皇冠信用网怎么开户

GB 15702-1995 electronic chart technical specifications

Issuing organization: General Administration of Quality Supervision, Inspection and Quarantine

Release time: 1995

Specification category: mandatory standards

Whether to abolish: No

new standard:

Old standard:

Click Preview
Link: http://pan.baidu.com/s/1c2f5ue

Password: 1346

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,

October 1993).

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 Terminology

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

Elements-based charts.

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

Used together.

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