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Distributed Rateless Codes Based on Random Matrices

Yilong Xiao, Haibo Jiang
When multiple source node nodes need to transmit their data packets through a single relay to a common destination, distributed rateless codes can be employed. In this paper, a new kind of completely random rateless codes and its distributed encoding process is proposed based on random matrices theory....

Numerical Simulation Study of the Influence of Ceiling Materials to Roof Radiation Heat Exchange

Songtao Hu, Feng Qi, Teng Xie, Xinxin Wang, Gang Wang
This article focuses on the study of the influence of ceiling materials to roof radiation heat exchange by CFD numerical simulation, which provides a theoretical basis for the choice of ceiling materials from the perspective of thermal properties.

An improved method for AMR-WB speech codec

Chunling Zhang, Shenghui Zhao, Hongyuan Xiao, Jing Wang, Jingming Kuang
an improved method is proposed to skip the look-ahead period in this paper. The improved method uses the autocorrelation algorithm to calculate the Linear Prediction (LP) coefficients and then the LP coefficients are employed to extrapolate new samples for replacing the look-ahead samples. To evaluate...

A Middleware-Based Network Architecture for the Web of Things

Jing Sha, Yang Ji
Web of Things has been proposed to facilitate the integration and composition of everyday device like sensors and actuators with existing standards and blueprints. However, the existing researches do not address all the problems such as integrating legacy devices with constrained capabilities, managing...

Self-Adapting Acquisition of Sensor Data in Mobile Environment

Chao Wang, Chunhong Zhang, Yang Ji
A mobile application meets the highly real-time requirement for data in sensor networks. However mobile applications have to handle many difficulties that do not exist in non-mobile environment. For example, the wireless network provided for mobile is slow, expensive and bandwidth-limited. So mobile...

An Evacuation Decision Making Model for Firefighters in Ad Hoc Robot Network

Demin Li, Jian Zou, Kaikai Yue, Hongyun Guan, Jiacun Wang
Evacuation for a firefighter in complex fire scene is challenge problem. In this paper, we discuss a firefighter’s evacuation decision making model in ad hoc robot network on fire scene. Due to the dynamics on fire scene, we know that the sensed information in ad hoc robot network is also dynamically...

Application of Two Unknown Quantities and Three Points Interpolation in the Atmospheric Transmittance of Infrared Radiation

Honghui Sun, Min Li, Jianshe Song
The atmospheric transmittance of infrared radiation is the important parameter on the studies of infrared radiation, the Computation of atmospheric transmittance is professional and complicated and it is inconvenient for the application of engineering and technology. In order to gained the atmospheric...

A Distribution Communication Network Scheme Involving DERs in Power Grid

Nanhua Yu, Xiaoping Zhang, Xinyu Wang, Runze Wu, Wenxia Liu
DER access to the distribution network will change the characteristics of power flow, the network short-circuit current levels and introduce a large number of harmonic interference in the traditional distribution network, which requires effective communication scheme as a monitor. In this paper, we analyze...

Optimizing the Conditions for Polysaccharides Ultrasonic-assisted Extraction in Mycelium of Paecilomyces tenuipes Pt196 Using Statistical Approach

Linna Du, Wenting Bu, Wenlin Pan, Chen Shao, Jiahui Lu
[Purpose] In order to enhance the extraction rate of polysaccharides, a series of statistical approach was used to optimize the ultrasonic-assisted extraction conditions from the mycelium of Paecilomyces tenuipes Pt196. [Method] The optimization of conditions was carried out in two stages. Firstly, the...

An Interval Type-2 Fuzzy Cellular Automaton Model for Traffic Flow

Jie Dong, Xiaomei Zhang
On the basis of Nagel-Schreckenberg model, this paper presents a modified fuzzy cellular automaton model for one-lane highway traffic. An interval type-2 fuzzy logic system is designed to evaluate the randomization parameter of a vehicle based on the spatial headway and speed difference. Some basic qualitative...

An Efficient Difference Algorithm for Black-Scholes Equation with Payment of Dividend

Lifei Wu, Xiaozhong Yang
Black-Scholes equation is the basic equation of option pricing in financial mathematics, it is important to study its numerical solution in financial market. This paper constructs a new kind of high order accuracy numerical algorithm (Three-layer difference scheme) for Black-Scholes equation with payment...

Design and Implementation of a Context-Aware Based Classroom Inquiring System

Feng Liu, Zhou Xu, Chuanchao Zhang, Haijun Lu, Xiaoxia Li
Nowadays, smart phones and tablets have been getting more and more popular. Many applications in various mobile platforms can provide location based service to users but seldom take personalized information into consideration which is usually important for some kinds of applications. In order to solve...

WoT based Context-Aware Middleware Design for Integrating Real-World Object to SNS

Hailei Lu, Yang Ji, Chunhong Zhang, Cheng Cheng
In order to build a more user-friendly, intelligent IoT where interactions between Human-to-Human, Object-to-Object, and Human-to-Object coexists, real-world objects are assigned a social network identity on current SNS. Under this scenario, the contexts of the real-world objects become more complicated...

Object-Oriented Programming Hardware/Software Supports and Comparison

Junyi Li, Yuhua Zhang, Zhenkun Li, Anthony S. Fong
Object-oriented programming has advantages of reusability, more extensibility, and easier maintainability. While it needs hardware/software environment to support the OO behaviors. In the paper, three OO supporting mechanisms are discussed, the advantages and disadvantages are compared.

Imbalanced Data Detection Kernel Method in Closed Systems

Youli Lu, Jun Luo
Under the study of Kernel Methods, this paper put forward two improved algorithm which called R-SVM & I-SVDD in order to cope with the imbalanced data sets in closed systems. R-SVM used K-means algorithm clustering space samples while I-SVDD improved the performance of original SVDD by imbalanced sample...

A method for Chinese Noun Phrase Recognition Base on Word Co-occurrence Directed Graph

Xinglin Liu
This paper proposes a recognition method for Chinese Noun Phrase based on word co-occurrence directed graph. An input document is firstly scanned in which noun word string is retrieved. Atomic word table and word co-occurrence directed graph is then generated according to the word strings. A search is...

Gabor-LBP Features and Combined Classifiers for Music Genre Classification

Haiqian Wu, Ming Zhang
In this paper, we propose the combination of two visual features with the Gabor filters and LBP for music genre classification. In addition, we use combined classifiers training and testing data to reach a final decision. The experiment shows that we not only reduce the amount of time extracting features,...

Improved Additive Operator Splitting Algorithms for Basket Option Pricing Model

Xiaozhong Yang, Gaoxin Zhou
In order to solve Black-Scholes equation of basket option pricing model by numerical method. This paper used Additive Operator Splitting (AOS) algorithm to split the multi-dimensional Black-Scholes equation into equivalent one-dimensional equation set, and constructed 'Explicit-Implicit' and 'Implicit-Explicit'...

A New Parallel Difference Numerical Method for the Payment of Dividend Black-Scholes Equation

Xiaozhong Yang, Fan Zhang
A new alternating segment explicit-implicit and alternating segment implicit-explicit methods for solving the payment of dividend Black-Scholes equation are presented. These new methods have several advantages such as: good parallelism, unconditional stability, convergence and better accuracy. Numerical...

Research and Application of Rule Engine in Scheduled Outage Management

Bo Wu, Zhimin Guo
With the rapid development of economy, the requirement for electricity supply is growing dramatically, and the consumers are claiming for higher power supply quality with less outage. Scheduled outage makes a major part of power outage, and it is mainly caused by power grid construction and power equipment...

An Architecture for Unstructured Data Management

Yaohu Lin, Xuelian Lin
As the information age is coming, there is a vast amount of information available in the Internet. Most of data on Web are unstructured. But the significant data should be organized and stored in a suitable way for future purposes. One of the unsolved problems is the management of unstructured data....

A Weight-based Road Impedance Function Model

Jie Dong, Guojie Shen
Path planning problem is a popular issues in urban transportation system. Road impedance is one of the key factors in route planning. According to road length and speed, road level, traffic lamp and intersection waiting time that affect drive efficiency. A new weighted road impedance model is proposed....

An Android Terminal in TelosB Wireless Sensor Networks

Siquan Hu, Xiaoli Zhang, Hui Yao, Chundong She
In the deployment of a wireless sensor network, a portable device can be used on protocol analysis or in-situ network diagnose, which is more convenient than the traditional gateway solution. In this paper, based on the Android devolvement board and TelosB mote, the Android terminal was built to collect...

Building the Platform of Teacher Professional Development for Teachers in Vocational College to Convert Tacit Knowledge

Caixia Wang
Due to the particularity of vocational education, vocational colleges teacher had a lot of tacit knowledge in skill, which was very difficult to be coded, summed and expressed. The platform was built to promote the conversion of tacit knowledge and improve teacher professional development by some tools...

Analysis of the Multi-channel MAC Protocols in Wireless Networks

Chunguang Shi, Haitao Zhao, Yi Tang, Yunfeng Zhou
This paper discusses the problems that may be encountered in a multi-channel MAC protocol design. Furthermore, the normalization network throughput of multi-channel MAC is analyzed based on a Markov chain model. The simulation shows that compared to single channel 802.11, multi-channel MAC can improve...

A new hybrid GRASP with the pilot method for the delay-constrained multicast routing problem

Ying Xu, Xiongfei Zheng, Renfa Li
Multicast routing problem is a well know optimization problem for transmitting real-time multimedia applications in telecommunication networks. As the underpinning mathematical model, the constrained minimum Steiner tree problem in graphs is a well-known NP-complete problem. In this paper we investigate...

An Air Quality Predictive Model of Licang of Qingdao City Based on BP Neural Network

Ruobo Xin, Zhifang Jiang, Ning Li, Lujian Hou
In order to obtain high precision results of urban air quality forecast, we propose a short-term predictive model of air quality in this paper, which is on the basis of the ambient air quality monitoring data and relevant meteorological data of a monitoring site in Licang district of Qingdao city in...

The Strong Convergence of a New Iterative Algorithm for Asymptotically Nonexpansive Mappings

Yuanheng Wang, Weiwei Sun
In a real Banach space E with a uniformly differentiable norm, we prove that a new iterative sequence converges strongly to a fixed point of an asymptotically nonexpansive mapping. The results in this paper improve and extend some recent results of other authors.

Modelling and analysis of river networks based on complex networks theory

Xuewen Wu, Ling Li, Yonggang Qu
River systems are open and self-organizing complex systems. Complex networks theory can well combine rivers' macro properties with their microscopic properties. This paper builds a river network model based on complex networks theory and describes its characteristics. After the analysis of the model...

Research of Electric Power Steering System Assistance Characteristic Based on The Identification of The Road

Qiang Li, Changgao Xia
Study of traditional assist characteristic cure does not take into account the difference of steering resistance torque caused by different road adhesion coefficient. Vehicle dynamics analysis model is established based on ADAMS/CAR. Simulation of steering wheel torque is realized under different road...

Algebraic Techniques in Linear Cryptanalysis

Hongru Wei, Yafei Zheng
Linear cryptanalysis is a statistical analysis method. Linear cryptanalysis constructs probabilistic patterns first and then distinguishes the cipher from a random permutation using lots of plaintext-ciphertext pairs. Linear cryptanalysis has a big data complexity. Algebraic attack attempts to exploit...

The Development and Application of Virtual System of Physiological Function Experiments Based on Networks

Deli Wang, Haifeng Tang, Xiaodong Ren, Kun Fu, Qingfan Meng
[Purpose]To inspire students’ interest in learning, cultivate their spirit of innovation, and comprehensively improve the level of experimental lesson, the virtual system of physiological function experiments based on networks was developed, applied. [Methods] With establishment of the data management...

Calculation on Energy Saving Potential of a New Dry-type Air-conditioning System

Xiaowei Hu, Yufeng Zhang, Lili Wei, Xinhui Wu
Temperature and humidity independent control can be made by a new dry-type air-conditioning system, the combination of silica gel rotor and heat pump. Heat pump cycle can simultaneously cool the process air and heat the regeneration air, so it can cancel each other out in the cold and heat energy consumption...

Code-switching Speech Detection Method by Combination of Language and Acoustic Information

Hongji Zhang
In this paper, we propose a new speech detection method to English-Mandarin code-switching speech. Unlike previous methods, in this method we first train a support vector machine (SVM) model based on feature parameters and Gaussian Mixture Model (GMM) , then integrate the language identification (LID)...

Impact of Automation to Maritime Technology

Song Ding, Duanfeng Han, Boshi Zhang
Due to incredibly advancing technology and reduced manning levels in the maritime industry there is now a cultural shift in the maritime industry toward increased levels of automation in tasks, particularly with regard to navigation systems. But there are two sides to the automation advances. Increasing...

An Evaluation Method of Combat Service Operation Performance for Surface-to-Air Missile Based on FNN

Gang Li, Dapeng Li, Yanyan Zhou, Linwei Xu, Jifeng He
Firstly, the implication and purpose of the Combat Service Performance Evaluation for Air Defense Missile was elaborated in this paper. Then the Fuzzy Neural Network (FNN) Evaluating Method was put forward to apply to the combat service performance evaluation. Secondly, an evaluation index system was...

Support Vector Clustering for Outlier Detection

Hai-Lei Wang, Wen-Bo Li, Bing-Yu Sun
In this paper a novel Support vector clustering(SVC) method for outlier detection is proposed. Outlier detection algorithms have application in several tasks such as data mining, data preprocessing, data filter-cleaner, time series analysis and so on. Traditionally outlier detection methods are mostly...

Distributed Computing Design Methods for Multicore Application Programming

Qian Yu, Tong Li, ZhongWen Xie, Na Zhao, Ying Lin
In order to solve the serial execution caused by multithreaded concurrent access to shared data and realize the dynamic load balance of tasks on shared memory symmetric multi-processor (multi-core) computing platform, new design methods are presented. By presenting multicore distributed locks, multicore...

Mechanism for Security Enhancement in Mobile Application Installation

Peng Zhang, Hanlin Sun, Zheng Yan
Mobile operating systems (e.g., iOS, Android, Windows Mobile, etc) are becoming powerful platforms on which various applications can be installed and run. Each mobile OS offers application store (e.g., Apple App Store, Android Play, etc) for developers to easily publish applications and earn profits....

Analysis of virtual storage technology and its application in the library

Dongxin Lu, Yixi Niu, Linqi Zou
With the rapid development of computer technology, storage systems become more and more important, the virtual storage technology can simplify storage system and more and more attention. This article briefly describes the concept of virtual storage technology, focusing on the classification of the virtual...

Formalization of Emotions with Intensity

Rui Qiao, Heng He
Logical formalization of emotions moves forward and develops more widely accepted and clearly defined emotion models. However, there is little quantitative analysis of emotions based on modal logic. We put forward a logic LEI to represent quantitative belief, preference and disgust. Then, event-based...

The Algebraic Semantics of EPDL at Activity Level and Verification

Jinzhuo Liu, Lixia Wang, Tong Li, Qian Yu, Na Zhao
In recent years, algebraic semantics and its verification are increasingly important in software engineering. In this paper, firstly, the algebraic semantics of software evolution process description language (AS-EPDL) at activity level is explored. The algebraic semantics of activity level in EPDL provide...

Mix-subdivision Dynamic Terrain Visualization Algorithm

Xiaohui Zhao, Baodi Xie, Depeng Wan, Qingyun Wang
Dynamic Terrain is becoming more and more important in ground-based simulation systems. In military simulation systems, craters and ruts can improve the reality. In this paper, a dynamic terrain visualization method based on quadtree and multi-resolution voxel is presented in order to realize the real-time...

A Novel Simplified Limit-1 Polling Communication System

Jin Lu, Hongwei Ding, Yifan Zhao, Min He
proposed a Limit-1 polling system model with simplified service process (SL-1), which was analyzed by the theory of imbedded Markov chain and the method of multidimensional probability generating function. The related characteristic of system was obtained based on the analysis of polling mechanism. The...

Complete Coverage Path Planning and Obstacle Avoidance Strategy of the Robot

JunHui Wu, TongDi Qin, Jie Chen, HuiPing Si, KaiYan Lin
In order to solve the problems of complete coverage path and obstacle avoidance with the mobile robot, the complete coverage planning was described first, and then the algorithm of the complete coverage path planning was analyzed. The complete traversal algorithm and the obstacle avoidance strategy of...

Algebraic Semantics-based Verification for EPDL at Task Level

Jinzhuo Liu, Lixia Wang, Wei Wang, Xuan Zhang, Ye Qian
The algebraic semantics has been applied to describe and verify semantics for a long period of time. In this paper, the algebraic semantics of EPDL of task level is studied. The paper is divided into two parts. In the first part, the initial algebraic semantics of EPDL (AS-EPDL) of task level is given....

Bargaining in a Push Supply Chain System under Partial Cross Ownership

Jiguang Chen, Qiying Hu
Supply chain under partial cross ownership (PCO) refers to the dyad in which each one holds part of its partner’s shares. In a two-echelon push supply chain under the partial cross ownership, when the operational decisions are bargained, the supply chain is coordinated, and the allocation of the chain...

Harmony Search Algorithm Based on Cloud Theory

Lifu Wang, Zhi Kong, Xingang Wang
The parameter bw is a distance bandwidth between 0 and 1 in harmony search algorithm, which helps the algorithm in finding globally and locally improved solution. In this paper, a new harmony search algorithm is proposed in order to improve the convergence speed and the global search algorithm of the...

Control Algorithm Optimization of Electric Air Conditioning Based on ADVISOR

Jinrui Nan, Zhichao Zhou
In order to develop more energy-saving control algorithm, an electric vehicle air conditioning system model is established. Electric air conditioning system compressor model, compartment thermal load model, heat transfer model, controller model and temperature calculation model are built based on certain...

Predicting Protein Subcellular Localization Using the Algorithm of Diversity Finite Coefficient Combined with Artificial Neural Network

Zeyue Wu, Yuehui Chen
Protein subcellular localization is an important research field of bioinformatics. The subcellular localization of proteins classification problem is transformed into several two classification problems with error-correcting output codes. In this paper, we use the algorithm of the increment of diversity...