| LabWindoWs/CVI软件平台下调幅信号解调的软件实现 |
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| 引用本文： | 梁鸿生,裴晓梅,乔永明.LabWindoWs/CVI软件平台下调幅信号解调的软件实现[J].仪表技术与传感器,2002(8):23-25,47. |
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| 作者姓名： | 梁鸿生 裴晓梅 乔永明 |
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| 作者单位： | 西安理工大学,陕西,西安,710048 |
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| 摘 要： | 文中对比模拟电路中实现调幅信号解调的两种常用方法，通过数学推导，给出了软件处理的算法依据，同时给出了利用同态滤波的思想实现调幅信号解调的原理。并在LabWindows/CVI软件平台下利用其提供的功能强大的信号分析函数库采用3种不同方法实现调幅信号解调。最后给出仿真实例，并得出调幅信号解调的软件实现优于硬件实现的结论。
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| 关 键 词： | 电涡流传感器 调幅信号 解调 LabWindows／CVI 同态滤波 |
| 文章编号： | 1002-1841(2002)08-0023-03 |
Software Realization for Demodulation of AM Signal Under LabWindows/CVI |
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| Liang Hongsheng,Pei Xiaomei,Qiao Yongming.Software Realization for Demodulation of AM Signal Under LabWindows/CVI[J].Instrument Technique and Sensor,2002(8):23-25,47. |
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| Authors: | Liang Hongsheng Pei Xiaomei Qiao Yongming |
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| Abstract: | Compared to two common methods of realizing demodulation of AM signal in analogue circuit,algorithm basis of software processing is presented through mathematics derivation and principle for demodulation of AM signal based on Homomorphic Filter is given.Also,the software realization of demodulation of AM signal is performed using powerful Advanced Analysis function Library provided by LabWindows/CVI.Finally a simulation example is given to show that the software realization is superior to hardware realization for demodulation of AM signal. |
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| Keywords: | Eddy Current Sensor AM(Amplitude Modulation) Signal Demodulation LabWindows/CVI Homomorphic Filter |
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