Autonomous Unmanned Aerial Vehicles (UAVs) are prohibitively expensive for use in civilian surveillance applications. This is in large part due to the manufactures need to recoup the costs of research and development. The more intelligence that is incorporated into unmanned vehicles, the more expensive it is to validate. At Cornell University an autopilot system for UAVs has been developed and ...

today, economic and environmental performance are tightly closed to each other. the natural environment plays an important role in supporting economic activity; directly, by providing resources and raw materials such as water, timber and minerals that are required as inputs for the production of goods and services; and indirectly, through services provided by ecosystems including carbon seques...

according to the historians, the safavid dynasty was the pioneer of the shī‘ī ideology against the official rule of the ottoman empire in eastern countries. the safavid empire in iran came into being by the mutual assistance of the qizilbāsh troops rising form the geopolitics of asia minor. what is of importance, however, is the attitude and beliefs of these supporting troops of the safavid ord...

generally, studied villages as regard to the socioeconomic structure have not considerable development in comparison with their around structure due to functional area.  nowadays, regarding rural development, proceeding with economical analysis of geographical areas has a great position. considering the applied investigations, upon increasing the knowledge and literacy and scientific and practi...