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INTERNATIONAL HYDROGRAPHIC ORGANIZATION

GLOSSARY

ECDIS-RELATED TERMS

3rd Edition - December 1997

Special Publication No. 52

Appendix 3

Published by the

International Hydrographic Bureau

MONACO

400-II-1998 S-52 App. 3

Preface

The purpose of this Glossary of ECDIS-related terms is to facilitate reading and interpreting the

standards and specifications related to ECDIS issued by IMO and IHO, namely the ECDIS Performance

Standards, the IHO Special Publications S-52 (including its Appendices) and S-57.

This 3rd edition has been developed by the Glossary Working Group of the IHO Committee on

Hydrographic Requirements for Information Systems (CHRIS). It has been completely revised based on the

latest editions of the relevant ECDIS-related standards and specifications.

The reader should be aware that it is not intended to cover everythingthat has a bearing on ECDIS,

and that many definitions only reflect a rather narrow meaning the terms have in conjunction with ECDIS.

The Glossary, therefore, should not be used as general reference for hydrographic, navigational or

information technology terms. Some of the relevant IHO specifications contain a glossary of terms on their

own. Only those definitions which have a wider use beyond the limits of a particular publication have been

incorporated from these specific glossaries.

The "invention" of new definitions has been avoided as far as possible. Use has been made instead

of either general dictionaries such as the Hydrographic Dictionary (IHO Special Publication S-32), and

Bowditch, or of other relevant documents. References are provided in square brackets. It should be noted

that sometimes a definition taken from another source may be an excerpt from the original definition, or is

slightly modified in order to better meet ECDIS terminology. Where it was felt, however, that the special

meaning of a term in conjunction with ECDIS requires a correspondingly specialized approach, new

definitions were developed.

Advantage has been taken of guidelines provided in the "Short guide for writing definitions"

published by the ISO TC211 Committee [ISO]. In particular, an attempt has been made to separate the

core of the definition from any additional explanations, examples etc. through the addition of Notes.

All entries to the Glossary are given in lower case, except acronyms and proper names. Cross

references to other definitions in the Glossary are provided byitalicizing the respective term.Acronymsare

integrated in the Glossary with cross references. Some illustrations are annexed to the Glossary to show

relationships between terms.

Any suggestions for improvement, corrections and extensions are welcome. As the Working Group

will be disbanded on publication of this edition, comments should be addressed to the Chairman of CHRIS

through the International Hydrographic Bureau.

accuracy

The extent to which a measured or enumerated value agrees with the assumed or accepted value.

See precision. [HD]

aid to navigation

Visual, acoustical or radio device external to a vessel designed to assist in the determination of a

safe course or of a vessel's position, or to warn of dangers and obstructions. [Bowditch]

AIS

See Automatic Identification System.

alarm

An alarm or alarm system which announces by audible means, or audible and visual means, a

condition requiring attention. [PS]

all other information

Term used in the Performance Standards for ECDIS to describe information not belonging to the

standard display. Also sometimes called "on-demand information". (See Fig. 3)

application profile

Data structure. A defined subject of the S-57. [TS]

Note:

An application profile is defined for a specific purpose, such as the transfer of ENC data.

applier

An entity controlling the application of the update information, e.g. the mariner keying in update

information, or the software inside ECDIS automatically processing the ENC update information.

[UG]

area

The 2-dimensional geometric primitive of an object that specifies location. (See Fig. 4)

ARPA

See Automatic Radar Plotting Aid.

attribute

A characteristic of an object. It is implemented by a defined attribute label/code, acronym,

definition and applicable values. In the data structure, the attribute is identified by its label/code.

The acronym is only used as a quick reference in related documents and in ENC Product

Specification. Attributes are either qualitative or quantitative. [TS]

Note:

see Appendix A, IHO Object Catalogue.

attribute label/code

A fixed length numeric label or a 2-byte unsigned integer code of an attribute as defined in

Appendix A, IHO Object Catalogue. [TS]

attribute value

See attribute label/code.

Automatic Identification System (AIS)

An automatic communication and identification system intended to improve the safety of

navigation by assisting in the efficient operation of vessel traffic services (VTS), ship reporting,

ship-to-ship and ship-to-shore operations.

Note:

A transponder is an example of an AIS. AIS information may be displayed on an ECDIS.

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yiningchen

2011-11-10

挂羊头卖狗肉。附件明明是ECDIS名词解释。
wliaoc

2012-01-13

根本不是显示标准，没有对符号的相关说明
普通网友

2011-09-22

建议移步至： http://download.csdn.net/download/iuhiao/2885555

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