本文采用多线程、有限状态机和动态链接库技术设计一种信令数据仿真测试仪的软件体系结构。

This paper puts forward a design of software System Framework of the signaling data simulation tester based on the technology of multithreading, finite state machine and dynamic link library.

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在单片机用户系统的设计中，必须对硬件和软件进行具体仿真。通过分析单片机系统的晶振电路、上电总清和负载能力来解决实际遇到的问题。

This paper introduces simulation methods of MCU hardware and software systems and help to solve actual problems by analyzing crystal circuit, electriferous reset and load capacity of the systems.

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另外，选用VB进行PC机应用软件的开发，编制了插补仿真界面，编写了VB与MATLAB接口程序，以及VB与PLC通信的程序。

In addition, this paper chooses VB to develop application software for PC, and designs interface of interpolation simulation, and compiles interface program of VB and MATLAB, as well as VB and PLC.

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