WM620 Hardware User Guide
V1.1
All rights reserved by Shenzhen Neoway Technology Co., Ltd.
Page 17
5 Abbreviations
ADC
Analog-Digital Converter
模数转换
AFC
Automatic Frequency Control
自动频率控制
AGC
Automatic Gain Control
自动增益控制
AMR
Acknowledged multirate (speech coder)
自适应多速率
CSD
Circuit Switched Data
电路交换数据
CPU
Central Processing Unit
中央处理单元
DAI
Digital Audio interface
数字音频接口
DAC
Digital-to-Analog Converter
数模转换
DCE
Data Communication Equipment
数据通讯设备
DSP
Digital Signal Processor
数字信号处理
DTE
Data Terminal Equipment
数据终端设备
DTMF
Dual Tone Multi-Frequency
双音多频
DTR
Data Terminal Ready
数据终端准备好
EFR
Enhanced Full Rate
增强型全速率
EGSM
Enhanced GSM
增强型
GSM
EMC
Electromagnetic Compatibility
电磁兼容
EMI
Electro Magnetic Interference
电磁干扰
ESD
Electronic Static Discharge
静电放电
ETS
European Telecommunication Standard
欧洲通信标准
FDMA
Frequency Division Multiple Access
频分多址
FR
Full Rate
全速率
GPRS
General Packet Radio Service
通用分组无线业务
GSM
Global Standard for Mobile Communications
全球移动通讯系统
HR
Half Rate
半速率
IC
Integrated Circuit
集成电路
IMEI
International Mobile Equipment Identity
国际移动设备标识
LCD
Liquid Crystal Display
液晶显示器
LED
Light Emitting Diode
发光二极管
MS
Mobile Station
移动台
PCB
Printed Circuit Board
印刷电路板
