نتایج جستجو برای: indoor environment
تعداد نتایج: 543514 فیلتر نتایج به سال:
Increasingly, policymakers in Europe and around the world are realizing the importance of healthy indoor environments for public health. Certain member states of the European Union (EU) have already achieved successes in improving indoor environmental quality, such as controlling certain contaminants (e.g., environmental tobacco smoke) or developing nationwide policies that address indoor air g...
At present, the development and application of outdoor navigation is already quite mature. Car navigating system and mobile navigating system have been good to meet people’s requirements to find the path in outdoor. With the development of outdoor navigation system, indoor navigation system is also being paid more attention, especially in an unfamiliar and complex indoor environment. This paper...
This paper proposes a new propagation model to accurately predict outdoor-to-indoor propagation loss. Account is taken of the structural openings along the paths; it is assumed that outdoor-to-indoor paths are possible only through wall openings such as doors and windows. Introducing the angle dependency of the losses with the paths that penetrate the indoor area makes it possible to accurately...
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