基于C++ builder的高采样率动态信号实时绘图研究  

C++ Builder based real-time plotting technology for dynamic signal in high sample rate

作　　者：关爱锐[1] 刘旭华[1] 

机构地区：[1]中国飞行试验研究院,陕西西安710089

出　　处：《现代电子技术》2013年第12期53-54,60,共3页Modern Electronics Technique

摘　　要：针对在颤振飞行试验实时监控过程中高采样率动态信号时间历程曲线实时显示特点,介绍了如何在C++ builder环境中使用TChart控件实时绘制动态参数曲线,并对采用控件和算法的特点及选择准则做了详细分析,给出了相关程序代码。该算法先将颤振数据实时存放在数组里,然后结合TChart控件和TTimer控件采用翻页方式来实时显示其时间历程曲线。通过在颤振试飞监控中实际应用表明,该算法能有效实时显示真实动态信号,满足课题监控需求。该算法还可应用于电力系统的振动检测系统。Aiming at the time history curve real-time display characteristic of dynamic signal in high sample rate during flight flutter test monitoring, real-time drawing of dynamic curve via TChart control under the circumstance of C＋＋ Builder is in- troduced, the characteristics and choice criterion of the adopted control and algorithm are analysed in detail, and the relative program code is shown. In the algorithm, the flutter data is stored in digit group first, and then its time history curve is dis- played in real time by page turning mode in combination with Tchart control and Ttimer control. The practical application in flight flutter test monitoring shows that the algorithm can effectively display actual dynamic signal in real time, and meet the monitoring requirements. The algorithm can be also applied to the vibration monitoring system of power system.

关 键 词：高采样率 动态信号 定时器 TChart实时绘图 飞行监控 

分 类 号：TN919.34[电子电信—通信与信息系统]