| DSTFT在应答器信号解调方面的应用研究 |
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| 引用本文： | 赵亮,陈永刚. DSTFT在应答器信号解调方面的应用研究[J]. 电子质量, 2009, 0(5): 6-8 |
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| 作者姓名： | 赵亮 陈永刚 |
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| 作者单位： | 兰州交通大学自动化与电气工程学院,甘肃,兰州,730070 |
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| 摘 要： | 应答器2FSK信号的解调大多数采用时域解调的方式。文章将离散短时傅立叶变换（DSTST）应用到对应答器2FSK信号的解调，并且提供出一种简单可行的同步方法．对系统的硬件电路进行设计，包括A／D转换模块、RAM模块、算法模块、地址调整模块、判决模块．
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| 关 键 词： | 离散短时傅立叶变换 2FSK解调 应答器 信号同步 |
The Applicated Research of DSTFT in Balise for Signal Demodulation |
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| Zhao Liang,Chen Yong-gang. The Applicated Research of DSTFT in Balise for Signal Demodulation[J]. Electronics Quality, 2009, 0(5): 6-8 |
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| Authors: | Zhao Liang Chen Yong-gang |
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| Affiliation: | Lanzhou Jiaotong University;School of Automation & Electrical Engineering;Gansu Lanzhou 730070 |
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| Abstract: | The demodulation of 2FSK signal of the balise most use the time-domain demodulator. This article discrete short-time Fourier transform (DSTFT) to the application of 2FSK balise signal demodulation and provides a simple and workable method of synchronization. Design the hardware circuit for the modules of function, including the A / D converter modules, RAM modules, the algorithm module, address adjustment module,judgement module. |
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| Keywords: | Discrete Short-time Fourier Transform 2FSK Demodulator Balise Signal synchronization |
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