In the down-link secure space-air-ground integrated network (SAGIN) with practical discrete modulation symbols, we consider the joint design of the power of satellite and unmanned aerial vehicle (UAV) ...

My new free layered Pumpkin Fall Wreath SVG is a super cute file and perfect for scrapbooking and crafting with ... Read More ...

When both files have the current layer set to a non construction layer the information appears to be successfully imported When continuing to work on the imported information (in file “Bramley Land3”) ...

Traditional seismic data acquisition systems used for surveying during the exploration of oil and gas rely on cables between geophones and the data collection center. Despite the fact that cable-based ...