水下无线光通信强度调制直接检测 技术规范 (Technical specification of intensity modulation / direct detection for under -water wireless optical communication ) 2022年12月28日 发布 2023年01月01日 实施 重庆市云计算和大数据产业协会标准化技术委员会 发布 ICS: 35.220, 37.020, 17.180.01 M33, M36 示例 团 体 标 准 T/CQCBDS 00 62-2022 全国团体标准信息平台 T/ CQCBDS 0062 -2022 I 目 次 目 次 ................................ ................................ ................................ ................................ ............................... I 前 言 ................................ ................................ ................................ ................................ ............................ III 引 言 ................................ ................................ ................................ ................................ ............................ IV 水下无线光通信强度调制直接检测技术规范 ................................ ................................ ................................ .. 1 1 范围 ................................ ................................ ................................ ................................ ................................ .. 1 2 规范性引用文件 ................................ ................................ ................................ ................................ .............. 1 3 术语和定义 ................................ ................................ ................................ ................................ ...................... 1 3.1 强度调制直接检测 intensity modulation / direct detection ................................ ................................ ........ 1 3.2 光强度直接调制 directly modulation of optical power density ................................ ................................ .. 1 3.3 载波 carrier wave ................................ ................................ ................................ ................................ ......... 1 3.4 调制 modulation ................................ ................................ ................................ ................................ ........... 1 3.5 解调 demod ulation ................................ ................................ ................................ ................................ ....... 1 3.6 数据通信速率 data communication rate ................................ ................................ ................................ ...... 1 3.7 巴克码 Barker code ................................ ................................ ................................ ................................ ..... 2 4 缩略语 ................................ ................................ ................................ ................................ .............................. 2 5 强度调制直接检测主要技术参数 ................................ ................................ ................................ .................. 2 5.1 载波波长 ................................ ................................ ................................ ................................ ....................... 2 5.1.1 波长范围 ................................ ................................ ................................ ................................ .................... 2 5.1.2 衰减特性 ................................ ................................ ................................ ................................ .................... 2 5.2 调制方式 ................................ ................................ ................................ ................................ ....................... 3 5.2.1 LED 通信模式 ................................ ................................ ................................ ................................ ............ 3 5.2.2 激光通信模式 ................................ ................................ ................................ ................................ ............ 3 5.3 帧同步巴克码表示形式 ................................ ................................