At 09:4, June 23, 2020, China successfully launched 55th navigation satellites of Beidou system and the last global network satellite of BeiDou 3 with Long March No. 3 B carrier rocket in Xi... Read more
Recently, a coal mine drone has attracted attention. Can drones be used in coal mines? If it can, how to realize real-time positioning of UAV (fixed-point hover)? This article about the tech... Read more
