The invention discloses an unmanned aerial vehicle detection and identification method based on fractal dimension, which belongs to the technical field of unmanned aerial vehicle detection, comprisesa signal receiving module and a signal processing module, is suitable for the field of unmanned aerial vehicle detection and classification identification, and is characterized in that a software radio frequency daughter board is connected with a 2.4 GHz directional antenna to receive a wireless signal; and whether the amplitude of the received signal is stably greater than a preset threshold is judged to detect an unmanned aerial vehicle signal, if so, Haar wavelet transform is performed on the signal and an effective unmanned aerial vehicle signal is extracted, the fractal dimension of the unmanned aerial vehicle signal is calculated to serve as a feature 'fingerprint' of the unmanned aerial vehicle vehicle, and finally classification identification is performed on the unmanned aerial vehicle by using a classification identification algorithm.
本发明公开了一种基于分形维数的无人机探测与识别方法,属于无人机探测技术领域,包括信号接收模块、信号处理模块,适用于无人机探测与分类识别领域,其主要思路为:使用软件无线电射频子板连接2.4GHz定向天线接收无线信号;判断接收信号的幅值是否稳定大于预设阈值来检测无人机信号,若是,对信号进行Haar小波变换并提取出有效无人机信号,计算无人机信号分形维数作为该无人机设备的特征“指纹”,最后使用分类识别算法对无人机进行分类识别。
Unmanned aerial vehicle detection and identification method based on fractal dimension
一种基于分形维数的无人机探测与识别方法
2020-12-29
Patent
Elektronische Ressource
Chinesisch
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