Results 51 to 60 of about 28,026 (100)

Infrared Dim and Small Target Detection Based on Local–Global Feature Fusion

open access: yesApplied Sciences
Infrared detection, known for its robust anti-interference capabilities, performs well in all weather conditions and various environments. Its applications include precision guidance, surveillance, and early warning systems.
Xiao Ling   +5 more
doaj   +1 more source

ERNet: A Rapid Road Crack Detection Method Using Low-Altitude UAV Remote Sensing Images

open access: yesRemote Sensing
The rapid and accurate detection of road cracks is of great significance for road health monitoring, but currently, this work is mainly completed through manual site surveys.
Zexian Duan   +4 more
doaj   +1 more source

Enhancement of Solar Array Drive Assembly System Stability through Linear Active Disturbance Rejection Control

open access: yesAerospace
To improve the Solar Array Drive Assembly (SADA) system, a servo control method known as Linear Active Disturbance Rejection Control (LADRC) is introduced, utilizing a speed loop for a Permanent Magnet Synchronous Motor (PMSM).
Jianyuan Wang   +4 more
doaj   +1 more source

Exploring the Versatility of Aerogels: Broad Applications in Biomedical Engineering, Astronautics, Energy Storage, Biosensing, and Current Progress

open access: yesHeliyon
Aerogels are unique and extremely porous substances with fascinating characteristics such as ultra-low density, extraordinary surface area, and excellent thermal insulation capabilities.
Nazia Rodoshi Khan   +2 more
doaj  

To Sterilize an Astronaut

JAMA: The Journal of the American Medical Association, 1971
To the Editor.— The precautions imposed on returning astronauts in an attempt to prevent a mysterious moon infection from contaminating the earth are truly unbelievable. That the dramatic efforts taken by these intelligent and scientific doctors could in any way alter such a situation is difficult to understand, nor is it possible to understand mental
openaire   +3 more sources

The Smallest Astronauts

Scientific American, 2011
The article discusses a mission by the Russian Federal Space Agency which seeks to determine if it is possible for life to survive travel between the Earth and Mars. The agency will send the Grunt probe, a space vehicle containing the Living Interplanetary Flight Experiment (LIFE) container, to Phobos, one of the planet's moons, and will return to ...
openaire   +3 more sources

Astronautics and psychology

Acta Astronautica, 1991
The methods presently applied in the psychological training of astronauts are based on the principle of ensuring maximum performance of astronauts during missions. The shortcomings are obvious since those undergoing training provide nothing but the best ability to cope with Earth problem situations and add simply an experience of space problem ...
openaire   +3 more sources

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