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Research on Vulnerability Detection for Software Based on Taint Analysis

Beihai Liang, Binbin Qu, Sheng Jiang, Chutian Ye
At present, Cross Site Scripting (XSS) vulnerability exists in most web sites. The main reason is the lack of effective validation and filtering mechanisms for user input data from web request. This paper explores vulnerability detection method which based on taint dependence analysis and implements...

A New Multivariate-based Ring Signature Scheme

Lingling Wang
Most of the existing ring signature schemes are based on traditional cryptography, such as RSA and discrete logarithm. Unfortunately these schemes would be broken if quantum computers emerge. The MQ-problem based Public-Key Cryptosystem (MPKC) is an important alternative to traditional PKCs for its potential...

A Double Semantic Network for Intelligent Search

Guogang Li, Tao Feng, Guoqiang Li, Hua Wang
The traditional semantic network retrieval has the following two urgent problems to be solved . The first problem is that the two concepts on the surface look very relevant, but vocabulary used to describe the two concepts has no contact, and in fact ,the two concepts are very poorly correlated. The...

The Complex Blind Deflation Algorithm Based Particle Swarm Optimization with Survival of the Fittest Mechanism

Wei Zhao, Chunpeng Dong
For multi-constraint nonlinear optimization, this paper puts forward a complex blind deflation algorithm based particle swarm optimization with survival of the fittest mechanism(CBD-PSOSFM) which has faster convergence speed, and then gives a quantificational formula of the improved convergence speed,...

A New Derivation of TGR with Naked Antenna in Lossy Medium

Xinbo Qu, Bihua Zhou, Zheng Wan, Wei Shi, Xiaogang Xie
A new derivation of Transient Grounding Resistance(TGR) has been proposed in this paper. Take grounding system as naked antenna in lossy medium, and then get the input resistance of naked antenna in a given frequency based on Helen current integral equations. With inverse Fourier transform, the resistance...

Design of Unsymmetrical Doherty Power Amplifier for 460MHz LTE-Advanced Applications

Chuanhui Ma, Wensheng Pan, Youxi Tang, Chaojin Qing
An unsymmetrical Doherty power amplifier (DPA) at 460MHz is presented in this paper. The carrier and peaking amplifier of the DPA, which base on two equal-sized devices, are matched with different networks to mitigate the performance degradation caused by the limited load modulation. Measured with continuous...

A Novel Frequency Locked Loop Based on Stochastic Resonance

Weitong Zhang, Zhiqiang Li, Wenming Zhu
Frequency locked loop (FLL) plays an important role in carrier synchronization because of its excellent dynamic performance. However, it performs inadequately in low signal-to-noise ratio (SNR). In this paper, the principle of stochastic resonance (SR) is briefly introduced and a SR processor is proposed....

Analysis of Microstrip Circuit by Using Finite Difference Time Domain (FDTD) Method

Lei Zhang, Tong-bin Yu, De-xin Qu, Xiao-gang XIE
The microstrip circuit is mostly analyzed in transform domain, because its equivalent circuit equation is often nonlinear differential equation, which is easily analyzed in transform domain relatively, but hardly did in time domain, so the analysis of microstrip circuit is a hard work in time domain....

A Reliable Cooperative Spectrum Sensing Strategy for Cognitive Radios

Shoutao Lv, Zeyang Dai, Jian Liu
In cognitive radio networks (CRNs) , the secondary users (SUs) need to continuously detect whether the primary users (PUs) occupy the spectrum. In order to improve the spectrum sensing accuracy, a novel reliable cooperative spectrum sensing strategy based on the detection results relayed twice from the...

Volume Rendering Method for Spatial Seismic Data Based on GPU

Zhongxiang Duan, Guohe Li
Volume rendering is one of the focuses in the research and application of computing visualization. On basis of the spatial data volume formally defined principles and methods are introduced on the division of volume data, computation of resampling and composition of image in the ray casting algorithm....

A user-friendly building energy consumption program

Yilong Jia, Jianxiang Jin, Xuanhao Zhou
Building energy simulation program plays an important role in reducing energy consumption for heating in North China. For the past 60 years, a wide range of building energy simulation programs have been developed. However, in China, building energy simulation programs are not popularized smoothly because...

A Fast Algorithm for Monostatic RCS based on LU Decomposition

Xiaogang Xie, Tongbin Yu, Zuping Qian, Lei Zhang, Ying Liu
Compared with bistatic RCS, the monostatic RCS calculation is more difficult for the needs of surface current on scatterer induced by the incident wave of every single angle, so the calculation burthen is very large. Based on the character of “impedance matrix of MOM is invariable whether the angle of...

Timing Acquisition with Cooperation of Two Distributed Receive Antennas over Flat-Fading Channels

Chaojin Qing, Jincheng Wei, Ling Xia, Ying Liu, Chuanhui Ma, Youxi Tang
In the flat Rayleigh channels of linear cell, two distributed receive antennas are employed to receive the signal transmitted from the mobile station (MS) with a single antenna. We exploit the false alarm probability at the central processor to guarantee that the false alarm probability at each distributed...

The Design and Implemention of Subjective Questions Automatic Scoring Algorithm in Intelligent Turtoring System

Yaowen Xia, Zhiping Li, Saidong Lv, Guohua Tang
Automatic subjective question of marking is a key technology in the network test system. In order to solve this problem, this paper analyzes the grading teachers thinking reviewers subjective questions. Then introduce the concept of a one-way approach degree based on the nearness theory of fuzzy mathematics....

The Research and Design of Intelligent tutoring System in Intelligent Turtoring System based on Campus Grid

Yaowen Xia, Jili Xie, Saidong Lv, Guohua Tang
Grid technology has become the computer and network technology’s research hotspot and frontier, Grid technology development and the consummation will promote the development of educational information. The intelligent has shortcoming which are resource isolated, update difficulty etc, Based on the grid...

Study on the Intelligent Recognition Method for the Maturity Grade of Fresh Corn Ear based on Computer Vision

Huihui Wang, Yonghai Sun, Yan Lv, Xueheng Tao, Xuejun Wang, Jixin Yang
In order to realize the intelligent recognition for the maturity grade of fresh corn ear, intelligent inspection system was studied based on computer vision, which could automatically complete the collection and handling of ear graphic and the recognition of maturity of the corn ear. Based on the study,...

The analysis of marine magnetic field detection influenced by the platform migration

Dan Wang, Cheng Chi
Marine magnetic field detection is influenced by the environment of marine and the platform,The influence of the platform is mainly caused by platform migration.The variation of the geomagnetic field caused by different directions of the platform migration are compared by using the World Magnetic Model...

An Effective Image Matching Algorithm Based on Rotation Independence

Xianying Huang, Weiwei Chen
Traditional image matching algorithms has poor accuracy in image comparing, such as histogram intersection method. A new image matching algorithm based on the similarity comparison of irregular shape is presented in this paper, which divides the image into a number of irregular regions according to different...

SEA Based Multi-dimensional Space Description Model of Equipment Support Capability

Si Li, Shao-chuang Ma, Ping Gu, Wang-hu Sun
Aiming at the traditional methods of research equipment support capability to the lack of scientific quantitative description of the overall support capability, It builds the multi-dimensional space description Model of equipment support capability based on SEA Initially, introduces the basic idea of...

Improvement on LEACH Protocol of Wireless Sensor Network

Xiaowen Ma, Xiang Yu
Wireless sensor networks comprise of minor battery driven devices with restricted energy resources.Once installed,the minor sensor nodes are usually unapproachable to the operator, and thus auxiliary of the energy source is not practicable.Hence,energy proficiency is a vital design issue that needs to...

An Improved Feature Selection Algorithm Based on Parzen Window and Conditional Mutual Information

Deng-chao He, Wen-ning Hao, Gang Chen, Da-wei Jin
In this paper, an improved feature selection algorithm by conditional mutual information with Parzen window was proposed, which adopted conditional mutual information as an evaluation criterion of feature selection in order to overcome the deficiency of feature redundant and used Parzen window to estimate...

The Target Vehicle Movement State Estimation Method with Radar Based on Kalman Filtering Algorithm

Xin Jia, Zuolong Wu, Hsin Guan
In this paper, based on Kalman filtering algorithm, a method of target vehicle motion state radar estimation with radar(or lidar) is presented. The state equations is established based on rigid plane dynamics theory, and then with a Kalman filter to do radar data processing, the position, velocity and...

Electrical Parameter Detecting System of Jordan Refinner Based on Virtual Instrumentation

Shifeng Yang, Peng FU, Ye Yang
There are some disadvantages like that single-function and lower extent of automation in the electrical parameter detecting system of Jordan refiner, so it’s hard to adapt the system to the demand of the large-scale automatic detecting industry. Depending on the jordan refiner used in paper making, basing...

Research on Command&Control Simulation System Architecture

Jie Liu, Haitao Sun, Xuemin Zhang, Tao Ge
The Key Problem of Command&Control Simulation is to solve how to communicate between Command&Control information and operation models of simulation system. Aiming at such problem, the BML and BOM technical are used together. Meanwhile, both models are presented in XML. Thus the Command&Control Simulation...

Noether theorem of a kind of singular integral equation with Hilbert kernel on closed contours

Li-xia Cao
We considered a kind of singular integral equation with Hilbert kernel on closed contours. By using the method of complex functions, we obtain the extended Plemelj Formula with Hilbert kernel, and based on this, we obtained the related conditions of solvability and the general solution for the characteristic...

Comparative Analysis of Mobile Ad Hoc Network Routing Protocols Simulation

Xiaoyan Wei
A Mobile Ad Hoc Network(MANET) is a popular research topic. In this paper, we first describe characteristics of MANET, proactive and reactive routing protocols. Then AODV and DSDV, which are widely investigated in Ad Hoc network are introduced. We use simulation tool NS-2 to design three experiments...

Design of Deformation Monitoring Terminal System Based on STM32

Kaihua Xu, Di Zhang, Yuhua Liu, Ke Xu, Yuanhao Xi
One monitoring Terminal system based on STM32 is introduced in this paper. The system used STM32 as core controller, GPIO and USART as control and communication channel. GPS, GPRS, wired transmission and power section together makes up the system motherboard. The design has been tested and been applied...

Data Fusion and Bayes Estimation Algorithm Research

Yulian Gai, Yaping Wang
This paper starts from the prospective of data processing and use of information, analysis the meaning and realistic background of processing integrated data by using Data Fusion technology. On the basis of a clear basic idea and principle theory of Data Fusion, studies and discusses its hierarchical...

A Topic Study of Microblog Based on Specific Events

Zhenyu Zhou, Fang Li
This paper describes the study of topics on microblog based on specific events. First, we use a famous topic model – LDA to extract topics from microblog about events. Then, we propose three indexes: Attention Factor(AF), Evolution Factor(EF) to see the performance of microblog topics and Diversity Factor(DF)...

Design of Mini Multi-Process Micro-Kernel Embedded OS on ARM

Bo Qu, Zhaozhi Wu
This paper describes the design and implementation of a mini multi-process micro-kernel embedded Unix-like operating system on ARM platform in technical details, including MMU and memory space mapping, init process, inter-process communication, process management, TTY and tiny shell, multi-level priority-queue...

Model Parameters Estimation for Image Motion Compensation

Xunyu Zhong, Xiaoshan Li, Yonggang Zhao
Fast and optimal motion estimation method is proposed for electronic image stabilization. First, an approach for macro-block judgment is presented. Before motion vectors calculation, gradient information is analyzed, only useful reference blocks that are indispensable for accurate motion estimation are...

Stacked Tri-Band Circularly Polarized Microstrip Patch Antenna for CNSS Applications

Kang Ding, Tong-bin YU, Dong-fang GUAN, Cheng Peng
This paper proposes a novel stacked tri-band circularly polarized antenna which has three independent ports. To obtain tri-band operation, a stacked three layers of microstrip antenna working at different frequency is presented. Each of them is fed by dual feed probes. The simulated results show that...

Bayesian Networks Application in Multi-State System Reliability Analysis

Sheng Zhai, Shuzhong Lin
Aiming at the limitations of traditional reliability analysis theory in multi-state system, a method for reliability modeling and assessment of a multi-state system based on Bayesian Network (BN) is proposed with the advantages of uncertain reasoning and describing multi-state of event. Through the case...

A Relation Oriented System Analysis Method

Xuemin Zhang, Yanqi Bai, Jie Liu, Zhongpeng Liu
System analysis is a main part of military system simulation. Six-element analysis method is integrated the advantage of system analysis method for function and system analysis method for entity. This method analyses the system through its connotation, category, structure, function, state and operation....

Adaptive semi-fragile watermarking based on complete quantization and image contents

Guo Wu, Dawei Wei, Guangming Tang, Jinfeng Yang
Complete quantization principle is proposed in this paper, based on which, an adaptive semi-fragile watermarking algorithm based on image contents is proposed. The algorithm uses the low frequency sub-band to construct watermarking related to the content of image, and then uses just noticeable difference...

OFDM parameter design of a digital broadcasting system in FM band

Jilong Li, Yanbin Yin
A thorough OFDM parameter design method of a digital broadcasting system in FM band is presented in this paper. Key OFDM parameters are analyzed from their constraints. Cyclic prefix should satisfy the requirement of channel delay and formation of SFN. Design of system bandwidth should consider coherent...

A Wavelet Neural Network Forecasting Model Based On ARIMA

Bin Wang, Wen-ning Hao, Gang Chen, Deng-chao He, Bo Feng
Stock index series is Non-stationary, Nonlinear and factors with impact on stock index fluctuation are complex, a time series forecasting model combined ARIMA model and wavelet neural network is presented. The combined model uses BP neural network as the main framework, uses wavelet basis function instead...

Research on Modeling and Simulation of Expert_PID Controlled Servo System Based on MATLAB/S-function

Fei Kang, YanBing Liang
The paper elaborates Expert_PID controller applied in servo system. Illustrates an S-function construction method on complex control law. Designs an Expert_PID controller based on MATLAB/S-function and writes partial core code of Expert_PID controller. Establishes the simulink model of servo system based...

3D visualized technique for coalbed methane integrated surface and underground drainage

Xinfeng Du
According to the different features of 3D elements in the coalbed methane (CBM) surface and underground drainage system in the coal mining area, and adopting the 3DMAX static modeling of the drainage equipment and the dynamic modeling of the geological body based on the borehole data, the 3D model of...

Hydraulic system modeling and motion control of demotion robot’s working equipment

Yu-wan Cen, Ya-fen Jiang, Han-dong Zhang
Based on the electro-hydraulic proportional system of a demolition robot working device, a simplified mathematical model was established by analyzing dynamic characteristics of the electro-hydraulic proportional valve, flow equation, the continuity equation and force equilibrium equations, and the fuzzy...

SIFT Feature Extraction Algorithm for Image in DCT Domain

Zhen Wu, Zhe Xu, Rui-nian Zhang, Shao-Mei Li
Image feature extraction is an important technology in image matching and retrieval. For the problem of high computational complexity of spatial domain image feature extraction using the SIFT algorithm, and by studying the relationship between DCT coefficient matrix and image, the paper designed the...

Video Copy Detection Based on Fusion of Spatio-temporal Features

Wei Bao, Lixin Ji, Shilin Gao, Xing LI, Lixiong Liu
A video copy detection method based on fusion of spatio-temporal features is proposed in this paper. Firstly, trajectories are built and lens boundaries are detected by SURF features analyzing, then normalized histogram is used to describe spatio-temporal behavior of trajectories, the bag of visual words...

CDMA VPDN-based Wireless Data Communication System for Mobile Pipeline Patrol

Fei Sun, Jun-yuan Song, Jun-xia Xu
Communication is the basic method to guarantee oil transportation command and scheduling of mobile long-distance pipeline and is the nervous system of the mobile pipeline. Based on the characteristics such as varied topography of the region it extends, long distance between stations, large volume of...

Wavelet Linear Estimation for Different Distributed Random Variables

Jinru Wang, Meng Wang
In this paper, we construct a wavelet linear estimator for the component of a finite mixture under independent identically distributed biased observations. We evaluate its performance by determining an upper bound of L risk of B(A,L) function classes.

Challenges On Coordination For Cyber-Physical Systems

Meng Sun
Cyber-physical systems integrate computing and communication with monitoring and control of physical entities. The complex interaction with the physical world makes coordination models and languages very important for the analysis, design and development of cyber-physical systems. This paper discusses...

Impact Analysis of Communication Network Reliability Based on Node Failure

Fei Zhao, Ning Huang, Jiaxi Chen
Node failure is an important factor causing network faults. Through research on node failures, mastering the effect laws of failure is a reasonable and effective method to improve network reliability. This paper summarized and classified the node failure modes of communication network. Meanwhile, combined...

Design of Web Based Secure Embedded System in C

Bo Qu, Zhongxue Yang
This paper describes the design and implementation of Web based secure embedded system, including tiny secure Web server, embedded system-based CGI library, and utilities for security, such as CAPTCHA program and mail sending program. The entire system is designed in C by the author of this paper on...

Development and Implementation of WEB-based Online Hotel Reservation System

Ping Hu, Dongxiao Gu
The Internet accelerates the communication and understandings between people, which make information unprecedented important. Furthermore, it changes the way that people book rooms, which makes rooms-booking diversified, convenient, and individualized. Out of the demand of modern hotels and based on...

An Improved Channel Estimation Method in OFDM System

Shunxian Li
In this paper, we will focus on channel estimation (CE) in orthogonal frequency-division multiplexing (OFDM) systems. The time-varying (TV) channels are modeled by a basis expansion model (BEM). Due to the time-variation, the channel matrix in the frequency domain is no longer diagonal, but approximately...

A Novel Method for Data Calibration in Wireless Sensor Networks

Weimin Qi, Jie Xiao
In order to provide efficient and suitable services for users in a ubiquitous computing environment, many kinds of context information technologies have been researched. Wireless sensor networks are among the most popular technologies providing such information. Therefore, it is very important to guarantee...