|
|
|
|
|
Jingyan Xie, Yun-Ze Li, Lizhu Yang and Yuehang Sun
Thermal performance has long been recognized as a critical attribute for space systems. Thermal control surface coating is a common method in passive thermal protection. Unfortunately, limited analyzing models and data on the influence of thermal control...
ver más
|
|
|
|
|
|
|
|
|
|
|
Francesco Lopez, Anna Mauro, Stefano Mauro, Giuseppe Monteleone, Domenico Edoardo Sfasciamuro and Andrea Villa
The goal of this research is to define a lunar-orbiting system that provides power to the lunar surface through wireless power transmission. To meet the power demand of a lunar base, a constellation of satellites placed in stable orbits is used. Each sat...
ver más
|
|
|
|
|
|
|
|
|
|
|
Pedro Pintor, Manuel Lopez-Martinez, Emilio Gonzalez, Jan Safar and Ronan Boyle
Global Navigation Satellite System (GNSS) technology supports all phases of maritime navigation and serves as an integral component of the Automatic Identification System (AIS) and, by extension, Vessel Traffic Service (VTS) systems. However, the accurac...
ver más
|
|
|
|
|
|
|
|
|
|
|
Haizhou Cao, Jing Yang, Xuemeng Zhao, Tiechui Yao, Jue Wang, Hui He and Yangang Wang
The penetration of photovoltaic (PV) energy has gained a significant increase in recent years because of its sustainable and clean characteristics. However, the uncertainty of PV power affected by variable weather poses challenges to an accurate short-te...
ver más
|
|
|
|
|
|
|
|
|
|
|
Rizwan Shaik Peerla, Ashudeb Dutta and Bibhu Datta Sahoo
This paper presents a multiplexer-based extended range multi-modulus divider (ER-MMD) technique for multi-band phase locked loop (PLL). The architecture maintains a modular structure by using conventional 2/3" role="presentation">2/32/3
2
/
3
divider ce...
ver más
|
|
|
|
|
|
|
|
|
|
|
Andrea Colagrossi and Michèle Lavagna
The capability to orient the solar arrays of a spacecraft toward the Sun is an ultimate asset for any attitude determination and control subsystem (ADCS). This ability should be maintained in any operative circumstance, either nominal or off-nominal, to ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Peng Luo, Yuanjie Song, Xiaoyang Xu, Chen Wang, Shaowei Zhang, Yeqiang Shu, Yonggui Ma, Chong Shen and Chuan Tian
Marine submerged buoys can effectively obtain various parameters of seawater, which plays an important role in the research of marine physical phenomena, marine environmental changes, and climate change. However, traditional self-contained submerged buoy...
ver más
|
|
|
|
|
|
|
|
|
|
|
Tae-Yong Park, Bong-Geon Chae, Hongrae Kim, Kyung-Rae Koo, Sung-Chan Song and Hyun-Ung Oh
The main objective of the S-STEP (the Small Synthetic Aperture Radar (SAR) Technology Experimental Project (S-STEP)) mission is developing an 80-kg-class active X-band SAR observation small satellite. For lighter, smaller, better, and cheaper development...
ver más
|
|
|
|
|
|
|
|
|
|
|
Mohammad Hossein Same, Gabriel Gleeton, Gabriel Gandubert, Preslav Ivanov and Rene Jr Landry
By increasing the demand for radio frequency (RF) and access of hackers and spoofers to low price hardware and software defined radios (SDR), radio frequency interference (RFI) became a more frequent and serious problem. In order to increase the security...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ubaldo Marín-Comitre, Álvaro Gómez-Gutiérrez, Francisco Lavado-Contador, Manuel Sánchez-Fernández and Alberto Alfonso-Torreño
Watering ponds represent an important part of the hydrological resources in some water-limited environments. Knowledge about their storage capacity and geometrical characteristics is crucial for a better understanding and management of water resources in...
ver más
|
|
|
|
|
|