Research On Cooperative Coverage Technology Of The Distributed Electronic Warfare Network

With the rapid development of electronic information technology and battlefield wireless communication networks,the distributed electronic warfare networks has become an important development direction in the field of electronic warfare because it can effectively meet the challenges of the complex electromagnetic environment in the battlefield,and enhance the concealment,invulnerability,situational awareness and cooperative countermeasure effectiveness of electronic warfare network.As the key technology of distributed electronic warfare,network coverage provides powerful information support for the implementation of tasks such as intelligent decision-making,cooperative confrontation and effectiveness evaluation.The research content has important theoretical significance and military value.Focusing on the coverage of distributed electronic warfare networks in the complex electromagnetic environment of the battlefield,this dissertation clarifies the research on the cooperative coverage detection and the coverage optimization on the basis of expounding the research background,research significance and research status of the distributed electronic warfare networks.Firstly,according to the difference of signal coverage in battlefield wireless communication networks with key nodes,the dissertation proposes a cooperative coverage detection algorithm by PSO-BP-Kriging interpolation based on static electronic warfare networks.The algorithm adopts PSO-BP-Kriging interpolation to estimate the perceived blind zone of the static electronic warfare networks,and realizes the cooperative detection of the target area signal coverage by integrating the sensing data and interpolation estimation data of the electronic warfare node in the battlefield wireless communication network.The simulation results show that the algorithm studied in the dissertation has good estimation accuracy and feasibility.Secondly,aiming at the limitation of the traditional coverage optimization algorithm for regarding the target region as the uniform region,the dissertation puts forward a key region coverage optimization algorithm by improving the cuckoo search algorithm based on the mobile electronic warfare networks.The concept of the key area is proposed according to the detection value of target area and the idea of weighted coverage rate is introduced to distinguish the importance of different areas in the dissertation.Then the key area coverage optimization is realized based on the location update equation of the algorithm improved by using the location information of nodes and the detection probability parameters of the algorithm adjusted adaptively.The simulation results show that compared with other classical algorithms,the proposed algorithm has faster convergence speed and can improve the coverage of key areas more effectively.Finally,in order to overcome the low controllability of static electronic warfare network and the high energy consumption of mobile electronic warfare networks,the dissertation presents a coverage optimization algorithm based on mobile planning for hybrid electronic warfare networks.The algorithm improves the coverage of hybrid electronic warfare networks by cuckoo search optimization algorithm.On this basis,the optimal deployment position of electronic warfare node is adjusted by the presented node mobile planning scheme to reduce the number of mobile electronic warfare nodes and the average mobile distance.The simulation results show that the algorithm presented in the dissertation is more effective than other algorithms in terms of the average moving distance and the number of electronic warfare nodes needed to be moved,and has better applicability and practical significance.