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在交通雷达监控终端中,既要正确运行多个任务,又要保证系统的实时性,针对此问题,提出并实现了基于Qt的软件设计方案。首先分析了交通雷达的基本结构和工作原理,并通过研究Qt的实现机制,确立了Qt/E的开发流程,在此基础上建立了Qt的开发环境,对ARM所需完成的功能进行了合理的划分,着重对ARM与DSP的通信、监控界面的设计和ARM的网络通信做了详细的描述。实验测试表明,该设计方案能保证系统的可靠工作以及交通流量信息的安全传输和显示,可应用于交通流量监控领域。
In traffic radar monitoring terminal, it is necessary to run multiple tasks correctly, but also to ensure the real-time system. To solve this problem, a software design scheme based on Qt is proposed and implemented. First of all, the basic structure and working principle of traffic radar are analyzed. Through the research on the realization mechanism of Qt, the development process of Qt / E is established. On this basis, the development environment of Qt is established and the functions required by ARM are reasonable Of the division, focusing on ARM and DSP communications, monitoring interface design and ARM network communications made a detailed description. Experimental results show that this design scheme can ensure the reliable operation of the system and the safe transmission and display of traffic flow information, which can be applied to traffic flow monitoring.