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本文针对LabVIEW软件的特点,利用LabVIEW方便的程序外观和操作控制功能,提出了基于虚拟仪器技术的系统的构建方法。文章通过分析调制解调原理,设计了三个子模块,构建了FM调制解调系统。说明了将虚拟仪器技术运用于高频电子技术实验中的优点和该方法的可行性。实践结果表明,教学效果好,学生学习有兴趣和热情,具有很好的推广和借鉴价值。
In this paper, according to the characteristics of LabVIEW software, using LabVIEW convenient program appearance and operation control functions, the system construction method based on virtual instrument technology is proposed. By analyzing the principle of modulation and demodulation, the article designs three submodules and constructs an FM modem system. The advantages of using virtual instrument technology in high frequency electronic experiment and the feasibility of the method are illustrated. Practice shows that the teaching effect is good, students are interested in learning and enthusiasm, with good promotion and reference value.