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RBF neural network optimization method based on improved manta ray foraging optimization algorithm

A technology of RBF network and neural network, which is applied in the field of RBF neural network optimization based on the improved manta ray foraging optimization algorithm, can solve the problems of reducing jumping out of local optimum, poor algorithm optimization effect, and premature maturity, so as to improve the convergence speed and accuracy, the effect of expanding the search range

Pending Publication Date: 2021-08-10
JIANGSU UNIV OF SCI & TECH
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Problems solved by technology

MRFO uses randomly generated data to initialize the population, so the initial diversity of the population is difficult to guarantee, and the global search ability of the algorithm is limited
Secondly, the position of the somersault strategy in the manta ray foraging optimization algorithm is updated, and the value of the tumbling factor S affects the balance between exploration and development capabilities. Improper values ​​can easily cause the population to gather quickly in the later stage and reduce the possibility of jumping out of the local optimum
Finally, in the late stage of the standard MRFO iteration, manta ray individuals gradually converge, and the phenomenon of "premature" appears, especially when it comes to high-dimensional problems, the population often converges to an optimal solution and lingers around it and is not easy to jump out, which leads to the optimization of the algorithm The effect becomes worse

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  • RBF neural network optimization method based on improved manta ray foraging optimization algorithm
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  • RBF neural network optimization method based on improved manta ray foraging optimization algorithm

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[0042] In order to deepen the understanding of the present invention, the present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments, which are only used to explain the present invention and do not limit the protection scope of the present invention.

[0043] The invention discloses an RBF neural network optimization method based on an improved manta ray foraging optimization algorithm. The RBF neural network is used to illustrate sea clutter training and establish a sea clutter prediction model. figure 1 The specific steps of this embodiment are given:

[0044] Step 1: RBF is selected by the present invention to model sea clutter because of its simple structure and strong generalization ability. The number of input and output nodes of RBF is selected through sea clutter training data, and the number of hidden layers is artificially determined through repeated experiments to obtain the topology structure of RBF as ...

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Abstract

The invention relates to the technical field of neural network optimization, in particular to an RBF neural network optimization method based on an improved manta ray foraging optimization algorithm, which adopts the improved manta ray foraging optimization algorithm to optimize RBF and improve sea clutter prediction and suppression precision. According to the invention, the population is initialized by adopting a dynamic general reverse learning strategy, the population diversity is enriched, and a possible solution of a search space is further mined; secondly, the golden sine algorithm is adopted to improve the prying foraging strategy, the optimization mode is optimized, and the global search and local development capabilities of the algorithm are enhanced; in addition, the optimal solution is disturbed through adaptive probability and mixed variation, the convergence speed of the algorithm and the capability of jumping out of local optimum are improved, and an ideal result is found. The precision and the convergence speed of the improved manta ray foraging optimization algorithm are improved to a certain extent, and the RBF can be helped to find the optimal initial parameters.

Description

technical field [0001] The invention relates to the technical field of neural network optimization, in particular to an RBF neural network optimization method based on an improved manta ray foraging optimization algorithm. Background technique [0002] As a technical means of ocean safety monitoring, high-frequency ground wave radar is widely used in the fields of sea surface target detection and sea state information monitoring because of its advantages of all-weather, over-the-horizon, and low cost. With the increasing complexity of the marine environment and international security situation, it has become an inevitable trend to face threats and challenges from the ocean. At the same time, higher requirements are placed on radar detection performance. However, when the high-frequency ground wave radar detects the target, the first-order sea clutter will be mixed in the radar echo, resulting in missed or false alarms. Therefore, the ability of target detection is closely r...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06N3/00G06N3/08G06N3/04
CPCG06N3/006G06N3/084G06N3/04
Inventor 尚尚杨童王召斌戴园强张先芝刘明何康宁
Owner JIANGSU UNIV OF SCI & TECH
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