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SAC Subscriber Authorization Center 用户授权中心

SAS Subscriber Authorized System 用户授权系统

SAWF Surface Acoustic Wave Filter 声表面波滤波器

SCK System Clock 系统时钟

SCL Serial Clock 串行时钟

S-CDMA Synchronous-Code Division Multiple Access 同步码分多址

SDA Serial Data 串行数据

SDRAM Synchronous DRAM 同步动态随机存取存储器

SDTV Standard Definition Television 标(准)清(晰度)电视

SECAM Sequential Colour And Memory 顺序彩色传送与记忆存储(彩电制式)(https://www.daowen.com)

SER Symbol Error Rate 符号误码率

SIT Service Information Table 业务信息表

SIF Sound Intermediate Frequency 伴音中频

Standard Interface 标准接口

SIO Serial Input/Output 串行输入/输出

SMS Sudscriber Management System 用户管理系统

SNR Signal-to-Noise Ratio 信噪比

STB Set-Top-Box 机顶盒

S-VIDEO S-Video S端视频(S端子)

SWR Standing Wave Ratio 驻波比