基于QT任意波发生器数据生成软件设计毕业设计论文.doc

PAGE 河南科技大学毕业设计（论文） PAGE PAGE \* MERGEFORMAT PAGE \* MERGEFORMAT I 毕业设计论文 基于QT的任意波形数据生成软件设计 摘 要 随着电子测量技术与计算机技术的紧密结合，一种新的信号发生器——任意波形发生器应运而生。用户可以用它生成任意复杂波形，因而具有广阔的应用前景。任意波形发生器是应用越来越广泛的一种信号源，而国内在任意波形发生器的研制方面相对较晚，推出的产品很少，市场占有率几乎为零。因此，对任意波形发生器的研制进行深入的研究已成为测试领域的一个新的课题，同时对于促进虚拟仪器技术的发展、应用以及适应自动测试系统的组建和完整性要求都具有深远的意义。 本设计是基于QT软件来实现任意波数据的生成，本系统包含有基本波形模块，谐波模块，手绘波形模块，基本波形合成模块。QT的模块程度更高、运行速度快、成本低、开发方便并且全部都是开放源代码。本任意波形发生器不仅能产生正弦波、方波、三角波等常用的标准信号，也可以将几种基本波形进行合成，并根据用户的需要生成任意波形，对于目前三种典型的任意波形发生器——PC总线插卡式，独立仪器，VXI模块都有重要的参考价值。 关 键 词：波形发生器，任意波形，QT，Linux QT-BASED ARBITRARY WAVEFORM GENERATION SOFTWARE DESIGN DATA ABSTRACT In modern electronic measuring instruments，test excitation signal generator used is a kind of very important instrument，closely integrated with the electronic measurement technology and computer technology，a new signal generator - came into being arbitrary waveform generator．Relatively late in the development of the domestic aspects of the arbitrary waveform generator，development and application of the product is relatively developed more slowly．Therefore，the development of an arbitrary waveform generator in-depth research has become a new subject areas tested，while all have far-reaching significance for promoting the development and application of virtual instrument technology and the automatic test system to adapt to the formation and integrity requirements． In this paper，based on the analysis of existing waveform generator design scheme，based on QT software to achieve arbitrary waveform data to generate a higher degree of QT module，running speed，low cost，easy to develop and are all open source．So whether it is based on the development of electronic technology，market demand or software-based quick and easy to use QT to achieve arbitrary waveform data generation is groundbreaking and is still very necessary．The arbitrary waveform generator can generate arbitrary waveforms according to the user s needs，the current three typical arbitrary waveform generator - PC