Results 51 to 60 of about 810,336 (297)

Design Solutions For Modular Satellite Architectures [PDF]

, 2010
The cost-effective access to space envisaged by ESA would open a wide range of new opportunities and markets, but is still many years ahead. There is still a lack of devices, circuits, systems which make possible to develop satellites, ground stations ...
SANSOE', Claudio, Leonardo M., Borri, Marco, Reyneri, Leonardo, Claudio Sanso, Claudio Passerone, Maurizio Tranchero, Dante Del, Sansoe, C., Del Corso, Dante, Marco Borri, Stefano Speretta, Tranchero, Maurizio, Speretta, Stefano, Passerone, Claudio   +14 more
core   +1 more source

Supplementary open dataset for WiFi indoor localization based on received signal strength

Satellite Navigation, 2022
Several Wireless Fidelity (WiFi) fingerprint datasets based on Received Signal Strength (RSS) have been shared for indoor localization. However, they can’t meet all the demands of WiFi RSS-based localization.
Jingxue Bi, Yunjia Wang, Baoguo Yu, Hongji Cao, Tongguang Shi, Lu Huang   +5 more
doaj   +1 more source

Application research of the Kalman filtering algorithm in external measurement data processing

Dianzi Jishu Yingyong
In the application of Kalman filtering algorithm for real-time processing of measurement data, methods are often employed to adjust the filter gain matrix in order to address divergence issues.
Lou Guangguo, Gu Ziyi, Cao Yi, He Dingkun, Li Yang, Zhao Junjie   +5 more
doaj   +1 more source

Vulnerabilities and integrity of precise point positioning for intelligent transport systems: overview and analysis

Satellite Navigation, 2021
The implementation of Intelligent Transport System (ITS) technology is expected to significantly improve road safety and traffic efficiency. One of the key components of ITS is precise vehicle positioning. Positioning with decimetre to sub-metre accuracy
Yujun Du, Jinling Wang, Chris Rizos, Ahmed El-Mowafy   +3 more
doaj   +1 more source

Chiral separation of chloroalkanes with the chromatographic column onboard Martian rovers

FEBS Letters, EarlyView.
Computer image of the Rosalind Franklin Rover of ESA's ExoMars mission. ExoMars is scheduled to land on planet Mars in Oxia Planum in 2029. This area represents an interesting spot to look for biosignatures. Investigations of ExoMars include measurement on molecular chirality. We show that chiral chloroalkanes, that have been identified on Mars, can be
Asma Merzougui, Agnes Banreti, Armelle L. Ernst, Guillaume Leseigneur, Uwe J. Meierhenrich   +4 more
wiley   +1 more source

Loss of proton‐sensing TDAG8 increases tumor progression in mouse models of colon cancer

Molecular Oncology, EarlyView.
Loss of the pH‐sensing receptor TDAG8 accelerates colorectal cancer progression in mice. Animals lacking TDAG8 expression had increased tumor growth, DNA damage, and recruitment of tumor‐associated immune cells, including macrophages, neutrophils, and monocytes.
Ermanno Malagola, Yasmine Illi, Anna Bircher, Marijn Wilmink, Rachele F. Malagutti, Solenn Ottié, Cordelia Schuler, Pedro A. Ruiz, Cheryl de Vallière, Klaus Seuwen, Gerhard Rogler, Martin Hausmann   +11 more
wiley   +1 more source

Orbit Determination of China’s Space Station Using Real ISL Measurements of the Tianzhou-6 Spacecraft

International Journal of Aerospace Engineering
Under most circumstances, the current studies related to precision orbit determination (POD) using intersatellite link (ISL) measurements are limited to ISL ranging components.
Haijian Fang, Fan Wang, Xueming Yu, Baohua Wang, Jiasong Wang, Yufan He, Minzhang Han, Dan Wang, Jingqi Huang   +8 more
doaj   +1 more source

A multipath mitigation algorithm for GNSS signals based on the steepest descent approach

Satellite Navigation, 2022
Multipath interference seriously degrades the performance of Global Navigation Satellite System (GNSS) positioning in an urban canyon. Most current multipath mitigation algorithms suffer from heavy computational load or need external assistance.
Wenqi Qiu, Qinghua Zeng, Rui Xu, Jianye Liu, Jinheng Shi, Qian Meng   +5 more
doaj   +1 more source

Satellite-to-Satellite Tracking and Satellite Gravity Gradiometry [PDF]

, 2001
The purpose of satellite-to-satellite tracking (SST) and/or satellite gravity gradiometry (SGG) is to determine the gravitational field on and outside the Earth's surface from given gradients of the gravitational potential and/or the gravitational field at satellite altitude.
Freeden, Willi, Michel, Volker, Nutz, Helga   +2 more
openaire  

In vitro and in silico modelling of ROS1‐positive non‐small cell lung cancer reveals fusion‐dependent tyrosine kinase inhibitor responses

Molecular Oncology, EarlyView.
Drug resistance limits treatment success in a subset of lung cancers driven by ROS1 gene alterations. Using patient‐derived cells and computer simulations, we studied three key mutations and how they affect five targeted drugs. The mutations reduced drug effectiveness in different ways by altering protein structure and behavior.
Farhan Ul Haq, Marc Terrones, Felicia Rodrigues Fortes, Anne Schepers, Alessia Denis, Christophe Deben, Ken Op de Beeck, Guy Van Camp, Geert Vandeweyer   +8 more
wiley   +1 more source