Based on a new buffer layer, the characteristics of multiple proton implantations field stop IGBT ( MPI-FS-IGBT) were simulated and analyzed Different from the conventional field stop IGBT (FS-IGBT) which has an abrupt thin buffer layer and grade-doping field stop IGBT(GFS-IGBT) whose buffer layer was...

The key research of this paper is the algorithm that using pyramids to divide the arbitrary polyhedron. The core idea of this algorithm is as follows. Store the vertices of the outer boundary surfaces of the polyhedron anticlockwise, and store the vertices of the inner boundary surfaces clockwise. When...

Considering the high speed space targets, the real time processing is required with only a few snapshots. Meanwhile, the algorithm based on state space method performs well in the parameter estimation. In this work, we present a novel Direction of Arrival (DOA) estimation based on state space balance...

In recent years, Unmanned Aerial Vehicle(UAV) is widely used for power lines patrol. While it's more efficient than manually patrolling, the UAV may easily collide with power lines. So measures must be taken to detect the distance between UAV and power lines. This paper presents a real time power line...

The application of the Internet of Things, cloud computing, big data, mobile Internet and other modern information technologies in the transformation and upgrading of the whole industrial chain of agriculture is of great significance to accelerate the development of agricultural information and modernization....

An enterprise may benefit from software business outsourcing depending on the suitability of the outsourcing service provider. This research addresses the assessment of the contracting capability of software outsourcing vendors and proposes a decision-making model based on Interval Evidential Reasoning...

Supply Chain Partnership means a strategic relationship which is reached a long-term cooperation agreement between upstream and downstream entities in the same supply chain. Establishing a good supply chain partnership help to reduce the cost, shorten the reaction time and create the new market value...

Nowadays, the biggest problem that has influenced the using effect of wireless networks is that the transmission signals are easy to be affected by the external factors as well as the hardware equipments which are easy to be damaged, which lead to the phenomena like bad performance of transmission signals,...

The limitation of mobile environment and equipment, brings the new challenges for pervasive computing. This paper analyzes the problems existing in the traditional middleware technology in pervasive computing, puts forward the necessity of adaptive mechanisms in middleware implementation. Through the...

Demand response in power demand side management plays an important role. In this paper, we achieve the user electrical equipment monitoring through selecting of appropriate scale of residential customers, according to different power consumption behavior pattern, through the deployment of interactive...

The mathematical variable speed feeding model of the cutter is established in this paper, the curve of the cutter's feeding speed with the diameter of the log changed is deduced and a new-style hydraulic log-core veneer lathe control system is designed by the model. C8051F020 type single-chip becomes...

Low-temperature sintering of Pb0.995Cd0.005(Zr0.965Ti0.035)O3 ceramics was investigated using CuO as a sintering aid. Effect of CuO addition on the sinter ability, microstructure, and electric properties of PZT ceramics were systematically studied. The addition of CuO significantly promoted the densification...

In China, countless docking problem always exists in the agricultural production and marketing process. It often leads to blind planting and unsalable depreciated phenomena. Although the e-commerce is a good idea of exchanging supply and demand information and reducing the circulation cost, it faces...

Blue fluorescent material combined with red uorescent dye doped into tris-(8-hydroxyquinoline) aluminum (Alq) in multilayer organic light-emitting diodes(OLEDs) were investigated. Basis device architecture is indium tin oxide (ITO)/ N,N -bis-(1-naphthyl)-N,N -diphenyl-1,1 -biph-enyl-4,4 -diamine(NPB...

For reducing the injuries of pedestrians when the collision accidents between pedestrian and vehicle occur, the design of car front structure has been proposed based on pedestrian protection, the design scheme includes a mechanical cushion structure of car bumper and a mechanical bounce device of hood...

The ideal design of the bumper should take full advantage of the bumper plastic deformation to absorb most crash energy in automobile collisions. In the paper, the bumpers with different inner structure (circular cross section form and honeycomb cross section), different materials (Al alloy, structural...

Mobile Communication Technology is one of the most important professional courses of communication engineering specialty. Traditional teaching patterns from ordinary universities are not suitable for application-oriented universities. To improve the teaching quality of this course, unsuitable points...

Based on factor analysis, this paper study on the current product competitive factors in agricultural B2C platform. By analyzing the data that is the sales of commodities, price, number of popular, shop credit rating, and evaluation of commodity, and explore the factors of commodity competitiveness,...

In recent years, a new technology, container, has been developed rapidly. More and more services are deployed on a container. In order to ensure the high performance and high availability of these services, a system which can provide the technology of high availability is essential. Container, as we...

To mitigate growing cyber threats, this paper builds on previous researches on proactive defense and Software Defined Network to propose a SDN-enabled IP address hopping method design, including the basic model, detailed hopping process, key generation and SDN controller.

Inspired by the characteristics of sparse representation, we consider to recognize three military targets. To overcome the target-aspect sensitivity in radar high resolution range profile (HRRP), an improved dictionary learning algorithm, called auto-optimized fast K-SVD (AOF-KSVD), is proposed in this...

For plate mill, data communication between Process Control System (PCS) and other system are built with different communication methods. The communication between PCS and Basic Automation system (BAS) is based on the industry Ethernet. Every 200ms, BAS sends actual data to PCS, and PCS sends setup data...

For the purpose of mill Process Control System (PCS) debugging and optimizing, a new simulation method is used. The actual information of rolling process is gathered and sent to the PCS cyclically. This information is saved by PCS. During simulation process, the actual information is read and playback....

One of the keys to precise position of using double difference carrier phase measure is to resolve integer ambiguity. Least-square ambiguity decorrelation adjustment(LAMBDA) is relatively fast and precise in integer ambiguity resolution of double difference carrier phase measurement. The LAMBDA consist...

With the increase of LNG power ship, the facility and equipment of LNG fuel filling for LNG power ship have become an important problem. LNG filling vessel is a good development direction of LNG filling technology because of its advantages of self navigation ability, safety and reliability, flexible...

Music feature extraction is widely used in music recommendation system. The recommended music is somewhat similar in the form of melody. This phenomenon exhibits a repeating pattern that between the music set and the recommended one, which reveals that the similar music has the characteristics of fractal...

Exception Handling in Java and other languages make it possible to raise exception and attaching exception handlers to particular blocks of code. In most research, more people focus on testing of exception handling of programs, Alexandre L. Martins [1] force the execution of exceptional path to improve...

Multicore system is processors and the high speed network adapter is very common in cloud computing. So it becomes more and more important to make full use of recourses such as CPU, memory and I/O devices. However, traditional system architecture just consider about CPU and memory, cannot meet the need...

For problems in the process of building central air conditioning system to participate in demand response, including non-uniform communication protocol, non-uniform information model and lack of demand response strategy, we put forward the thinking and concrete scheme of research and development of the...

A pneumatic driven microfluidic chip system adopting a stepper motor is presented in this paper which changing the valve opening with a stepper motor and controlling the pressure of the gas cavity. The simulation model was built by using Simulink nonlinear module after expounding the structure and working...

With the datacenter becomes increasingly large in size, the energy consumption in datacenter grows rapidly. Energy saving in datacenter becomes a big theme. In multicore environment, virtualization provides an effective way to address this problem. Virtual machines (VMs) with their own tasks are run...

The fetal heart rate (FHR) is a significant indicator of whether the fetus in the mother's womb is healthy. Ultrasonic Doppler detection is extensively used in the detection of FHR due to its high sensitivity, good directivity, and non-invasiveness. However, analog multiplier demodulation is usually...

Considering bending stiffness,an finite element model is proposed to overhead transmission based on Euler beam.In this model,the displacement of the unit beam is represented by assumed mode method,and derived the mass matrix and stiffness matrixof unit beam by using assumed mode method,secondly,deduced...

As the characteristics of mountain scenic spot possess complicated topography, great elevation differences, high water diversion costs, limited reservoir storage capacity, uneven distribution of rainfall, coupled with hysteresis nature of the manual diversion, scarcity of water resources has become a...

Along with economic development, the number of vehicles in China grows rapidly. Vehicle emission has become a major source of pollution in urban settings. Based on data on the number of vehicles from 2004 to 2014 in Changzhou, the ARIMA model is built to predict the number of vehicles from 2015 to 2020....

A coordinated power system stabiliser (PSS) design for wind turbine equipped with doubly-fed induction generator (DFIG) is presented in this paper. It is shown that the proposed control scheme enables the optimal performance for both the wind turbine structural loads damping and the power system damping....

The radio wave propagation model in granary can provide technical support for the design and application of wireless grain situation monitoring and foreign-body detection in granary. The propagation of radio waves in granary with wheat is studied in this paper. Firstly, transmitting and receiving antennas...

With the tide of Internet plus and Industry 4.0, cloud computing technology has got rapid development and extensive application while the issues of security in cloud computing platform has attracted more attentions. Initially, this paper analyzes the necessity of a comprehensive and scientific security...

Energy consumption is critical to wireless sensor networks (WSNs), and cluster based protocols are energy efficient. Cluster heads (CHs) selection and clustering affect the network lifetime greatly. To prolong the network lifetime, a load balancing unequal clustering approach (LBUC) is proposed. LBUC...

In order to solve the user rating data about data sparseness and traditional similarity calculation method because of its disadvantages of strict match object attributes, the paper combined with the project classification and cloud computing platform is put forward an improved collaborative filtering...

Bulk strategic materials have important significance to the national economy and national defense. China as a major importer of bulk strategic materials, the accuracy of trade transfer is particularly important. This paper analyzes metering technology development status of bulk strategic materials, including...

Based on PWM(pulse-width-modulation) hydraulic position control of high-speed on/off valve ,in order to conquer uncertain parameter to disturb control system . Design a method of single variable H∞ controller in this article .By simulation and analyzing ,the H∞ controller was proved to be an effective...

Sparse coding has been successfully applied to many numerical object detection and classification problems in recent years. However, sparse coding has rather slow convergence rates on some optimization problems. In this article, an online framework for fast and classification of different vehicles logo...

The simulation and hardware realization of ground clutter in airborne radar are discussed in this paper. We use the statistical approach to model the clutter and utilize ZMNL method to achieve the simulation of coherent Weibull distribution sequences. This paper presents an efficient method of ground...

Based on interpreting Numerical Weather Prediction (NWP) products, using inverse distance weighting (IDW) method, the detailed human comfort degree forecast system is developed. The preliminary application shows better result.

In order to dynamically obtain the ecological loading status in the valley unit, based on the spatial-temporal database and valley ecological carrying capacity model, the information system for evaluation of valley ecological carrying capacity was developed with GIS, Oracle and C#. The software and hardware,...

Rapid development of mobile Internet induces the surge in demand of enterprise mobile application. In order to satisfy management requirements in such environment, a growing number of enterprises implement mobile ERP strategy. However, the access of mobile Internet and the extension of enterprise information...

Modern logistics is a huge and complex system and the flow of information is large. We must deal with the huge amounts of data accurately in time, and data mining technology is appropriate to solve it. We improved the typical association rule-Apriori algorithm which is often used in data mining technology...

This study focus on the effects of motions of vessel wall on the color flow mapping (CFM) images and whether the CFM images can truthfully reflect the behaviors of the vessel wall and blood flow. By coupling numerical Runge-Kutta and ultrasound simulation method, a model is proposed to generate CFM images,...

Understanding hemodynamic response function (HRF) is a key issue for exploring the underlying dynamics of nervous system activation. In this study, epilepsy discharges were adopted as markers of short stimuli, and then EEG-fMRI method was used to investigate HRF in absence epilepsy. Five patients with...

With the advent of big-data age, it is essential to organize, analyze, retrieve and protect the useful data or sensitive information in a fast and efficient way for customers from different industries and fields. Least squares support vector machine (LS-SVM) has an outstanding advantage of lower computational...

A comprehensive human auditory neural pathway spiking (HANPS) model from cochlea to inferior colliculus is proposed in this paper. It consists of medial superior olive (MSO) pathway for interaural time difference processing, lateral superior olive (LSO) pathway for interaural level difference processing,...

Interferogram filtering is one of the most important and widely studied problems in InSAS image processing. Traditional approaches, such as median filter, mean filter and Gaussian filter, can remove noise, but they also smooth the edges. This paper proposed a new interferogram filtering algorithm via...

With the continuous development of science and technology, information technology is facing the development of various fields. As the main carrier of the social and economic 1P technology and culture information, Library management provides the development space for computer technology and network technology....

In recent years, with the in-depth study of the Experimental Economics, an increasing number of game researches need to be done through the computer for online interactive and completing a series of operations such as data record, calculation and feedback. But a lot of experimental researches only under...

The simple linear iterative clustering (SLIC) method is a popular recently proposed superpixel algorithm for its simpleness and good performance for optical images. However, it may provide poor superpixels for polarimetric synthetic aperture radar (PolSAR) images because of the inherent speckle noise....