Abstract: In this paper, we propose a novel radial line planar phased array in which helical antenna elements are individually rotated by their respective connected micromotors to realize dynamic beam ...

Abstract: Currently, the trend of group use of unmanned aerial vehicles (UAVs) is actively developing. This allows to significantly increase their efficiency due to coverage of larger areas, ...

This video shows a modern public staircase in Shenzhen, China, decorated with a line of pink flowers along the center path. The design highlights how simple visual elements can transform functional ...

Given a sorted array and a target value, return the index if the target is found. If not, return the index where it would be if it were inserted in order. You may assume no duplicates in the array.