基于虚拟仪器的应答器设计  

Design and develop responder based on virtual instrument

作　　者：高峰[1] 张明伟[1] 李桂娟[1] 范琳[1] 

机构地区：[1]水下测控技术国防科技重点实验室,大连116013

出　　处：《电子测量技术》2009年第12期131-133,共3页Electronic Measurement Technology

基　　金：国防科技重点实验室预研项目(51303030407)

摘　　要：为了更好地获取水下目标的声反射特性,设计了一种基于虚拟仪器的应答器系统。该系统采用回声转发测量方法,此方法简单,可有效去除信道干扰,校准参数少。详细介绍了直达声与应答系统的硬件设计以及采用LabVIEW软件对上层应用程序的设计,其中重点阐述了数据采集、仪器控制、多线程、队列、事件发生等几个关键技术在上层应用程序设计中的应用。实验结果表明,系统操作灵活且稳定性好,与传统文本编程方法相比,大大缩短了系统的开发周期。In order to get the underwater target reflection characteristic, a kind of virtual instrument-based transponder systems is designed. Echo repeater measuring method is used in the system, because the method is simple, and can effectively remove channel interference, and calibration parameters is less. It is introduced that hardware design of direct sound and answering system and the design of upper application program applying LabVIEW in the system, and the application of several key techniques is emphatically formulated in the upper application program design, such as data acquisition, equipment control, multi-thread, queue, event generation and so on. The experimental results show that the system has operational flexibility and stability, as compared with the traditional text programming methods, greatly reducing the system development cycle.

关 键 词：回声转发法 LABVIEW 数据采集 仪器控制 多线程 队列 事件发生 

分 类 号：TP216[自动化与计算机技术—检测技术与自动化装置]