Issuing organization: General Administration of Quality Supervision, Inspection and Quarantine
Release time: 1995
Specification category: mandatory standards
Whether to abolish: No
national standards of People's Republic of China
GB 1 57 02-19 95
Electronic chart technical specifications
Sp eci fi cat io ns forel ect ro ni cc ha rt s
This standard refers to the chart content and display method using the International Hydrographic Organization (IHO) S-52 "Electronic Chart Display and Information System"
SPECIFICATIONS FOR CHART CONTENT AND DISPLAY ASPECTS OF ECDIS, 3rd Edition,
1 Topic content and scope
This standard specifies the principles and methods for making electronic charts, the content that electronic charts should have, and specifies the application of electronic chart application systems.
Basic requirements when using electronic charts.
This standard applies to the production and use of electronic charts, and can also be used as a reference when other computer systems use electronic charts.
2 Reference standards
GB 1 23 17 chart schema
GB 1 2 31 8 Specifications for the preparation of nautical charts
3.1 Electronic Chart, EC
Electronically identifiable, processed, and attached to a certain carrier, represented by digital information, to describe the geographic elements and navigation of the sea
3.2 Electronic Chart Display and Information System, ECDIS
Under the control of a dedicated computer, chart information, ship position information, radar information, and ship dynamic parameters are processed centrally. Graphic and audio synthesis
A marine automation system that reflects the maritime situation. It consists of chart data files, control display equipment, external sensors and special software. its
The basic function is to display the sea area conditions, provide navigational data for navigation personnel, assist the navigation personnel to formulate planned routes, plot real-time tracks, and monitor.
Navigation. The chart display is equivalent to the paper chart.
3.3 Electronic Chart System, ECS
Marine systems used to display charts and tracks are not equivalent to paper charts in chart display. Application in navigation should be matched with paper charts
3.4 Electronic Chart Application System, ECAS
Application system using electronic chart navigation is a general term for 3.2, 3.3 or other systems that use electronic chart work. When not equipped with electronic sea
When drawing, it is called electronic chart equipment for short.
3.5 default display
Also called standard display or must display. It is a mode that displays the contents of the chart in layers according to importance. Refers to the launch of the electronic chart application system
After the integration of the system, the contents of the charts related to navigation safety are displayed without intervention. This display mode is usually maintained during normal navigation.
3.6 true motion display
Refers to the chart content as a fixed reference, depicting the position of the ship and other moving targets (such as radar targets) on the surface of the earth