Target radiation source individual recognition method

An identification method and radiation source technology, applied in the field of wireless signal processing systems, can solve the problems of complex implementation, poor identification performance, low reliability, etc.

Active Publication Date: 2019-02-05
XIDIAN UNIV
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Problems solved by technology

[0003] To sum up, the problems existing in the existing technology are: the recognition performance of the existing technolo

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  • Target radiation source individual recognition method
  • Target radiation source individual recognition method

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Embodiment Construction

[0092] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0093] The invention aims to solve the problems of poor recognition performance, complex implementation and low reliability in the prior art in an environment with a low signal-to-noise ratio. The invention can effectively realize the identification of individual target radiation sources in a low signal-to-noise ratio environment, and does not need preprocessing such as signal-to-noise ratio estimation.

[0094] The application principle of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0095] Such as figure 1 As shown, the target radiation source individual identi...

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Abstract

The invention belongs to the technical field of methods or devices applying electronic equipment for recognition, and discloses a target radiation source individual recognition method. The target radiation source individual recognition method comprises the steps that a received target radiation source signal is subjected to empirical modal decomposition and variational modal decomposition to obtain different modal components; each intrinsic modal component is denoised through singular spectral analysis, and multi-scale arrangement entropy of each modal component is calculated to construct feature vectors; and the feature vectors are subjected to dimensionality reduction through principal component analysis, and target radiation source individual recognition is achieved through a support vector machine classifier. Target radiation source individual recognition under an environment with the lower signal-to-noise ratio can be effectively achieved, and pretreatment such as signal-to-noiseratio estimation is not needed.

Description

technical field [0001] The invention belongs to the technical field of identification methods or devices using electronic equipment, and in particular relates to a wireless signal processing system for an individual identification method of a target radiation source. Background technique [0002] At present, the existing technologies commonly used in the industry are as follows: the basic task of the radiation source individual identification technology is to use the fingerprint characteristics of passive observation signals to identify the specific radiation source target that emits the signal and obtain enemy tactical electronic intelligence. Radiation source individual identification technology has extensive and in-depth applications in many fields such as electronic intelligence reconnaissance, electronic support, cognitive radio, and wireless network security. It has always been one of the research hotspots in the field of signal processing. At present, the research in ...

Claims

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Application Information

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IPC IPC(8): G01S13/00G06K9/62
CPCG01S13/00G06F18/2411
Inventor 刘明骞李坤明张俊林李兵兵葛建华
Owner XIDIAN UNIV
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