Abstract:A dynamic detection method of computer virus is introduced in this paper. Basing on integrated eigen structure which combines the construction, function and characteristic codes of computer viruses, the dynamic computer detection algorithm can effectively

Abstract:Some new properties of Message-Driven Bean and its runtime mechanism are introduced. Its application in asynchronous message transfer is illustrated through an instance.The advantages and disadvantages of Message -Driven Bean and its compare with Session

Abstract:Decentralized stabilization problem of fuzzy large-scale systems with time-delay in interconnections is considered in this paper. Based on Lyapunov stability theory and decentralized control theory of large-scale system, LMI-based sufficient conditions fo

Abstract:In the programming of telemetry software, a data filter is necessary to deal with lots of test data. In this paper, a kind of algorithm about rapid-deleting TLists sequential nodes in batches is introduced. It is implemented by the means of multi-sorts an

Abstract:A new method for 3D object reconstruction is proposed using theories and techniques of geometric projection,computer graphics and virtual reality. Firstly, 2D images are generated using raster projection. Then, the relations between the 2D images and the

Abstract:The theory of wavelet transform on image processing is introduced and the block coding algorithm is also discussed. Taking account of the optical character of eyes and the relativity of the sub-block, fractal coding is applied to compress image effectivel

Abstract:In order to avoid the truncated boundary and then the absorbing boundary condition in solving electromagnetic field problems on unbounded regions, a partition technique based on finite elements associated with some infinite large elements is presented. Th

Abstract:In some autotracking antenna systems of the mobile satellite communication earth stations, the laser gyroscope is used for tracking, which proves to have some disadvantages. A new method, gadient algorithm, is put forward to replace the laser gyroscope fo

Abstract:The locating technology based on arrival time differences of reentry low altitude target is discussed.Its basic principle is introduced firstly,and then the error sources in the existing telemetry system and corresponding precision are discussed.Some meth

Abstract:In order to accelerate the motion estimation of the 1/4 pixel accuracy in H.26L, an optimized algorithm based on fast SAD(Sums of Absolute Difference) is presented, which highly speeds up the H.26L coding program on the premise of maintaining the video qu

Abstract:The creation of the mathematical model for the Augmented Satellite Navigation Receiver is mainly researched and the steps of calculation are also discussed. By analysis and simulation, the mathematical model is proved to be practicable for the Augment Rec

Abstract:For completing the scheme of hard target smart fuze, several factors influencing the outputting acceleration of the high-G accelerometer such as target material, impact angle, impact velocity, the fixed position of accelerometer, carry plane etc., are put

Abstract:The principles of magnetic valve variable reactor are described in the paper. A control system based on CPLD is well designed and implemented, which can adjust the capacity of reactor continuously with a prompt response and a good reliability. Its practic

Abstract:介绍了基于xilinx ISE 4．1i设计平台的超大规模数字集成电路设计流程并使Coregen IP工具实现IP复用，在此基础上采Virtex-Ⅱ器件完成了相参雷达高度表信号处理系统的单芯片实现(SOC)。以多普勒滤波器的设计为例子详细介绍Coregen IP的参数设计、数据格式转化及调用，并采用VHDL描述、原理图编辑(ECS)、CORE Generator等多种设计工具进行电路仿真和交互设计，最后给出部分仿真结果。

Abstract:A technology of hybrid programming with VB and MATLAB is introduced, which is based on DLL file. It takes full advantages of VB and MATLAB by means of Mideva, a software programmed with Matcom technology. The integrated software can run independently with

Abstract:The virtual prototyping technology and its applications in engineering are introduced. This technology provides a new design method for technical personnel and can improve design efficiency and product quality greatly.

Abstract:Research and development achievements on electromagnetic micromotor by Shanghai Jiao Tong University are summarized in the paper, including its structural design, electrical control and microfabrication techniques.

Abstract:Operation of GPS receiver is dependent upon the external radio frequency signal, and therefore is liable to be affected by radio frequency interference (RFI). It is possible that the RFI results in navigation accuracy degradation or receiver tracking loss