目录
摘要
ABSTRACT
第一章 绪 论 .................................................................................................................................... 1
§1.1 引言 ..................................................................................................................................... 1
§1.2 课题的来源及意义 .............................................................................................................1
§1.3 国内外光纤识别器的发展、研究现状及分析 ................................................................ 2
§1.4 本课题的主要研究内容及方案 .........................................................................................3
§1.5 主要关键技术 .....................................................................................................................3
第二章 系统测量原理及硬件设计 ....................................................................................................5
§2.1 光纤识别器测量系统概述 .................................................................................................5
§2.1.1 理论分析 ..................................................................................................................5
§2.1.2 实验报告 ..................................................................................................................6
§2.2 光纤识别器的电路设计 .....................................................................................................8
§2.2.1 光电转换 ..................................................................................................................9
§2.2.2 模拟信号处理 ........................................................................................................ 11
§2.2.3 稳零反馈电路 ........................................................................................................15
§2.2.4 测频电路 ................................................................................................................18
§2.2.5 模数转换 ................................................................................................................19
§2.2.6 单片机控制 ............................................................................................................20
§2.2.7 电源系统 ................................................................................................................21
§2.3 本章小结 ........................................................................................................................... 23
第三章 系统软件设计 ........................................................................................................................24
§3.1 系统软件设计概述 .............................................................................................................24
§3.2 对各部件的初始化 .............................................................................................................25
§3.3 A/D 的初始化 ...................................................................................................................... 25
§3.4 稳零反馈部分的软件设计 .................................................................................................27
§3.4.1 D/A 的软件控制 .......................................................................................................27
§3.4.2 调节过程 ..................................................................................................................28
§3.4.3 PID 算法控制 ........................................................................................................... 31
§3.5 方向识别 ............................................................................................................................. 32
§3.6 频率识别 ............................................................................................................................. 37
§3.7 本章小结 ............................................................................................................................. 42
第四章 电路板调试及操作说明 ........................................................................................................43
§4.1 电路板调试 .........................................................................................................................43
§4.2 光纤识别器操作说明 .........................................................................................................45
第五章 总结与展望 ............................................................................................................................ 49
§5.1 光纤识别网络化 .................................................................................................................49
§5.2 系统总体方案设计 .............................................................................................................51
§5.2.1 任务及功能分析 ......................................................................................................51
§5.2.2 总体设计 ..................................................................................................................54
§5.3 总结 ..................................................................................................................................... 55