|
|
|
|
|
Yuxian Yue, Jinyue Geng, Guanhua Feng and Wenhao Li
Very-low Earth orbit (VLEO) space below 200 km is essential for high-quality communications and near-Earth space environment detection. Due to the significant atmospheric drag, orbital maintenance is required for spacecraft staying here. Based on air-bre...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ann Mary Eapen, Sidi Ahmed Bendoukha, Reem Al-Ali and Abdulrahman Sulaiman
This paper presents an in-depth analysis of DEWASAT-2, a 6U CubeSat designed for low Earth remote sensing applications. DEWASAT-2 is equipped with two payloads: a high-resolution camera for Earth observation and a spectrometer for detecting greenhouse ga...
ver más
|
|
|
|
|
|
|
|
|
|
|
Camilo Riano-Rios, Alberto Fedele and Riccardo Bevilacqua
In this paper, relative orbit and attitude adaptive controllers are integrated to perform roto-translational maneuvers for CubeSats equipped with a Drag Maneuvering Device (DMD). The DMD enables the host CubeSat with modulation of aerodynamic forces/torq...
ver más
|
|
|
|
|
|
|
|
|
|
|
Farhan Abdullah, Kei-ichi Okuyama, Isai Fajardo and Naoya Urakami
The low Earth orbit (LEO) environment exposes spacecraft to factors that can degrade the dimensional stability of the structure. Carbon Fibre/Polyether Ether Ketone (CF/PEEK) can limit such degradations. However, there are limited in-orbit data on the pe...
ver más
|
|
|
|
|
|
|
|
|
|
|
Giulio De Angelis, Stefano Carletta, Mauro Pontani and Paolo Teofilatto
Exploration of Venus is recently driven by the interest of the scientific community in understanding the evolution of Earth-size planets, and is leading the implementation of missions that can benefit from new design techniques and technology. In this wo...
ver más
|
|
|
|
|
|
|
|
|
|
|
Kiho Nishihara, Kei-ichi Okuyama, Rafael Rodriguez and Isai Fajardo
In this study, we focus on 3D-printed PEEK/CFRTP (Carbon-Fiber-Reinforced Thermoplastic) and PEEK (Polyether Ether Ketone) materials as new space materials. In space, there are intense ultraviolet (UV) rays that are weakened by the atmosphere on Earth, s...
ver más
|
|
|
|
|
|
|
|
|
|
|
Benedikt Bergmann, Stefan Gohl, Declan Garvey, Jindrich Jelínek and Petr Smolyanskiy
In space application, hybrid pixel detectors of the Timepix family have been considered mainly for the measurement of radiation levels and dosimetry in low earth orbits. Using the example of the Space Application of Timepix Radiation Monitor (SATRAM), we...
ver más
|
|
|
|
|
|
|
|
|
|
|
Zhiyu Wang, Zishen Li, Ningbo Wang, Mainul Hoque, Liang Wang, Ran Li, Yang Zhang and Hong Yuan
The real-time integer-ambiguity resolution of the carrier-phase observation is one of the most effective approaches to enhance the accuracy of real-time precise point positioning (PPP), kinematic precise orbit determination (KPOD), and reduced-dynamic pr...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jifeng Jin, Lin Shang, Zijian Yang, Haiwang Wang and Guotong Li
Satellite networks show the development trend in global coverage, flexible access, and reliable transmission. They are the key to building a wide coverage, massive connection, three-dimensional, all-round, all-weather, space-, air- and ground-integrated ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ilya Nikolichev and Vladimir Sesyukalov
The paper presents a sufficiently simple technique for designing a low-energy flight trajectory of a spacecraft (SC) from the Earth to the Moon with insertion into a low circular orbit of the latter. The proposed technique is based on the solution and su...
ver más
|
|
|
|
|
|
|
|
|
|
|
Miguel Limón-González, Enrique Rafael García-Sánchez, Héctor Simón Vargas-Martínez, Nicolás Quiroz-Hernández and Selene Edith Maya-Rueda
Communication between a nanosatellite located in Low Earth Orbit (LEO) and a ground station is limited in regions far from the poles, occurring for only a few minutes on different days and at different times. By utilizing satellite-to-satellite communica...
ver más
|
|
|
|
|
|
|
|
|
|
|
Toshihiro Kameda, Akihiro Nagata, Yohei Kimura, Ryujin Imai, Pragyan Shrestha, Keisuke Kimura, Atsushi Yasuda and Hiromasa Watanabe
A software-controllable, consumer-grade, single-chip transceiver integrated circuit (IC) has multiple applications because it can generate a continuous-wave beacon while providing the basic functions of frequency shift keying digital communication as wel...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jhonny Uscategui, Xinsheng Wang, Gerson Cuba and María Guarirapa
Small satellites with academic missions in low Earth orbit (LEO) employ magnetic attitude control systems primarily due to their ease of development and low cost. These systems utilize magnetorquers to generate a magnetic moment that interacts with Earth...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jia Yang, Zhong Zhang, Fanghua Jiang and Junfeng Li
Space-based gravitational wave (GW) detection at low frequencies is of great scientific significance and has received extensive attention in recent years. This work designs and optimizes the low-energy transfer of the heliocentric formation of GW detecto...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jonas Hofmann, Andreas Knopp, Chad M. Spooner, Giovanni Minelli and James Newman
Challenges in interference-limited satellite detection arising from the low-earth orbit (LEO) and the Industrial, Scientific and Medical (ISM) frequency bands are addressed. In particular, a novel signal presence detector based on cyclostationary signal ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Lorenzo Niccolai, Marco Bassetto, Alessandro A. Quarta and Giovanni Mengali
The presence of a number of space debris in low Earth orbits poses a serious threat for current spacecraft operations and future space missions. To mitigate this critical problem, international guidelines suggest that an artificial satellite should decay...
ver más
|
|
|
|
|
|
|
|
|
|
|
George-Cristian Potrivitu, Yufei Sun, Muhammad Wisnuh Aggriawan bin Rohaizat, Oleksii Cherkun, Luxiang Xu, Shiyong Huang and Shuyan Xu
The age of space electric propulsion arrived and found the space exploration endeavors at a paradigm shift in the context of new space. Mega-constellations of small satellites on low-Earth orbit (LEO) are proposed by many emerging commercial actors. Natu...
ver más
|
|
|
|
|
|
|
|
|
|
|
David W. Hinckley, Jr. and Darren L. Hitt
In this paper, we use differential evolution (DE), with best-evolved results refined using a Nelder?Mead optimization, to solve boundary-value complex problems in orbital mechanics relevant to low Earth orbits (LEO). A class of Lambert-type problems is e...
ver más
|
|
|
|
|
|
|
|
|
|
|
David W. Hinckley, Jr. and Darren L. Hitt
In this paper, we use differential evolution (DE), with best-evolved results refined using a Nelder?Mead optimization, to solve boundary-value complex problems in orbital mechanics relevant to low Earth orbits (LEO). A class of Lambert-type problems is e...
ver más
|
|
|
|
|
|
|
|
|
|
|
Leo Peiffer, Christian Perfler and Martin Tajmar
Consumable-free electron emitters are presently not feasible for autonomous tether-based deorbit devices such as E.T.PACK due to their power requirement. The bare-photovoltaic-tether (BPT) concept combines the bare tether electron collection with a tethe...
ver más
|
|
|
|
|
|