The scheme is mainly composed of GPS reference station, ship-borne mobile terminal and ship monitoring and management center. The GPS reference station receiver and the special monitoring receiver of ship mobile terminal transmit the GPS data received

1. Summarize the scheme of using advanced technologies such as global satellite positioning system (GNSS), geographic information system (GIS) and wireless communication technology to carry out all-weather, omni-directional and three-dimensional monitorin

Channel monitoring and management mainly aim at the measurement of hydrological velocity and timely release of information for shipping roads.