Solutions [PDF]

International Astronomical Union Colloquium, 2000
AbstractSince January 1995 the International GPS Service (IGS) has been combining and analyzing daily polar motion (PM) series, produced and submitted by seven IGS analysis centers (ACs) for the IGS Final orbit/clock combinations. Since June 30, 1996 the IGS Earth Rotation Parameter (ERP) series that accompany the IGS combined orbits, also include ...
Jan Kouba, Gerhard Beutler, Markus Rothacher   +2 more
openaire   +1 more source

Study on systematic errors of BDS-3 broadcast ephemeris and their effects with Helmert transformation

Satellite Navigation, 2023
Previous studies have not evaluated the systematic errors implied in the third generation of BeiDou-3 Navigation Satellite System (BDS-3) broadcast ephemeris.
Min Li, Jiangnan Zhang, Guo Chen, Liang Chen, Qile Zhao   +4 more
doaj   +1 more source

Middle- and Long-Term UT1-UTC Prediction Based on Constrained Polynomial Curve Fitting, Weighted Least Squares and Autoregressive Combination Model

Remote Sensing, 2022
Universal time (UT1-UTC) is a key component of Earth orientation parameters (EOP), which is important for the study of monitoring the changes in the Earth’s rotation rate, climatic variation, and the characteristics of the Earth.
Yuguo Yang, Tianhe Xu, Zhangzhen Sun, Wenfeng Nie, Zhenlong Fang   +4 more
doaj   +1 more source

Earth Rotation and Gravity Field Parameters from Satellite Laser Ranging [PDF]

, 2014
We present the results from a simultaneous estimation of the gravity field, Earth rotation parameters, and station coordinates from combined SLR solutions incorporating up to nine geodetic satellites: LAGEOS-1/2, Starlette, Stella, AJISAI, Beacon-C ...
Thaller, Daniela, Dach, Rolf, Meyer, Ulrich, Sosnica, Krzysztof Jakub, Jäggi, Adrian   +4 more
core  

Modulation of Homer1 EVH1 domain internal dynamics by putative autism‐associated mutations

FEBS Letters, EarlyView.
The putative autism‐associated M65I and S97L variants of the EVH1 domain of the postsynaptic scaffold protein Homer1 do not exhibit substantial changes in their overall structure or partner binding. Both of them, but especially the M65I variant, show altered internal dynamics relative to the wild‐type domain on the μs‐ms timescale, indicated by the ...
Fanni Farkas, Brigitta Maruzs, Zsófia E. Kálmán, Tomas Klumpler, Gyula Batta, Bálint Péterfia, Zoltán Gáspári   +6 more
wiley   +1 more source

Mycobacterial cell division arrest and smooth‐to‐rough envelope transition using CRISPRi‐mediated genetic repression systems

FEBS Open Bio, EarlyView.
CRISPRI‐mediated gene silencing and phenotypic exploration in nontuberculous mycobacteria. In this Research Protocol, we describe approaches to control, monitor, and quantitatively assess CRISPRI‐mediated gene silencing in M. smegmatis and M. abscessus model organisms.
Vanessa Point, Wafaa Achache, Janïs Laudouze, Eliana Sepulveda Ramos, Mickaël Maziero, Céline Crauste, Stéphane Canaan, Pierre Santucci   +7 more
wiley   +1 more source