常用计算机网络技术缩写词和术语

LAN：Local Area Network 局域网

WAN: Wide Area Network 广域网

MAN: Metropolitan Area Network 城域网

FM: Frequency Modulation 频率调制

AM: Amplitude Modulation 振幅调制

PM: Phase Modulation 相位调制

FSK: Frequency-shift Keying 移频键控或频移键控ASK: Amplitude- shift Keying 幅移键控

PSK: Phase- shift Keying 相移键控

PCM: Pulse Code Modulation 脉冲编码调制

FDM: Frequency Division Multiplexing 频分复用TDM: Time Division Multiplexing 时分复用

WDM: Wavelength Frequency Division Multiplexing 波分复用

FDMA: Frequency Division Multiple Access 频分多址接入TDMA: Time Division Multiple Access 时分多址接入

CDMA: Code Division Multiple Access 码分多址接入PDU: Protocol Data Unit 协议数据单元

SDU: Service Data Unit 服务数据单元

DTE: Data Terminal Equipment 数据终端设备

DCE: Data Comunication Equipment

或 Data Circuit-terminating Equipment 数据电路端接设备

Fiber-optic Cable:光纤电缆

Thick Ethernet: 粗缆

Thin Ethernet: 细缆