HF DFH Hop-Detecting Method Based on STFT and G Function LIU

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- HF DFH Hop-Detecting Method Based on STFT and G Function LIU
- Acta Electronica Sinica Vol. 31, Issue 1, Pages: 85-88(2003)
- 作者机构：
  
  总参第63研究所,江苏,南京,210007
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN97
- Published：2003
- 稿件说明：
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Zhong-ying, ZHANG Yi, YAO Fu-qiang. HF DFH Hop-Detecting Method Based on STFT and G Function LIU[J]. Acta Electronica Sinica, 2003, 31(1): 85-88.
DOI：

Zhong-ying, ZHANG Yi, YAO Fu-qiang. HF DFH Hop-Detecting Method Based on STFT and G Function LIU[J]. Acta Electronica Sinica, 2003, 31(1): 85-88. DOI：

差分跳频利用频率的跳变携带信息

只要正确检测出每跳的频率

就可以恢复出信息.本文提出一种基于STFT的跳检测方法

并与G函数相结合来分析短波DFH信号在每跳时间间隔内的频率特性

以检测可能的跳频率.仿真结果表明

在短波信道几种可能的情况下

检测效果良好.

The information is carried through the hopping of frequency in DFH(Differential frequency hopping).If only the frequency is detected out

the information can be recovered.One method of hop-detecting based on STFT is put forward

and the frequency features of HF DFH signal in one-hop time is analyzed through it in this paper.Combining with the G function

it can detect the possible frequency.The simulation shows the detecting result is good in several kinds of HF channel.

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Related Author

LIU Zhong-ying

WAN Qian

YAO Fu-qiang

Related Institution

Institute of Communication Engineering PLAUST

Institute of Communication Engineering PLAUSTNanjingJiangsu 210016China

The 63rd Research Institute of PLA General Staff HeadquartersNanjingJiangsu 210016China

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