中国科技核心期刊
中国指挥与控制学会会刊
军事装备类重点期刊
中国指挥与控制学会会刊
军事装备类重点期刊
中国指挥与控制学会会刊
军事装备类重点期刊
In recent years, convolutional neural networks have become more and more excellent in the fields of image classification, image retrieval and object detection. The research on the application of deep learning in sea battlefield target image recognition is more and more abundant. This paper first summarizes the theory and development process of the commonly used deep learning techniques in the target image recognition system, and then compares the advantages and disadvantages of traditional recognition technology and deep learning technology, R-CNN series model based on regional suggestion and regression-based YOLO model. The application status of deep learning technology in the image recognition of sea battlefield targets is reviewed. Finally, the possible development direction of future image recognition technology of sea battlefield targets is prospected.
The detection probability of the dipping sonar is closely related to the Marine environment, the target strength of the submarine, the training level of the sonar personnel and the judgment strategy. Firstly, it gives a brief analysis model of active sonar, underwater acoustic communication model, the reverberation model, strength model and simulation, such as analysis under the BELLHOP sound propagation model under different ambient noise, and submarine under different noise reduction measures of dipping sonar range, the influence of part define sonar coefficient and build bright spot detection hypothesis model for many times, the closer to the actual simulation of dipping sonar searching.
Based on the analysis about the research of air operation decision-making, when the state space scale increases, the rules and conditions of the model’s external autonomous decision-making describe complex and difficult problems, this paper puts forward the behavioral tree modeling and simulation method for air combat decision-making. The general process of air warfare simulation decision-making is elaborated, the external autonomous decision-making rules of air combat are combed, the air combat behavior tree model based on model external autonomous decision-making is constructed, and the air combat behavior tree model is implemented based on Lua scripting language, and finally simulation is used. The wargaming system OCEAN is used to demonstrate the case and realize the autonomous decision-making simulation of the air combat behavior tree, which proves the effectiveness of the method.
Weapon node and guide node at different combat unit can form the interception coalition to construct the integrated combat assignment. The model of integrated cooperation anti-air dynamic weapon target in support of warship was given in consideration of the threat of target as the objective function. In order to promote the efficiency of tackling the proposed model, a novel compact genetic algorithm was proposed in this paper. The proposed algorithm is also used to tackle the dynamic weapon-target problem, simulation results show that the proposed model and the algorithm performs better than other methods.
In response to the continuous development of anti-ship missile penetration technology and the increasingly severe forms of ship-to-air defense, in order to meet the application requirements of combat theory and tactical research, the anti-ship missile function and typical flight trajectory are studied and anti-ship missiles are studied. The function of the model is analyzed in a modular way. Based on the tactical deduction system, a modeling method for the modified model is proposed. The simulation test results show that the modified model can simulate the missile equipment of different types and different guidance modes by changing the missile parameter settings, and has good reusability and scalability. In the end, the modified model was successfully applied in the process of tactical deduction to provide effective support for examining the rationality of combat plans and the study of tactics.
The problem of firepower compatibility of naval vessel formation is researched. The development of firepower compatibility is summed in this paper. The author discusses on the changing of the navy surface warship combat mode and the influence on firepower compatibility. Based on analyzing the different between the single-platform firepower compatibility and the cross-platform firepower compatibility, the concept of the cross-platform firepower compatibility is described. The conclusions of this paper are meaningful to sustain the research on the optimization of multi-weapon organizing of naval vessel formation in network centric warfare.
The information interoperability between domestic related equipment integrated support standards is poor, and it is difficult to realize data reuse.The S Series Integrated Logistics Support System defines the equipment life cycle information format through the UML model,builds a data reuse framework that integrates safeguard information and lays the foundation for the integrated use of comprehensive assurance information.However, S-series standards do not provide mappings between data from different standards and there are too many data elements in each standard,so it is difficult to find the mapping relationship.To solve this problem,use,firstly,SX002D and Levenshtein distance-based string fuzzy matching method to narrow the mapping range.Afterwards, through manual screening, the mapping relationship between the data models of the S Series Integrated Logistics Support Standards was found.Experiments show that this method can improve the search efficiency of the mapping relationship while maintaining certain matching accuracy.
This article analyzes the influence factors of the change of target characteristics on missile interception capability, studies a method for calculating the killing zone of surface-to-air missile. Then, it obtains the application rules of missile interception of atypical targets. In the end, it provides a quantitative basis for the commander to deploy missile positions, choose the launch window and volume of fire, and has strong practicability and operability.
Structure feature of magnetic gradient tensor system is an important factor influencing the measurement accuracy, in order to analyze the structure of different magnetic gradient tensor systems, the mixed magnetic model of ellipsoid combined with magnetic dipole array is used to simulate the measurement results of magnetic gradient tensor system, main factors influencing the measurement accuracy are also analyzed in the simulation. The simulation results show that the cross magnetic gradient tensor system is the best, and measurement error will be decreased with the higher precision magnetometer and smaller baseline distance, the conclusion can be used as the theoretical guidance of the construction of magnetic gradient tensor system.
For storage layout is unreasonable, this paper picks out the transporting distance, time, cost as the three key factors to be considered importantly. The multi-objective programming theory is introduced to build a storage layout model of camping equipment material. Starting from the optimization of security point, adjustment of varieties and capacity, and the new construction of supply point, this paper optimizes the layout model. After the optimization of the reserve layout model, the advantages and disadvantages of the model are analyzed.
The air-to-ground attack process, as an important means of warfare in modern warfare, involves the assessment of combat damage effectiveness and the existing model of battle damage assessment is finer, so it is difficult to adapt to the abstract requirement of modeling in theater-level warfare with complex ground targets. By describing the type of airborne warhead, it is divided into point kill weapon and surface kill weapon, and the damage effectiveness index of single weapon is determined. The ground aggregation target is decomposed into different sub-objects through the structure tree, and standard sub-objectives are created according to the classification of sub targets and the ability of protection. The mapping relationship between the physical damage and the attenuation degree of effectiveness is determined, and the damage effect is judged by the degree of effectiveness attenuation. In the end, the air strikes on the military bases on the blue square island are taken as an example. The results of the theory and the simulation experiment are compared to verify the accuracy of the model.
In order to describe the idea and method of the project group in the study of improving the effectiveness of the weapon system, an improved extension strategy generation method is proposed to generate the extension strategy to solve the problem. The optimization method is used to evaluate the generated strategy, so as to select the most suitable extension strategy and provide a new way and idea for the research and development of the weapon system and the solution of the contradiction in the process of effectiveness analysis. An example of improving the effectiveness of shipborne weapon system shows that the method is effective and operable.
Aiming at the core competence evaluation of equipment maintenance support, adopting the method of set pair theory. Firstly, the concept and connotation of core competence are defined. Secondly, on the basis of the basic principle of set pair theory, the evaluation index system of the core competence of equipment maintenance support is constructed. Finally, core competency assessment model based on set pair theory is established, and examples are analyzed to obtain the core maintenance capability level of maintenance and repair units. The results show that the method is scientific and effective, and it can provide certain reference for the separation of military and civilian integration equipment maintenance support tasks.
First of all, The paper analyzes combat task from the micro level and the meta-task sequence is formed through the decomposition method in the combat capability requirement generation of weapon system. Secondly, the combat capability index system of weapon system is constructed, and the paper analyzes the mapping relationship between capability indexes and meta-tasks. Combat capability requirement of weapon system is generated under the specific operational from the quantitative perspective through the establishment of analytical mathematical models. Finally, the paper evaluates the combat capability satisfaction from the degree of closeness and correlation by means of grey correlation analysis and ideal solution. The effectiveness of the proposed method is verified by an example.
The support capability evaluation of joint logistics center is of great significance for the construction and development of joint logistics center. This paper establishes a support capability evaluation system for a joint logistics support center, and establishes a support capability evaluation model for a joint logistics support center based on analytic hierarchy process and fuzzy comprehensive evaluation method. The established index system is more scientific and reasonable, and can more accurately evaluate the support capacity of the joint logistics support center.
On the basis of building evaluation index system, constructing the evaluation model by using grey theory and network analytic hierarchy process, and evaluating the strategic maneuver capability of light and high powered infantry. The result show that the model can overcome the shortcomings of index non-independence and subjective in AHP and expert scoring method, and the strategy maneuvering ability of light and high maneuverable infantry has been better evaluated. The five key construction sub-capacities identified by sensitivity analysis have obvious practical value
Military strategy game research system is urgently needed in the military preparedness and military development of the new period. In the system, the natural science method characterized by quantitative research and the social science method characterized by qualitative thinking are combined. Scientific theories and methods, such as system scientific, thinking science and operational research, are injected into the discussion process and combined with modern technology support methods such as knowledge base, Hadoop and artificial intelligence. This paper first introduces the game research system and its design ideas, then analyzes its functional requirements, then designs the logical structure and overall architecture of the system, and finally analyzes the key supporting technologies of the system, which is of great significance to the development of the research on military strategy in the information age.
Launch large-calibre suspended depth charges based on electromagnetic emission technology, establish a suspended depth charge model, solve the ballistic equation by the fourth-order Runge-Kutta method to design and obtain its external ballistic characteristics. The maximum range angle and other ballistic parameters were simulated and obtained. The relationship between the muzzle velocity and the range is framed. The influence of the initial velocity error and the wind on the external ballistics is studied. The influence of the relative position of the pressure center on the stability is investigated. The simulation results show the effectiveness of the preliminary design and simulation analysis method of suspended depth charges.
Based on the analysis of the major threat environments of the anti-missile operations in reef area, explored major air threats and anti-missile combat characteristics in reef area, proposed the basic methods and operational use of ground-to-air missile with external early warning support information, established a model for the number of times that ground-to-air missile can fight against a single incoming target under external early warning support, studying the target penetration rate model for ground-to-air missile against multiple incoming targets. Finally, one example analysis is given to verify the effectiveness of external early warning support for improving anti-missile capability of ground-to-air missile.
Multi-base remote detection technology based on the explosion source is an innovative technology aiming at the important demand of underwater combat for long-distance warning, attack and defense. The explosion source produces high-intensity low-frequency acoustic signal, and Drag-line array receive signal high gain and passive. Combining with parameter extraction and processing of submarine echo and direct wave, It can synchronously complete the long-range detection and precision strike of the silent submarine target under conditions guaranteeing surface ship concealment. The problems such as insufficient detection capability and large detection error are solved effectively, meanwhile the simulation examples verify the effectiveness and feasibility of this proposed method.
In order to improve the accuracy of UAV ground target tracking and positioning, the UAV optoelectronic imaging platform was used to lock the target in the center of the field of view. According to the coordinate transformation, the angle of view was converted to the angle in the geographic coordinate system, and the target tracking System equations was established. Unscented Kalman filter was used to solve the non-linear estimation of tracking and positioning. Due to the problems of slow tracking speed and divergence, iterative non-unscrambled Kalman filter was used to determine the iteration condition by maximum likelihood estimation method, which increases the accuracy and time of filtering. Simulation analysis shows that iterative unscented Kalman filter can significantly improve the accuracy of filtering and the speed of filtering, which has certain practical value.
The small carrier fixed wing UAV has the characteristics of small occupancy space and flexible landing. Carrying out the mission equipment with the ship can effectively improve the fleet information acquisition capability and the research on the security analysis method is the prerequisite for the safe and reliable execution of the task. In this paper, the whole process of unmanned aerial vehicle (UAV) execution is analyzed by the method of failure mode and influence analysis and risk evaluation index matrix method. The analysis results show that the small Shipboard Fixed Wing UAV carries out mission risk control. By making security improvement measures, the security of the task can be further reduced. As the security analysis focus is related to the specific task scene, the security analysis method used in this paper can be used as reference forthe relevant technical personnel.
In order to real-time display and replay the battle field situation, a software system which combines real-time display and replay situation is designed and implemented. The system receives datagrams from communication network in real time, extracts track points from datagrams and saves the track points to a B+ tree file as index elements (keys). Then it reads situation data from the B+ tree file, completes situation computation, real-time display or replay. The system is programmed based on MFC framework and multithreading technology, and was tested by long-time running experiment in real data set. The experimental results show the correctness, stability and effectiveness of the system’s design and implementation.
Aimed at the urgent need and the development trend that the core information technology independently controllable for our country and military, facing the typical application scenarios of C4ISR systems, such as command post, weapon platform, hand-held intelligent terminal, and focus on the development demands that localization of operation system, strong compatibility of hardware, flexible deployment of multiple scenarios, this paper proposes a foundation software platform architecture of C4ISR system, which based on domestic operation system. Then, based on the architecture, this paper studies the key issues of platform implementation, such as hardware adaptation and optimization, software runtime library and common software integration, system cross-platform reuse.
Taking a certain type of rocket projectile as the research background, the influence factors of the grain design of the single chamber dual thrust rocket engine are studied by Matlab software from the selection of propellant type, the classification of propellant type and the calculation of the internal ballistics. After repeated calculations, the results of many groups are compared and the geometric parameters of the charge are finally determined. The results show that the calculated curve of the interior ballistics meets the overall requirements and is in good agreement with the test data of the range. The adjustment experience in the design process has a certain reference value for the development of solid rocket motor.
The validation of operational architecture design takes an important role to assure and improve the quality of operational architecture design. A new validation method for operational architecture design based on information process simulation is proposed, with analyzing common methods in the shortage of dynamic validation and demand oriented validation requirements. The transfer processes and activity features are described by information flow. UPDM software and STK tool are used to model and simulate for completeness, consistency and effectiveness verification. It is shown that the method is flexible to dynamic simulation, and can better describe complex information relationship in operational architecture.
In order to solve the problem of personnel quantity demand for POL equipment maintenance agency,this paper sets up POL equipment maintenance cell in its maintenance level around the POL equipment maintenance task,and establishes the queuing model of POL equipment maintenance based on queuing theory.Through the study of POL equipment maintenance queuing model,this paper found a method of POL equipment maintenance personnel requirement analysis to meet the practical application,providing a reference for further scientific construction of POL equipment maintenance force.
