缩略语

英 文 全 称

含   义

AIS

Automatic Identification System

自动识别系统

BER

Bit Error Rate

误码率

BT

Bandwidth Time product

带宽时间乘积

BIIT

Built-In Integrity Tests

机内自检

COG

Course over ground

对地航向

CPA

Closest Point of Approaching

最近会遇点

CRC

Cyclic Redundancy Check

循环冗余校验

CS

Carrier-Sense

载波侦听

CSD

Compass Safe Distance

罗经安全距离

CSTDMA

Carrier-Sense Time Division Multiple Access

载波侦听时分多址接入

DCPA

Distance to Closest Point of Approaching

最近会遇距离

DGNSS

Differential Global Navigation Satellite System

差分全球卫星导航系统

DLS

Data Link Service

数据链服务

DSC

Digital Selective Calling

数字选择呼叫

EUT

Equipment Under Test

被测设备

FM

Frequency Modulation

调频

GDOP

Geometric dilution of precision

几何精度因子

GMSK

Gaussian Minimum Shift Keying

高斯滤波最小移频键控

GNSS

Global Navigation Satellite System

全球卫星导航系统

GPS

Global positioning system

全球定位系统

HDLC

High level Data Link Control

高级数据链路控制规程

HDOP

Horizontal dilution of precision

水平精度因子

IMO

International Maritime Organisation

国际海事组织

ITDMA

Incremental Time Division Multiple Access

增量时分多址接入

LME

Link Management Entity

链路管理实体

MAC

Medium Access Control

媒体接入控制

MMSI

Maritime Mobile Service Identity

海上移动业务标识

NM

Nautical Miles (refer to ISO 19018)

海里（按照ISO 19018定义）

NRZI

Non Return to Zero Inverted

不归零反转码

PER

Packet Error Rate

误包率

PDOP

Positional dilution of precision

定位精度因子

PI

Presentation Interface

表示层接口

RAIM

Receiver Autonomous Integrity Monitoring

接收机自主完好性监视

RATDMA

Random Access Time Division Multiple Access

随机访问时分多址

RF

Radio Frequency

射频

Rx

Receive

接收

SA

Selective Availability

选择可用性

SINAD

Signal Interference Noise and Distortion ratio

信纳比

SOG

Speed over ground

对地航速

SOTDMA

Self-organizied Time Division Multiple Access

自组织时分多址接入

TCPA

Time to Closest Point of Approaching

最近会遇时间

TDMA

Time Division Multiple Access

时分多址

Tx

Transmit

发射

UTC

Universal Time Coordinated

协调世界时

VDL

VHF Data Link

甚高频数据链

VHF

Very High Frequency

甚高频

VSWR

Voltage Standing Wave Ratio

电压驻波比