Abstract: Astronomic positioning and orientation can be used to obtain the astronomic longitude and latitude of a station and the astronomic azimuth of a ground target by observing stars. The results of the positioning and orientation ...

Abstract: An integrated ship domain at close quarters is proposed based on the mutual interaction and maneuvering capabilities of the meeting ships. Firstly, the significance and conditions of mutual interaction and maneuvering ...

Abstract: Reference crop evapotranspiration (ET0) is of great importance in assessing the potential impacts of climate changes on hydrological cycles and the global energy balance. The spatiotemporal change of ET0 and the drought ...