| 2FSK信号的相关解码算法 |
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| 引用本文： | 龙胜春.2FSK信号的相关解码算法[J].通信学报,2003,24(11):172-176. |
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| 作者姓名： | 龙胜春 |
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| 作者单位： | 浙江大学,生仪学院临床工程研究所,浙江,杭州,310031 |
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| 摘 要： | 给出了一种基于短时循环自相关特性的2FSK信号快速解码算法。该算法具有抗干扰性能好、编程简单、计算量少、信号动态范围大、便于用DSP芯片实现等优点。用此算法设计的系统实时解调8路2FSK信号，实地入网运行效果良好。文中对相关解码算法运用中的有关问题进行了讨论。
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| 关 键 词： | 信号检测 相关解调 2FSK 相关函数 |
| 文章编号： | 1000-436X(2003)11-0172-05 |
| 修稿时间： | 2002年2月21日 |
A correlation demodulation algorithm of 2FSK signal |
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| LONG Sheng-chun.A correlation demodulation algorithm of 2FSK signal[J].Journal on Communications,2003,24(11):172-176. |
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| Authors: | LONG Sheng-chun |
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| Abstract: | This paper presents a fast demodulation algorithm of a 2FSK signal based on short time cycle autocorrelation. The new algorithm has evident advantages such as good antijamming,easy programming, less computation, big dynamic range,convenient realization on DSP chips and so on. It has been used in a communication system design to demodulate 8 channels of 2FSK signal real time, and shown that the system works well on line. A discussion of relative issues about the new algorithm applications are also given in the paper. |
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| Keywords: | signal detection correlation demodulation 2FSK correlation function |
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