"自动控制理论"课程的MATLAB辅助教学

应用MATLAB软件开发出“自动控制理论”辅助教学（CAI）课件,介绍了课件的组成,说明了课件具有课堂演示,实验仿真和系统分析计算三项功能及使用方法,结合课件在教学中的实际应有总结了使用计算机课件教学与传播课堂教学方式相比的特点,表明课件的应用改进了教学手段,丰富了内容,取得了良好的教学效果,对于教学水平的提高十分有益,并指出今后应开发课件的个性化学习功能网络功能。     

艺术体操CAI课件的开发与应用效应探析

艺术体操CAI课件是对艺术体操教学的有效辅助。本文对艺术体操CAI课件的内容结构、制作流程进行了描述,阐述了CAI课件在艺术体操教学应用中的意义,旨在为艺术体操教学模式的改革提供新的方法和补充。     

CAI大学语文课件的选题与制作

将CAI技术引入到大学语文教学中,可以提高教师的教学水平和学生的学习兴趣。针对CAI语文教学,该课题论述了CAI大学语文课件的文本、动画等教学素材的采集及制作技术,课件的开发平台是Authorwares7.0,其中还会用到动画素材编辑软件Flash MX,图像处理软件Photoshop 7.0等多种软件,与硬件相结合制作出高效实用的CAI课件辅助教学。     

多媒体CAI技术在足球教学中的应用

当前多媒体计算机辅助教学CAI技术已经在高校教学及办公范围内进行大量使用,可是在体育教学中使用的还不够普遍。因此,文章重点对多媒体CAI技术在足球教学中的应用进行探讨。     

多媒体CAI技术在足球教学中的应用

当前多媒体计算机辅助教学CAI技术已经在高校教学及办公范围内进行大量使用，可是在体育教学中使用的还不够普遍。因此，文章重点对多媒体CAI技术在足球教学中的应用进行探讨。     

单片机原理及应用CAI课件的研制

单片机原理及应用因其内容抽象难懂,多年来一直是教学中的难点,为了提高教学效果,我们研制了《单片机原理及应用》CAI课件,通过教学实际使用,收到了良好的效果。     

电子技术计算机辅助教学

介绍了在电子技术基础课程教学中使用计算机辅助教学技术的方法和体会 ,讨论了如何充分利用计算机辅助教学技术 ,发挥CAI课件的教学功能 ,优化教学过程 ,提高教学质量的问题。     

电工类课程CAI课件的心理学问题初探

从教学心理学出发，对电工学课程CAI课件的设计及应用中的一些心理问题作初步探索，以解决电工学课程教学中，怎样充分利用计算机辅助教学软件，发挥CAI课件的教学功能，优化教学过程，提高教学质量的问题。     

基于Web的控制电机多媒体教学课件的开发

基于Web的控制电机教学课件是多媒体CAI课件与Web技术的结合。它利用网络丰富的表现手法和超级链接将抽象的理论形象化。本文介绍了基于Web的控制电机多媒体CAI课件开发的过程和网络课件在控制电机辅助教学中的优势。     

网络型CAI课件的设计技术与应用

基于Web的多媒体CAI是网络条件下多媒体CAI一种有效的应用形式,本文结合《多媒体通信技术》网上教学课件实例介绍了基于Web的多媒体CAI课件的设计及制作技术。     

Resolution Enhancement Technology:Integrated Process Solutions using OPC

DUV lithography, using the 248 nm wavelength, is a viable manufacturing option for devices with features at 130 nm and less. Given the low kl value of the lithography, integrated process development is a necessary method for achieving acceptable process latitude. The application of assist features for rule based OPC requires the simultaneous optimization of the mask, illumination optics and the resist.Described in this paper are the details involved in optimizing each of these aspects for line and space imaging.A reference pitch is first chosen to determine how the optics will be set. The ideal sigma setting is determined by a simple geometrically derived expression. The inner and outer machine settings are determined, in turn,with the simulation of a figure of merit. The maximum value of the response surface of this FOM occurs at the optimal sigma settings. Experimental confirmation of this is shown in the paper.Assist features are used to modify the aerial image of the more isolated images on the mask. The effect that the diffraction of the scattering bars (SBs) has on the image intensity distribution is explained. Rules for determining the size and placement of SBs are also given.Resist is optimized for use with off-axis illumination and assist features. A general explanation of the material' s effect is discussed along with the affect on the through-pitch bias. The paper culminates with the showing of the lithographic results from the fully optimized system.     

Cost-effective test solutions for smart card and other integrated flash applications

From its emergence in the late 1980s as a lower cost alternative to early EEPROM technologies, flash memory has evolved to higher densities and speedsand rapidly growing acceptance in mobile applications.In the process, flash memory devices have placed increased test requirements on manufacturers. Today, as flash device test grows in importance in China, manufacturers face growing pressure for reduced cost-oftest, increased throughput and greater return on investment for test equipment. At the same time, the move to integrated flash packages for contactless smart card applications adds a significant further challenge to manufacturers seeking rapid, low-cost test.     

Theoretical analysis of the relationship between the Brillouin gain coefficient and the strain in the optical-fiber sensors

The relation between the power of the Brillouin signal and the strain is one of the bases of the distributed fiber sensors of temperature and strain. The coefficient of the Bfillouin gain can be changed by the temperature and the strain that will affect the power of the Brillouin scattering. The relation between the change of the Brillouin gain coefficient and the strain is thought to be linear by many researchers. However, it is not always linear based on the theoretical analysis and numerical simulation. Therefore, errors will be caused if the relation between the change of the Brillouin gain coefficient and the strain is regarded as to be linear approximately for measuring the temperature and the strain. For this reason, the influence of the parameters on the Brillouin gain coefficient is proposed through theoretical analysis and numerical simulation.     

An improved parallel thinning algorithm with two subiterations

The parallel thinning algorithm with two subiterations is improved in this paper. By analyzing the notions of connected components and passes, a conclusion is drawn that the number of passes and the number of eight-connected components are equal. Then the expression of the number of eight-connected components is obtained which replaces the old one in the algorithm. And a reserving condition is proposed by experiments, which alleviates the excess deletion where a diagonal line and a beeline intersect. The experimental results demonstrate that the thinned curve is almost located in the middle of the original curve connectivelv with single pixel width and the processing speed is high.     

Novel fiber-optical interferometer with miniaturized probe for in-hole measurements

Today, micro-system technology and the development of new MEMS （Micro-Electro-Mechanical Systems） are emerging rapidly. In order for this development to become a success in the long run, measurement systems have to ensure product quality. Most often, MEMS have to be tested by means of functionality or destructive tests. One reason for this is that there are no suitable systems or sensing probes available which can be used for the measurement of quasi inaccessible features like small holes or cavities. We present a measurement system that could be used for these kinds of measurements. The system combines a fiber optical, miniaturized sensing probe with low-coherence interferometry, so that absolute distance measurements with nanometer accuracy are possible.     

Development of the readout system for waveguide multilayer optical card

Waveguide multilayer optical card （WMOC） is a novel storage device of three-dimensional optical information. An advanced readout system fitting for the WMOC is introduced in this paper. The hardware mainly consists of the light source for reading, WMOC, motorized stages addressing unit, microscope imaging unit, CCD detecting unit and PC controlling ＆ processing unit. The movement of the precision motorized stage is controlled by the computer through Visual Basic （VB） language in software. A control panel is also designed to get the layer address and the page address through which the position of the motorized stages can be changed. The WMOC readout system is easy to manage and the readout result is directly displayed on computer monitor.     

Study of waveguide coupling efficiency in hybrid silicon lasers

This paper presents a new method to increase the waveguide coupling efficiency in hybrid silicon lasers. We find that the propagation constant of the InGaAsP emitting layer can be equal to that of the Si resonant layer through improving the design size of the InP waveguide. The coupling power achieves 42% of the total power in the hybrid lasers when the thickness of the bonding layer is 100 nm. Our result is very close to 50% of the total power reported by Intel when the thickness of the thin bonding layer is less than 5 nm. Therefore, our invariable coupling power technique is simpler than Intel＇s.     

Collinear phase-matching study of terahertz-wave generation via difference frequency mixed in GaAs and Inp

The collinearly phase-matching condition of terahertz-wave generation via difference frequency mixed in GaAs and InP is theoretically studied. In collinear phase-matching, the optimum phase-matching wave hands of these two crystals are calculated. The optimum phase-matching wave bands in GaAs and lnP are 0.95-1.38μm and 0.7-0.96μm respectively. The influence of the wavelength choice of the pump wave on the coherent length in THz-wave tuning is also discussed. The influence of the temperature alteration on the phase-matching and the temperature tuning properties in GaAs crystal are calculated and analyzed. It can serve for the following experiments as a theoretical evidence and a reference as well.     

Effects of the alloy compositions on the phonon-polaritons in ternary mixed crystals

Composition dependence of bulk and surface phonon-polaritons in ternary mixed crystals are studied in the framework of the modified random-element-isodisplacement model and the Bom-Huang approximation. The numerical results for Several Ⅱ - Ⅵ and Ⅲ- Ⅴ compound systems are performed, and the polariton frequencies as functions of the compositions for ternary mixed crystals AlxGa1-xAs, GaPxAS1-x, ZnSxSe1-x, GaAsxSb1-x, GaxIn1-xP, and ZnxCd1-xS as examples are given and discussed. The results show that the dependence of the energies of two branches of bulk phonon-polaritons which have phonon-like characteristics, and surface phonon-polaritons on the compositions of ternary mixed crystals are nonlinear and different from those of the corresponding binary systems.     

New insert layer structure OLEDs

An insert layer structure organic electroluminescent device（OLED） based on a new luminescent material （Zn（salen）） is fabricated. The configuration of the device is ITO/CuPc/NPD/Zn（salen）/Liq/LiF/A1/CuPc/NPD/Zn（salen）/Liq/LiF/A1. Effective insert electrode layers comprising LiF（1nm）/Al（5 nm） are used as a single semitransparent mirror, and bilayer cathode LiF（1 nm）/A1（100 nm） is used as a reflecting mirror. The two mirrors form a Fabry-Perot microcavity and two emissive units. The maximum brightness and luminous efficiency reach 674 cd/m^2 and 2.652 cd/A, respectively, which are 2.1 and 3.7 times higher than the conventional device, respectively. The superior brightness and luminous efficiency over conventional single-unit devices are attributed to microcavity effect.