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基于LabVIEW的信号发生器的设计
2013-05-15 10:16:36 益择发布屈尔庆
(唐山钢铁股份有限公司自动化公司, 河北唐山 063000)
摘 要:传统的信号发生器其功能完全靠硬件实现,功能单一而且用户的购置、维护费用高。更重要的是,对于传统的
信号发生器,其功能一旦确定便不能更改,用户要想使用新的功能则必须重新购买新的仪器,传统信号发生器的不足显而易
见。这里研究的虚拟信号发生器可以接收输入信号并产生多种输出信号,信号输出频率、幅度等参数实时可调。主要具有如
下优点:用户可自由定义其功能;系统功能升级扩充方便快捷。
关键词:虚拟仪器; 信号发生器; LabVIEW; FFT
中图分类号: TP391 文献标识码:A 文章编号:10042373X(2010) 1120106202
Design of Signal Generator Based on LabVIEW
QU Er2qing
( Tangshan Steel Co. Ltd. , Tangshan 063009 , China)
Abstract : The functions of the t raditional signal generators are carried out solely on hardware. Only one of it s functions
can be set at the same time and can not be altered once they are fixed. The cost of the generator for purchasing and
maintaining is high. Therefore , the virtual signal generator was developed. It can achieve the input and output of multi sig2
nals , and it s parameters such as signal output f requency and amplitude can be adjusted timely. The advantages of this virtual
signal generator are that the users confine the functions of the generator and the upgrading and enlargement of the systematic
functions are convenient .
Keywords : virtual inst rument ; signal generator ; LabVIEW; FFT
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