منابع مشابه
Unmanned Aerial Vehicle Instrumentation for Rapid Aerial Photo System
This research will proposed a new kind of relatively low cost autonomous UAV that will enable farmers to make just in time mosaics of aerial photo of their crop. These mosaics of aerial photo should be able to be produced with relatively low cost and within the 24 hours of acquisition constraint. The autonomous UAV will be equipped with payload management system specifically developed for rapid...
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The internal erosion of soil results from seepage flow. It appears to be the main cause of severe hydraulic failure for dams and dikes. All around the world, 46% of dams present a risk of internal erosion. In France, 70 critical cases have already been detected. When internal erosion is suspected, the delay to failure is hardly predictable. Then, authorities should be able to develop effective ...
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We present a model system that behaves as a measurement apparatus for quantum systems should. The device is macroscopic, it interacts with the microscopic system to be measured, and the results of that interaction affect the macroscopic device in a macroscopic, irreversible way. Everything is treated quantum mechanically: the apparatus is defined in terms of its (many) coordinates, the Hamilton...
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ژورنال
عنوان ژورنال: Scientific American
سال: 1892
ISSN: 0036-8733
DOI: 10.1038/scientificamerican03121892-167