各 专 业 完 整 优 秀 毕 业 论 文 设 计 图 纸通信线路故障定位系统作 者 姓 名： 学 号 ： 指 导 教 师： 摘 要本论文介绍了通信线路短路检测系统的设计和开发。该系统使用方便，成本低，能较精确的实现检测功能。论文详细介绍通信线路故障定位系统的组成，硬件系统和软件系统的开发过程。给出了系统的框图、原理图，以及主要程序设计的流程图和程序源码。在硬件方面重点分析了单片机与液晶模块的接口电路、检测电路、独立按键电路、发声电路以及单片机最小系统。在软件方面重点分析了系统程序的执行流程、参数设置流程、数据滤波算法和按键扫描算法。整个系统由电池供电，使用方便。通过控制单元完成系统参数设置、导线测量等功能。关键词：短路检测，线路检测算法，单片机最小系统AbstractThis paper describes the design and development of communication short circuit detection systems. The system is easy to use, low cost, to achieve accurate cross detection. Papers detailing the development process communications line failure detection system composed of hardware and software systems. A block diagram of the system, schematics, flowcharts and procedures as well as the main programming. On the hardware side focuses on the microcontroller and LCD module interface circuit, the detection circuit, the independent button circuit, voice circuit and the smallest single-chip systems. In terms of software analyzes the implementation process of the program, parameter setting processes, data filtering algorithm and key scanning algorithms. The system consists of a battery-powered, easy to use. By the control unit to complete the system parameter setting, wire measurement function.Key words: Short-circuit detection, line detection algorithm, smallest system of MCU目 录目 录................................................................1第1 章 绪论.........................................................31.1 选题背景及意义...............................................
