Abstract:Some video information on the site would transport to the long-distance supervisory and control center in some special applications in recent years.There have some sensitive information or classified information in the video,which need to be protected. A

Abstract:Traditional intrusion detection system cant ensure the safety of computer system with the development of computer network. Therefore,a model of distributed intrusion detection system based on multi-agent is propsed.The principle of information fusion and

Abstract:The net data exchange interfaces of InTouch:net DDE and SuiteLink are introduced.Aiming at the networking trend of control system,a net data exchange interface based on CORBA technology for InTouch is put forward and implemented,which can remedy the defic

Abstract:A new error controlling code-three-way supervise Complex-Rotary Code is put forward firstly using a way of combinational analysis.Its capability of error-correct and super-limited decoding are emphatically analyzed.Although its capability of correcting su

Abstract:The similarities and differences between AMR and G.729 codec are analyzed.A Scheme is then proposed to transcode from AMR to G.729 on parameter layer directly.Compared with traditional transcoding schemes,at the cost of tolerable loss in speech quality,it

Abstract:In this article,the principle of AM(standard amplitude modulation)and 2FSK(binary frequency-shift keying)are first introduced.Then a technique of dual modulation combining AM and 2FSK is proposed for simultaneous audio and data wireless transmission.At th

Abstract:Projectile penetrating into concrete thick sheet is a very complicated question.It is applicable to use scale model in the experiment in such research. The similitude rules of projectile penetrating into concrete thick sheet have been studied using dimen

Abstract:Minimum Mutual Information Blind Receiver for array antenna system in flat fading channel is proposed in this paper.Based on the method of minimizing of mutual information and approximated generalized Gaussian distribution of the receivers output signal,t

Abstract:The GVFF-RLS(Gradient variable forgetting factor Recursive Least Sqaure)algorithm for adaptive beamforming in smart antenna is provided in this paper.Through the analysis of steady-state performance and simulations, this algorithm is shown to provide a fa

Abstract:The principle and method of constructing a simple virtual instrument system using Visual C is introduced through an instance. The realization of sampling and timing at the PC is expounded.

Abstract:为了提高车辆监控短消息通信网关的性能，根据设计原理抽象出了一种网络节点的缓冲排队模型，运用马尔可夫链和排队理论推导计算了模型的平均队长、平均时延以及特定队长时的数据丢失率。在此基础上，对网关的性能进行了详细的分析，提出了几种预防和解决网关拥塞的方法。试验、仿真结果证实了所采用的模型和分析方法是正确有效的。

Abstract:A new usage of Hough Transform is introduced in this paper.Firstly,the position and scope of the license plate is located and the image that contains the license plate is picked up.Then, a two-stage Hough transform algorithm is applied to the image to cal

Abstract:The three-coaxial and three-parallel experiment equipments and method are introduced for the experiment of current injecting.The influence of skin current waveform on core voltage is studied.The effects of the starting and ending resistance change on core

Abstract:A design of dedicated LCD (Liquid Crystal Display) driver For DSO (Digital Storage Oscilloscope) is discussed.The scan signal and data signal of LCD needed are provided by DSP (Digital Signal Processor).The DSP also deals with the display data transmitted

Abstract:The design of an interface circuit in one type of DSO (Digital Store Oscilloscope) is described in this paper.Through this circuit, the DSO can be connected to a computer with EPP (Enhanced Parallel Port) interface directly.And the DSO functions will be e

Abstract:介绍了采用基于网络的分布式测控技术组建Ln(Linear Induction Accelerator)测控系统的基本架构和功能，对其目前可采用的软硬件新技术在本领域的应用作了一定程度的探讨和展望。

Abstract:In order to ensure the accuracy of the measurement of digital oscilloscope,aiming at its digital characteristics,the collectivity scheme is discussed firstly,then subentry verification method is adopted to evaluate digital oscilloscope,in which the verifi

Abstract:利用CΓC67实验装置测量了薄片PIN探测器及其二元和三元阵列的低能γ射线灵敏度和上升时间。实验证实，三元阵列灵敏度比单个探测器提高到近3倍，但上升时间也随之增大到近2倍。

Abstract:The application of bandpass sampling in data acquisition can reduce the sampling frequency greatly.But the anti-aliasing filter in the system would bring the phase nonlinearity.So a new method is introduced in this article.In the method,sample the signal

Abstract:The Software Defined Radio(SDR) devices have great flexibility,their functions are mainly defined by software,so it is possible to upgrade or even redefine their functions by means of changing the software.In the wireless communication environments,the ra