منابع مشابه
Aeronautics and Astronautics
TOPICS RELATED TO ROTORCRAFTAND VERTICAL FLIGHT: The rotary wing program led by Professor Wood has worked in the following areas: Professors Wood's and Danielson's and research for 1999 and 2000 is focused on developing the capability of modeling the effects of a 23mm HEI (high explosive incendiary) inside the Comanche helicopter. Recent work at NPS has resulted in a new and powerful tool for e...
متن کاملAmerican Institute of Aeronautics and Astronautics
The raison d'etre of the Airline Passenger Transportation System (APTS) is the rapid, affordable, and safe transportation of passengers (and cargo). Traditional APTS performance metrics, such as flight delays and cancellation rates, fail to account for the delays to passenger trips caused by cancelled flights, missed connections and diversions. Previous research estimated Passenger Trip Delays ...
متن کاملAn Application of Point Pattern Matching in Astronautics
We consider a point pattern matching problem occuring in astronautics: Given are pictures from a camera with unknown orientation, showing a section of the starry sky. We want to determine the orientation of the camera by matching the constellations in the pictures with a star catalogue. This problem occurs for satellite attitude determination with star eld sensors. We present a new solution, wh...
متن کاملGlobal Developments in Priority Setting in Health
Countries around the world are experiencing an ever-increasing need to make choices in investments in health and healthcare. This makes it incumbent upon them to have formal processes in place to optimize the legitimacy of eventual decisions. There is now growing experience among countries of the implementation of stakeholder participation, and a developing convergence of methods to support dec...
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ژورنال
عنوان ژورنال: Nature
سال: 1961
ISSN: 0028-0836,1476-4687
DOI: 10.1038/192310a0