接口检测及时域波形分析软件设计与实现

发布时间：2019-05-22 21:21

【摘要】：综合通信系统由主控设备、转接设备及多个终端设备组成，设备之间通过有线电缆相连。该系统接口数量繁多，主要分为串口、电台口及二线口三类。接口的有效性是整个系统正常工作的基础，保障接口有效性的重要手段是检测和测试。然而，现存的测试设备并不能很好地解决接口检测的问题。目前，对接口的检测主要采用传统测试仪器进行人工测试，测试手段单一，且传统仪器使用繁琐，对测试人员专业要求较高，检测周期长，不能快速大量地对接口进行检测。为此，本文设计并开发了接口测试仪软件，针对综合通信系统设计接口测试方案，以帧数据报文测试的方式判断设备是否正常工作，若异常，则通过电压、电流、波形及频谱检查被测设备的板卡，定位故障板卡，实现快速修复。本文所做主要工作如下：第一，分析被测设备接口报文及信号，提出接口测试仪的功能需求和性能指标，，基于OMAP3530平台划分接口测试仪的软件层次及结构，设计系统各个单元间的通信协议，并规定单元间通信实现方式。第二，分析接口测试仪的关键技术，设计报文处理算法及信号处理算法。采用帧数据测试思想对被测设备报文收发能力进行测试，采用高速DSP实现波形数据的去抖、滤波及参数计算。第三，整合图像界面单元和系统控制单元，建立程序完善的配置机制和控制机制，简化操作流程，达到对接口测试仪控制管理的目的。第四，通过实际测试及模拟测试两种测试方式对接口测试仪的功能进行测试，保证接口测试仪工作的有效性及可靠性。本文针对综合通信系统中的接口设计并开发了接口测试仪软件，将帧数据测试功能与示波器功能集成在一台便携式小型设备上。通过接口测试仪，能够快速有效地对该通信系统中的接口进行日常检测和维护，简化了接口测试的繁琐工作，具有良好的军用价值，现已投入使用。
[Abstract]:The integrated communication system is composed of main control equipment, switching equipment and several terminal equipment, and the equipment is connected by wired cable. The system has a large number of interfaces, mainly divided into serial port, radio port and second port three categories. The effectiveness of the interface is the basis of the normal work of the whole system, and the important means to ensure the effectiveness of the interface is to detect and test. However, the existing test equipment can not solve the problem of interface detection. At present, the traditional testing instruments are mainly used for manual testing of the interface, the test means are single, and the use of the traditional instruments is tedious, the professional requirements of the testers are high, the detection cycle is long, and the interface can not be detected quickly and extensively. For this reason, this paper designs and develops the interface tester software, designs the interface test scheme for the integrated communication system, and judges whether the equipment is working properly by frame data message test. If it is abnormal, it passes through voltage and current. The waveform and spectrum check the board of the equipment under test, locate the fault card, and realize the rapid repair. The main work of this paper is as follows: first, the interface message and signal of the tested equipment are analyzed, the functional requirements and performance indexes of the interface tester are put forward, and the software hierarchy and structure of the interface tester are divided based on OMAP3530 platform. The communication protocol between each unit of the system is designed, and the realization mode of communication between units is stipulated. Secondly, the key technology of interface tester is analyzed, and the message processing algorithm and signal processing algorithm are designed. The frame data test idea is used to test the message receiving and receiving ability of the equipment under test, and the high speed DSP is used to realize the de-shaking of waveform data and the calculation of filtering and parameters. Thirdly, the image interface unit and the system control unit are integrated, the configuration mechanism and control mechanism of the program are established, the operation flow is simplified, and the purpose of control and management of the interface tester is achieved. Fourth, the function of the interface tester is tested by practical test and simulation test, so as to ensure the effectiveness and reliability of the interface tester. In this paper, the interface tester software is designed and developed for the interface of integrated communication system. The frame data test function and oscilloscope function are integrated into a portable small device. Through the interface tester, the interface in the communication system can be detected and maintained quickly and effectively, which simplifies the tedious work of interface testing and has good military value, and has been put into use.
【学位授予单位】：电子科技大学
【学位级别】：硕士
【学位授予年份】：2013
【分类号】：TP334.7

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