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Janis Dalbins, Kristo Allaje, Hendrik Ehrpais, Iaroslav Iakubivskyi, Erik Ilbis, Pekka Janhunen, Joosep Kivastik, Maido Merisalu, Mart Noorma, Mihkel Pajusalu, Indrek Sünter, Antti Tamm, Hans Teras, Petri Toivanen, Boris Segret and Andris Slavinskis
Nanosatellites have established their importance in low-Earth orbit (LEO), and it is common for student teams to build them for educational and technology demonstration purposes. The next challenge is the technology maturity for deep-space missions. The ...
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Ding Li, Wenzhong Li, Guoqiang Zhang, Yizhou Chen, Xu Zhong, Mingkai Lin and Sanglu Lu
In many applications, data streams are indispensable to describe the relationships between nodes in networks, such as social networks, computer networks, and hyperlink networks. Fundamentally, a graph stream is a dynamic representation of a graph, which ...
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Hongming Cai, Zhuoran Zhang and Shuanghou Deng
Recently, ducted fan unmanned aerial vehicles (UAVs) have attracted considerable attention due to their potential for application in both civil and military missions. Compared with free propellers, the presence of duct can in principle decrease the flow ...
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Anindita Paul, Jaime Ramirez-Angulo, Héctor Vázquez-Leal, Jesús Huerta-Chua and Alejandro Diaz-Sanchez
A highly power-efficient, fully differential Miller op-amp with accurately controlled output quiescent current is introduced. The op-amp can drive both capacitive and resistive load due to the presence of the auxiliary amplifier. This amplifier helps to ...
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Alexander Hauser, Michael Neubert, Alexander Feldner, Alexander Horn, Fabian Grimm and Jürgen Karl
The methanation process is discussed as one way to chemically store renewable energy in a future energy system. An important criterion for its application is the availability of compact, low-cost reactor concepts with high conversion rates for decentrali...
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