基于VI的多通道FFT频谱分析仪的设计  

Design of VI-Based Multi-Channel FFT Spectrum Analyzer

作　　者：马立军[1] 

机构地区：[1]柳州职业技术学院电子电气工程系,广西柳州545006

出　　处：《柳州职业技术学院学报》2009年第1期99-103,共5页Journal of Liuzhou Vocational & Technical College

摘　　要：提出一种基于虚拟仪器技术的多通道FFT频谱分析仪设计方案,分析虚拟仪器技术在频谱分析仪设计上的主要流程。给出设计的频谱分析仪组成框图和各模块需要完成的功能实现,重点分析传感器模块、采集模块和嵌入式系统等三个关键模块实现原理与设计优化,最后对仪器的总体性能进行测试与分析。结果证明该方案简单实用,具有较高的性价比。This paper puts forward a design of the multi-channel FFT spectrum analyzer based on virtual instrument technology and analyzes the main flow of virtual instrument technology in the design of a spectrum analyzer. The designed composition of spectrum analysis diagram and the modules required to complete the functions are provided, focusing on analysis of the three key principles of implementation and design optimization, such as the sensor module, collection module and the embedded system modules. Finally the testing and analysis for overall performance of the apparatus are discussed. The results prove that the program is simple and practical.

关 键 词：虚拟仪器 多通道 频谱分析仪 采集 传感器 

分 类 号：H136[语言文字—汉语] H146.1