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Rarefied gas effects have to be considered when doing the research and design of hypersonic flight vehicle in near space, in which accurate prediction of flow field and surface properties such as pressure, shear stress and heat flux are needed. Research on the mechanism of hypersonic slip flow must consist...

Virtual laboratory is a practical teaching assisted instruction with high efficiency. This paper analyzes the characteristics, classification of virtual laboratory and the design of virtual instrument. It discusses the construction and system structure of network-based virtual laboratory. This paper...

A nonlinear dynamic model of a spur gear transmission system is developed with consideration of gear mesh stiffness, backlash, internal and external excitation. Lagrange equation is used which is derived for the vibration of the drive system differential equations. Time process diagram, frequency spectrum...

Materials and the related manufacturing industry involve every area of the economy, and the corresponding talent demand ranks in the forefront of all industry professionals. However, the defects of current talent training mode and curriculum system limit the quality of talent training. In this paper,...

In order to solve special shape pipe automatic welding problem,a new decoupling control system has been introduced,which is constructed on PID and RBF neural network.Input data is from non-contact displacement sensor and angle sensor,and output data has been used to control servo motor which always used...

Evaluation of equipment `support distribution `plan in wartime scientifically and accurately is crucial to improve the efficiency of distribution and meet the demand of war timely. In this paper Topsis is adopted to conduct comprehensive evaluation of the equipment support distribution plan at war time....

As the device in general inspection maintenance, can only carry on the system static parameter measurement, and dynamic performance of the system only can be judged by qualitative observation. In this paper, we adopt modular design scheme and the method based on synchronous sampling and real-time data...

The ground fissure is hidden hazards of ground deformation.Survey work to crackisthe basicofcontrol measures. Geological radar detection as an emerging technology has advantages of rapid, continuity and visibility; according to a practical example of the detection mechanism of landslide cracks, summed...

In this paper we analysis aircraft dynamic characteristic on relaxed static stabillity control from the concept of active control technology point of view, and calculate the dynamic characteristic of longitudinal. Through calculation, further reseaerch on the influencing of relaxed static stability on...

Based on the analysis of problems encountered by PulsON@ 410 RCM modules when used in substation accurate locating, such as automatic discovery of beacons, a self-organizing protocol is put forward to support the creation, maintenance of beacons network. Also solutions from different aspects are presented...

This paper illustrates the main features and structure of the armored vehicle engineering simulator (AVES). Considering high cost and long cycle development problem of the traditional armored vehicle design, the AVES has been developed for purposes to test rationality of design, to investigate different...

Key problems in view of the urgent long-endurance uav, the research of the application of bionics to no one wing design. With the wings of a certain unmanned aerial vehicle as the research object, is good at gliding gull for bionic prototype. Design imitation airfoil seagull flat wings and wing tip winglet...

Charging, discharge, maintenance and energy management technology for electric vehicle power battery is relatively backward, An advanced and reasonable method is presented for battery state of charge( SOC ), used simple rough set attribute ,simplified battery charging related parameters, the simplified...

With the development of information technology, textile machinery manufacturing enterprises (TMME) are facing the new situation of “Two Integration”, in order to better responding to market customer demand (CD), the order prediction is becoming more and more important. The background of product model...

Several different Li+-imprinted gels were prepared by different precursors. And the gels were characterized by textual properties and point of zero charges (PZCs). The adsorption of Li+ from their aqueous solutions by the gels was investigated. The surface areas of the gels were found to range from 60...

The placement of the wireless sensor networks in the wild or the unpopulated area makes it difficult for energy supplement, and vulnerable to damage, so it is of great importance to improve the overall network energy efficiency and prolong the maximum life cycle. In consideration of the energy consumption...

Logistic distribution is one the most important parts in logistic industry, its core is to get the shortest transportation route of car. This paper makes mathematical modeling on distribution route of logistic car, constructs target function and constraint condition. It makes analysis on realization...

This paper presents an integrated passive sensor tag for intelligent concrete temperature control. The sensor tag is based on EPC Generation-2 UHF communication protocol and operates in passive node. Except the antenna and matching network, the other blocks including RF/analog frontend, digital baseband,...

QKD (quantum key distribution) is core of quantum communication, it is not only the most extensive range of applications, and can also be served as a basis for other branches. In this paper, the theoretical basis and the basic idea of quantum key distribution has been described. Focus on several quantum...

Today’s Internet remains its original design that dates back more than three decades. In spite of tremendous heterogeneous networks and large scale of mobility devices, it still provides a single, basic, unreliable service offering. While this legacy architecture seemed so hard to support the requirements...

In view of the shortcomings of the test data generation algorithm including particle swarm optimization algorithm and ant colony algorithm, a new algorithm is proposed, which is based on the combination of particle swarm algorithm and parameter adjustment. This algorithm can dynamically adjust its search...

The services carried by the Internet have undergone tremendous change over the past decades, along with the emergence of multimedia services and cloud computing, etc. However, there is little change in the framework of network designed primarily for reliable end-to-end communication, which is not suitable...

Mobility pattern of users is decided by people themselves. However, in the daily life, mobile users often repeat regular routes in certain periods. To effectively mine the mobile rules of users and allocate the resource among mobile telecommunication operators and Internet Service Providers (ISP), grasping...

With the advent of the smart clothing, wireless body area network(WBAN) has became particularly important as the information perception stage of smart clothing. Firstly, we introduced the conception of the smart clothing and the wireless body area network briefly. And then we analyzed many traits about...

In this article, a new method is proposed for the parallel of digital image processing algorithms. The method will transplant parallel the image matching algorithm based on cross correlation to the digital image processing platform.

To transmit data reliably and effectively in deep space network, a protocol called NCSTP was proposed, introducing network coding mechanism into space communication. However, the NCSTP cannot make an effective response to the burst packet loss characteristic in InterPlaNetary (IPN) network. Therefore,...

Aiming at exploration and development capacity, it is usually hard to achieve effective utilization and balance by using just one algorithm, which will influence the solving accuracy and efficiency of the algorithm accordingly. This thesis applies particle swarm optimization (PSO) to discrete multi-objective...

This paper researches the integrated optimization of flexible job shop scheduling problem (FJSP) and equipment maintenance plan. The object of the integrated optimization model is to pursue the minimum of makespan. The paper proposed a two-stage algorithm based on the genetic algorithm to solve the problem....

We investigated the effect of lactoalbumin on the processing properties of vulcanized rubber by adding lactoalbumin protein. We found that G’ and G’’ of vulcanized rubber were increased and tan was decreased by adding lactoalbumin. The addition of lactoalbumin can improve the processing properties of...

Ammonia and HTT were compounded and tested as a novel preservative system for concentrated natural rubber latex (CNRL) to replace traditional preservatives. The preservation effects and the viscosity of prevulcanized CNRL were measured. After preservation treatment, the drying characteristics, the mechanical...

On the basis of cadre management business requirements analysis in colleges and universities, this paper designed and developed one colleges and universities cadres management system with a set of user management, cadres management, cadres ability evaluation and system management based on J2EE platform...

In the process of surface reconstruction, the least squares fitting surface often produces singular matrix and it will cause a failure surface fitting. In this paper, we propose a new surface reconstruction method based on hierarchical surface. We first construct a low-order surface to interpolate data...

Radio frequency identification technology has characteristics of non-contact, flexible radiation direction, efficient speaking, reading and writing data, large information storage capacity, which has attracted many researchers to introduce library information management technology into the library in...

Pocket closet is mobile application software developed based on Objective - C language, which can help users manage a wardrobe. When users don't know how to match clothes, the software recommends collocation through user testing results; Users don't have to dig out tie-in dress, but through the software...

Enterprise network virus protection system directly affects the interests of the enterprise. A large number of external and internal network security problem data show that enterprises improve the requirements of network security in order to protect network resources of the enterprises. This article...

The emergence of the Internet led to a period, also brought a lot of convenience to people's life, and the wave of Internet online shopping has gradually become another mainstream network service. School students now do not have a very good handling for second-hand resources, which not only wastes the...

In this paper, a software interruption-based method is proposed so as to improve ECC processor’s capability against DPA attack. Firstly, we analyze the principium of DPA-resilient time-randomizing. Secondly, combined with operational characteristics of ECC processor, a time-randomizing circuit is put...

In order to meet the requirement of agility in Command and Control system, a concept model and a development pattern of agile C2 system are proposed. The core characters of agile C2 system are operations mission driven and the cooperative structure adjusting of the system resources. A building method...

Since cloud computing could be understood only by specialists, it is necessary to write a clear but not complex description regarding knowledge to promote common people understanding this technology. This paper refined three essential characteristics of cloud computing, analyzed both software and hardware,...

Since the successes of the Artificial Intelligence might increasingly impact on multiple subjects in new millennium, it is necessary to write a summary of the recent development of this technology. This paper refined four essential and important aspects of the Artificial Intelligence, summarized both...

Synthetic aperture radar is a vital tool for imaging and remote sensing regardless of the villainous weather. Polarimetric synthetic aperture radar obtains the polarization characteristic of targets through polarized wave. This paper presents a novel technique, the combination of digital beamforming...

Intelligent mobile platform is as a mobile wheeled robot driven platform, which has important research significance for the research of mobile robot. In the paper, STC89C52 microcontroller is adopted as the main controller, and an intelligent mobile vehicle is designed combined with the photoelectric...

With regard to the existing test case priority algorithm rarely focusing on the static covering condition of test case and other design information, as well as the testing person need to online collect relevant information about each statement in the procedure, and a higher dependence on code information,...

Affected by the global climate change, storms, droughts and other extreme weather occur frequently in recent years. This extreme climate affects the Yangtze River a lot, leading to extreme water levels of Yangtze River occurrence frequently. Changes in extreme water level of the Yangtze River have a...

In an indoor environment, such outdoor positioning technology as GPS may have the phenomena of weak signal strength and poor availability due to construction blocking. As a result, the application of Zigbee wireless sensor network becomes a hotspot of the indoor position research at present. Specifically,...

The campus information portal based on Liferay is the entry point of the entire digital campus. It integrates the functions of the identity authentication and the user interface. The system can be integrated in the campus, so that users can easily publish and share information. Provides the service with...

Along with the increasingly mature computer technology, various computer systems with complex structures and strong functions have been widely applied to such key safety fields as aerospace, communication & transportation, medical treatment & public health and nuclear power energy. In case of system...

An excellent Android application shall not only have perfect function, but also have good user experience. Actually, performance is an important factor influencing user experience. Memory leakage is a common performance problem in Android development, and DDMS with a good memory monitoring tool Heap...

Quality of software requirement is an important factor to safety of aviation equipment software. With the increase of software complexity, Artificial software requirement analysis is difficult to find requirement defect caused by multi state combination, multi fault concurrent, multi condition conflict...

By the way of build a new model to intuitively response the temperature changes in the refining furnace, using the results of the temperature changes to control the output of the current, and achieve the purpose of accurate control and not waste resources. Combining temperature prediction with this model,...