With the development of maritime networks, data vessel users is growing exponentially, and more resource intensive tasks, such as multimedia applications, high-definition video playback games, appear in daily demands. These changes have greatly increased energy consumption bandwidth requirements terminals networks. In order to meet high low delay for high-speed mobile network, reduce network load, concept edge computing (MEC) proposed has been widely supported by academia industry. It...

Identifying protein complexes from protein-protein interaction networks (PPINs) is important to understand the science of cellular organization and function.However, PPINs produced by high-throughput studies have high false discovery rate only represent snapshot information.Reconstructing higher quality essential for complex identification. Here we present a Multi-Level reconstruction (MLPR) method detection. From existing PPINs, generated full combinations every two proteins. These pairs...

Prediction of pathogenic genes is crucial for disease prevention, diagnosis, and treatment. But traditional genetic localization methods are often technique-difficulty time-consuming. With the development computer science, computational biology has gradually become one main finding candidate genes.We propose a prediction method based on network embedding which called Multipath2vec. Firstly, we construct an heterogeneous GP-network. It constructed three kinds relationships between phenotypes,...

Freshness of products and timeliness delivery are two critical factors which have impact on customer satisfaction in terminal perishable products. This paper investigates how to make a cost‐saving vehicle scheduling for by maximizing satisfaction. Customer is defined from the aspects freshness time window. Then we develop priority function based use hierarchical clustering method identify service priority. Based priority, multiobjective optimization model formulated maximize minimize total...

Maritime intelligent transportation system provides intelligent, safe and efficient maritime transport services, which greatly facilitates the applications related to monitoring, safety, infotainment cargo online management. The Internet of Things (IoT) is especially suitable for networked communication environment at sea, drives development on trend. However, existing data processing forwarding methods pose great challenges Intelligent Transportation Systems (ITS). In particular, realtime...

With the deepening of modern military reforms, information has become key to winning warfare. The use unmanned aerial vehicle (UAV) capture image an important means reconnaissance in warfare and plays irreplaceable role. usually uses a wireless transmission system, since is intercepted or stolen easily during transmission, encrypting common method for ensuring security. However, traditional encryption algorithms have some deficiencies terms efficiency In order overcome these shortcomings,...

Novel path loss and delay spread models with antenna height dependency under indoor stair environment are proposed. According to the persons' posture location of mobile device, is categorized as three levels: low, medium high. The modeled by using minimum mean square error (MMSE) method; meanwhile, both excess RMS maximum likelihood estimation (MLE). proposed reveal that higher corresponds smaller spread. accuracy commonality these guaranteed intensive experimental data stairs similar structure.

Strain-controlled continuous fatigue and creep–fatigue tests were carried out at 700 °C 800 on Inconel 625 alloy. The effects of strain rate tensile-hold time cyclic stress response life investigated. Then, the microstructural analysis fractographic fatigue-fractured specimens performed by scanning electron microscopy transmission microscopy. responses during high-temperature creep–fatigue–oxidation damage mechanism discussed. results showed that had little effect °C, but there was a...

Aiming at the problem of short life cycle and uneven energy consumption low power adaptive clustering hierarchical protocol (LEACH), an improved LEACH algorithm is proposed. In selection cluster head nodes, optimal proportion calculated by considering residual current position, SEP used to calculate different election probability for advanced nodes ordinary so that distribution heads more uniform. At same time, in data transmission phase, communication performed using a hybrid routing...

Oxygen volume is the most important control in BOF (Basic Furnace) steelmaking production and accuracy affects quality of liquid steel directly. In this study, a CBR (Case-based Reasoning) method adopted to calculate oxygen blowing second period production. When retrieve similar cases from case base, similarity reward punish strategy introduced make retrieved more effective. Similarity based on fuzzy membership enhance relatively successful cases. The ultimate goal introducing useful improve...

Depending on the actual demand of maritime security, this paper analyzes specific requirements video encryption algorithm for monitoring system. Based technology Internet things, intelligent system unmanned surface vessels (USV) is designed and realized, security network things are adopted. The USV utilized to monitor collect information sea, which critical security. Once data were captured by pirates criminals during transmission, sea will be affected awfully. shortcomings traditional...

The rapid development of the land-based edge computing architecture has pushed horizon a new processing mode, which transfers big data from cloud to side. In contex mobile computing, combined with idea collaborative cooperation, we put forward maritime communication model. A novelty model is addition level as small-type center between and sides. For sake high efficiency in task scheduling part, adopt an improved Cooperative Co-evolution Algorithm overcome constraints marine environment...

With the increasing number of maritime trade activities, carrying out rapid and effective search rescue operation has become an urgent need for research in order to ensure safety navigation at sea. Now, we mainly rely on artificial decision making, distribution area, driving ship complete operation. The distribution, synergy, parallelism, robustness intelligence unmanned boat UAV provide a new idea development work marine system under situation can be regarded as hierarchical control network...

Intertransaction frequent itemsets break the barriers of transactions, and extend traditional single-dimensional intratransaction association rules to multidimensional intertransaction rules. However amount becomes very large with increase sliding window. Frequent closed can uniquely determine set all their exact frequency while they are far smaller than itemsets. In this paper, we introduce notion itemset, analyze its properties, develop an efficient algorithm, IFCIA (intertransaction...

In view of the communication loss caused by heavy rain and other major natural disasters in Henan Province, when emergency vehicles could not enter scene, order to quickly restore communication, method unmanned aerial vehicle(UAV) flying over affected area set up a temporary base station is studied. The UAV needs avoid obstacles, so path planning based on combination modified ant colony algorithm DUBINS curves proposed. By this algorithm, global shorter, smooth kinematics constraint...

The foundation of robot autonomous movement is to quickly grasp the position and surroundings robot, which SLAM technology provides important support for. Due complex dynamic environments, single-sensor methods often have problem degeneracy. In this paper, a multi-sensor fusion method based on LVI-SAM framework was proposed. First all, state-of-the-art feature detection algorithm SuperPoint used extract points from visual-inertial system, enhancing ability in scenarios. addition, improve...

Spectrum sensing is one of the core techniques in cognitive radio network. In this paper, cyclostationary feature detection for OFDM signals and MAC-layer sensing-period adaptation algorithm are presented. Exact analytical expressions spectral correlation function (SCF) derived applying cyclostationarity fundamentals, simulation results demonstrate that presence cyclic prefix enhances inherent features yielding a good performance. The proposed to maximize chance discovering opportunities....

Path planning problem is a popular issues in urban transportation system. Road impedance one of the key factors route planning. According to road length and speed, level, traffic lamp intersection waiting time that affect drive efficiency. A new weighted model proposed. To get weights each factor planning, which influence efficiency are tested with different combination. In end, applied real world network topology. The simulation results show validity accuracy model.