Intra-pulse modulation recognition of radar signal based on random forest

Ge LIU; Guoyi ZHANG; Yan YU

doi:10.11959/j.issn.1000-0801.2016151

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Intra-pulse modulation recognition of radar signal based on random forest

research and development | 更新时间：2024-06-05

- Intra-pulse modulation recognition of radar signal based on random forest
- Observation and communication Vol. 32, Issue 5, Pages: 69-78(2016)
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- DOI：10.11959/j.issn.1000-0801.2016151
  CLC： TN971.1
- Published Online：2016-05，
  
  Published：20 May 2016
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Ge LIU, Guoyi ZHANG, Yan YU. Intra-pulse modulation recognition of radar signal based on random forest[J]. Observation and communication, 2016, 32(5): 69-78.
DOI：

Ge LIU, Guoyi ZHANG, Yan YU. Intra-pulse modulation recognition of radar signal based on random forest[J]. Observation and communication, 2016, 32(5): 69-78. DOI： 10.11959/j.issn.1000-0801.2016151.

摘要

针对雷达信号脉内调制识别算法存在着准确率低的问题，提出一种新的雷达脉内调制类型自动识别方法，该方法首先提取雷达信号时频图像的形状特征和纹理特征构成融合特征，然后将融合特征输入随机森林分类器，实现信号的分类识别。仿真实验中对8种常见的不同调制类型的雷达信号进行识别，提出的算法在信噪比为-2 dB时识别准确率可以达到90%以上，验证了该方法的有效性。

Abstract

To solve the existing problems of low recognition rate and noise problem in radar signal recognition

the fusion feature extraction method of time-frequency image and the random forest classifier is applied to the identification of radar signals.The radar signal time-frequency image was firstly extracted the shape features and texture features to anstitute fusion characteristics

into and then input fusioncharacteristics radom forest classifier recognition of the signal classification was realized.The results of simulation experiments for eight kinds of common radar signals to recognition show that recognition accuracy of the method proposed can be achieved more than 90% in SNR -2 dB

so it also verify the effectiveness of the method.

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references

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