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2001 Vol. 27, No. 4

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A Fast Motion Estimation Algorithm Using Adaptive Search Technique
LI Bo, TU Ya-ming
2001, 27(4): 373-376.
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In the motion estimation of MPEG and H.263,full-search algorithm doeswell in matching accuracy, but involves in a very high computational complexity. Some fast search algorithms such as three-step search still need to be improved in both computational complexity and matching accuracy. The proposed n...
Virtual Assembly Model with Mixed Control of Position/Force
WU Wei, SUI Ai-na
2001, 27(4): 377-380.
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Abstract:
At present, the study in the field of virtual environment application focuses mainly on the reality of optical, and during the interaction the force is very important. Therefore, the paper adopts the method of mixed control of position/force in the assembly. Then the effect of touch can be acquired ...
Application of Distributed Object Technology in Management System of Telecommunications Networks
LANG Xin-pei
2001, 27(4): 381-385.
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Abstract:
With the quick growth of the telecommunication networks, the demands of the management system of telecommunication networks have focused on several points such as open quality, efficiency and extensibility of software system. The distributed management becomes one of the feasible ways to solve the p...
Design and Implementation of IP Security
XU Jin, MA Dian-fu, HUAI Jin-peng, LI Wei
2001, 27(4): 386-390.
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Abstract:
IPSec is a suits of protocol that can seamless bring security into IP and it's the only one Security Protocol for all Internet traffic. Besides IPv4, the IPSec can be also used in the next generation IP——the IPv6. We analyzed the architecture of IPSec, designed an IPSec implementation in Windows NT/...
C++ Program Static Analyzer Based on Element Relation Model
WANG Hao, JIN Mao-zhong, CHEN Qi, GAO Zhong-yi
2001, 27(4): 391-395.
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Abstract:
On the need of the Object-Oriented (OO) testing and measurement, and even OO program compiler construction, to analyze the elements in OO programs becomes an important task. The ERM (Element Relation Model) is presented here, on which a static analyzer was constructed for better OO testing and measu...
Design of Distributed Fault-Tolerant System for UMS
SHANG Li-hong, RUAN Jun-bo, ZHANG Rui, JIN Hui-hua
2001, 27(4): 396-399.
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It is a trend that the aircraft onboard machine-electronic equipment is controlled and managed integrated. Based on distributed fault tolerant technique, high reliable bus technique of avionics and application technique of embedded real-time operation system, a design and an implementation of a dist...
Automatic Moving Object Detection and Indexing of Surveillance System
HAN Jun, XIONG Zhang, GONG Sheng-rong, SUN Wen-yan
2001, 27(4): 400-403.
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Aiming at the shortcoming of existing video surveillance system, an intelligent surveillance system which can accomplish automatic detection and classification of moving objects by making use of the computer system is presented. Moving object is detected by means of a higher-order statistics perform...
Technique of Predicting Potential Reusability of Class Component
LI Hu, NI Hui, CHENG Du-ping, GAO Zhong-yi
2001, 27(4): 404-408.
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Based on analyzing the shortages of the Judith Barnard model which can predict the reusability of class components, provides several optimizing solutions and extends the concept of "Class Component" to the concept of "Reusable Class Group". Besides, gives the algorithm to pick up the "Reusable Class...
Adaptive Voiced/Unvoiced Segmentation for Mandarin Syllable
WANG Yu-fang, YIN Bao-lin
2001, 27(4): 409-412.
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Discrete Wavelet Transformation(DWT) is used to realize voiced/unvoiced segmentation for Mandarin syllable.The algorithm is speaker-independent and robust for different sample rate and background noise, which defines the proper scale of DWT adaptively. Several experiments in different conditions,suc...
2D Object Recognition Based on Geometry Invariant and BP Network
WANG Qiang, HU Wei-ping, HU Jian-ping, QIN Shao-hua
2001, 27(4): 413-416.
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Abstract:
A 2D object recognition algorithm based on geometry invariant and BP Network. is proposed. It can be applied to object recognition under rotation scaling translation (RST) and projection transform. By normalizing the number of pixel in the edge of image of the object to be recognized and computing t...
Aircraft Lifecycle Process Modeling Technology and its Supporting System
ZHANG Li, ZHOU Bo-shen, CUI De-gang, LIU Meng-zhao
2001, 27(4): 417-420.
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Abstract:
For meeting the requirement of the modeling and analyzing of an aircraft lifecycle process, the method to modeling a huge complex process is presented and the visual process modeling language is extended. Based on this language and the methodology for modeling a large complex process, the process mo...
Turing Equivalence of Fuzzy Max-Min Operator Neural Networks
LIANG Jiu-zhen, HE Xin-gui
2001, 27(4): 421-424.
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Abstract:
The definition region of Zadeh fuzzy operator is extended and the max-min operator is redefined such that it satisfies the exchange law, the combination law and the 0-element law. On the above basis, a max-min operator neural network is proposed according with the general definition of fuzzy operato...
Study on Real-Time Software Developing Method of Multiprocessor System with OOPN Model
REN Ai-hua, JIN Mao-zhong
2001, 27(4): 425-428.
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Abstract:
The time relativity and interactive property with the environment of a real-time system make the real-time software development very difficult. If in the case of multiprocessor environments the development work will be more difficult. In order to simplify the concurrent programming in the multiproce...
Locating in Mobile IP of Mobile Hosts
KAN Zhi-gang, HU Jian-ping, MA Jian
2001, 27(4): 429-432.
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Abstract:
Internetworking protocols such as IP currently do not allow "mobile hosts" to interoperate easily or conveniently with other hosts on the network. The Mobile IP Working Group of the Internet Engineering Task Force (IETF) has been working over the past few years to develop standard protocols to suppo...
Automated Test Case Generation Based on UML Activity Diagram Model
ZHANG Mei, LIU Chao, SUN Chang-ai
2001, 27(4): 433-437.
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Abstract:
In order to design and generate test cases of workflows, test outline model is defined. The three-tier process to transform an activity diagram into its test outline model and then into its test case model,as well as the test coverage criteria, is introduced, including a set of basic rules, by which...
Memory Simulation in CPU Simulator MCS
LI Feng, WANG Lei, LIU You-cheng, ZHOU Bo-sheng
2001, 27(4): 438-442.
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Abstract:
Simulator is a powerful tool for hardware design evaluation, system software development, and computer architecture study. Memory simulation is an important part of a system level simulator, it will affect the whole performance. By introducing MCS——a CPU simulator based on VLIW architecture, the aut...
Integrated Environment for Dynamic Optimizing Enterprise Process
TAN Wen-an, ZHOU Bo-sheng, ZHANG Li, ZHOU Jian-guo
2001, 27(4): 443-447.
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Abstract:
Enterprise process optimization methods are introduced, and integrated environment for dynamic optimizing enterprise process (IEDOEP) has been developed by integrating process defining tool (PDT), process simulating tool (PST), and process optimizing tool (POT) with decision supporting system (DSS)....
3 Dimension Visualization for Geology-Constructed-Model
ZHU Da-pei, NIU Wen-jie, YANG Qin, XIONG Zhang, CHEN Qi-ming
2001, 27(4): 448-451.
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Abstract:
Three dimension visualization of geology constructed model is used to display the exploration data in graphics methods directly, which is an important means to learn the geo body structure better, and provides useful proof for oil simulation. Based on the triangulation and interpolation algorithm, t...
Research of ObjectWeb Technology
LANG Bo, LI Wei-qin
2001, 27(4): 452-455.
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Abstract:
With the development and popularization of Internet, there are many kinds of resource appear. But the Web at present has many restrictions and can not support the sharing of resources on Internet more widely and more deeply. The ObjectWeb is such a technology that can improve this situation, and it ...
A Web-Based Workflow System Design and Implementation
ZHAO Hai, MA Dian-fu, HUAI Jin-peng, LI Wei, ZHANG Han-li
2001, 27(4): 456-460.
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The combination of workflow technologies and software application systems is one of the research directions in computer application area. On the basis of researches of workflow technology, a Web-based Workflow System (WebWFS), which is based on script interpreter and is independent of application da...
Control Techniques Based on Metric Analysis During Software Testing Process
QIAN Hong-bing, LIU Chao, YAN Hai-hua, HE Zhi-tao
2001, 27(4): 461-464.
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The paper starts by describing the basic testing process of software system and the documents, role and activities associated with the testing process. It then focuses on discussing various techniques used to monitor, control and manage the whole testing process according to the data collected from ...
Logical Network Based Customer Service Management
HUANG Dong-quan, XU Zhen-ya, LI Wei-qin, XIA Chun-he
2001, 27(4): 465-468.
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Abstract:
The concepts and functionalities of customer service management have been analysed. A novel hierarchical representation method of abstract network, logical network, is provided. The structure, attributes and computation of logical network as well as a CSM management model have been studied. An imple...
Design and Implementation of SSL Based Secure Transmission System
YANG Ya, LI Wei
2001, 27(4): 469-473.
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SSL protocol is a de facto standard to protect data transferred securely on the Internet. According to the SSL protocol, we design and implement a SSL based secure transmission system. It includes two parts: Client Secure Proxy(CSP) and Server Secure Gateway(SSG) through which a secure tunnel can be...
Process Management for Software Quality Assurance Based on Document Status
YAN Hai-hua, HU Jia, ZHANG Li-feng, HE Fei
2001, 27(4): 474-477.
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Software document are found in entire software life cycle, are important parts of software product. Due to their effect on software quality, after investigating process of software document, a concept of document status was proposed first, then based on document status, document role, document actio...
Implementation of Management Network for Telecommunication Cable Switching Box, MNTCSB
WANG Hua-ning, HUANG Li-jun
2001, 27(4): 478-481.
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Abstract:
Using advanced technologies of computer networks and communications, MNTCSB implements automatic management of telecommunication cable switching box. The components of the system are presented, as well as communication methods, addressing and resolution, key algorithms, and implementation of some ma...
Design and Implementation of a Web Reporting Tool
TANG Min, XU Wei, LI Zhao-yuan
2001, 27(4): 482-485.
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Abstract:
The Web-based Reporting is becoming the mainstream of reporting application in enterprise information systems. At present most of the reporting tools are limited within two-tier client/server applications, and do not support the Intranet/Internet reporting development, and also they are difficult to...
Network QoS Model Supporting CIPOA
XIA Chun-he, ZHANG Guang-ming, LI Yun-chun
2001, 27(4): 486-489.
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With the recent explosive growth of the Internet, the QoS (Quality of Service) in the data transmission plays an important role in the real-time and multimedia applications. And it is one of the crucial features of ATM (Asynchronous Transfer Mode) networks to provide different QoS to different user-...
Forecasting Display Technique of Distributed Virtual Human
WU Wei, WANG Yan, SUI Ai-na
2001, 27(4): 490-494.
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The simulation of human in the distributed virtual environment is different from the simulation of vehicle. Due to the human's many joints, to implement the real-time performance of the interaction between the virtual human and the environment, the quantity of information broadcasted in the network ...

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