Design and Implementation of an X-Band Horn Antenna With a Metamaterial Lens Using 3D Printing Technology by Ji-Haeng Cho, Kyoung-Youl Park, Chul-Min Lim, Hae-Won Son

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Real-Time Precise Orbit Determination for LEO between Kinematic and Reduced-Dynamic with Ambiguity Resolution by Zhiyu Wang, Zishen Li, Ningbo Wang, Mainul Hoque, Liang Wang, Ran Li, Yang Zhang, Hong Yuan

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An Adjustable Wireless Backhaul Link Selection Algorithm for LEO-UAV-Sensor-Based Internet of Remote Things Network by Rui Chen, Wennai Wang, Wei Wu

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LEO Satellites Constellation-to-Ground QKD Links: Greek Quantum Communication Infrastructure Paradigm by Argiris Ntanos, Nikolaos K. Lyras, Dimitris Zavitsanos, Giannis Giannoulis, Athanasios D. Panagopoulos, Hercules Avramopoulos

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Neuro-fuzzy system based proportional derivative gain optimized attitude control of CubeSat under LEO perturbations by Muhammad Faisal Shehzad, Aamer Bilal Asghar, Mujtaba Hussain Jaffery, Khazina Naveed, Zsolt Čonka

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The Design and Analysis Program for the Development of LEO Satellite Electrical Power Subsystem by Sang-Kon Lee, Sung-Woong Ra

Subjects: “…LEO(Low Earth Orbit)…”
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Inter-Calibration and Statistical Validation of Topside Ionosphere Electron Density Observations Made by CSES-01 Mission by Alessio Pignalberi, Michael Pezzopane, Igino Coco, Mirko Piersanti, Fabio Giannattasio, Paola De Michelis, Roberta Tozzi, Giuseppe Consolini

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Machine Learning Techniques for Non-Terrestrial Networks by Romeo Giuliano, Eros Innocenti

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Performance of GNSS Global Ionospheric Modeling Augmented by LEO Constellation by Xiaodong Ren, Xiaohong Zhang, Michael Schmidt, Zhibo Zhao, Jun Chen, Jincheng Zhang, Xingxing Li

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Multi-UAV-assisted Internet of Remote Things communication within satellite–aerial–terrestrial integrated network by Yuanyuan Yao, Dengyang Dong, Changjun Cai, Sai Huang, Xin Yuan, Xiaocong Gong

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Ionospheric Error Models for Satellite-Based Navigation—Paving the Road towards LEO-PNT Solutions by Majed Imad, Antoine Grenier, Xiaolong Zhang, Jari Nurmi, Elena Simona Lohan

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QUADRIFILAR HELIX ANTENNA FOR WEATHER SATELLITE RECEPTION by ENOCH ADEAGBO, WALIU APENA, KAYODE AKINGBADE

Subjects: “…Quadrifilar Helix Antenna (QHA), Numerical Electromagnetics Code (NEC2), Half-Power Beamwidth (HPBW), Low-Earth-Orbit satellites (LEOs), Circularly Polarized (CP), Voltage Standing Wave Ratio (VSWR)…”
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Multi-Connectivity in 5G and Beyond Non-Terrestrial Networks by Mikko Majamaa, Henrik Martikainen, Lauri Sormunen, Jani Puttonen

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QUADRIFILAR HELIX ANTENNA FOR WEATHER SATELLITE RECEPTION by ENOCH ADEAGBO, WALIU APENA, KAYODE AKINGBADE

Subjects: “…Quadrifilar Helix Antenna (QHA), Numerical Electromagnetics Code (NEC2), Half-Power Beamwidth (HPBW), Low-Earth-Orbit satellites (LEOs), Circularly Polarized (CP), Voltage Standing Wave Ratio (VSWR)…”
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LEO-Based Coarse Positioning Through Angle-of-Arrival Estimation of Signals of Opportunity by Antonello Florio, Noori Bnilam, Claudio Talarico, Paolo Crosta, Gianfranco Avitabile, Giuseppe Coviello

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Joint Satellite-Transmitter and Ground-Receiver Digital Pre-Distortion for Active Phased Arrays in LEO Satellite Communications by Qingyue Chen, Zhugang Wang, Gert Frølund Pedersen, Ming Shen

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General Concepts & Components of Space Exploration / by Lam, Leland, author 648372

“…As of September 19, 2009, a total of 505 people from 38 countries have reached 100 km (62 mi) or more in altitude, of which 502 reached Low Earth orbit or beyond. Of these, 24 people have traveled beyond Low Earth orbit, to either lunar or trans-lunar orbit or to the surface of the moon, three of the 24 did so twice: Jim Lovell, John Young and Eugene Cernan.…”
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Long Baseline Stereovision for Automatic Detection and Ranging of Moving Objects in the Night Sky by Vlad Turcu, Florin Oniga, Radu Danescu, Octavian Cristea

“…As the number of objects in Earth’s atmosphere and in low Earth orbit is continuously increasing; accurate surveillance of these objects has become important. …”
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Continuous thrust tangential or perpendicular to the flight direction on a given transfer trajectory in planar Circular Restricted 3-Body Problem by Mircea DUMITRACHE

“…In the numerical application for tangential thrust the transfer from low Earth orbit to planar Lyapunov orbits around L1 and L2 Lagrangian points by a semi-elliptic transfer path is considered. …”
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Space situational awareness - development of satellite tracking methods by Tan, Kelvin Shi Chuan

“…Setting satellites at Low-Earth Orbit has been of great interest in recent years as seen by the thousands of satellites at that orbit, most of which have been placed there by private companies such as SpaceX. …”
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