基于Zinc的雷达显控软件系统设计

提出了将VxWorks操作系统及其图形用户接口工具Zinc引入到雷达显控终端软件设计中的必要性,通过实例介绍了Zinc的界面设计流程,给出了某雷达显控终端软件的设计架构,着重分析了Zinc在终端软件设计中几个关键的实现技术,具有很强的实用性。     

老人服务机器人机械臂控制系统架构设计方法

<正>为老人提供各种服务的机器人成为一种迫切的社会需求。为提升老人服务机器人控制系统性能,对软件及硬件架构进行深层次分析,提出了一种包含三层控制系统架构的设计方法,在现有机器人操作系统ROS的基础上,向上拓展应用技术开发,向下延伸底层硬件驱动技术。将该方法应用在一种新型老人服务机器人上,对老人服务机器人的机械臂系统开展运动学分析,验证了该方法的有效性,实现了室内物体抓取,可通用于一般的服务机器人。     

基于Cortex-A8和FPGA的嵌入系统在雷达信号处理中的应用

本文总结以往雷达信号处理经验,提出了新的利用Cortex-A8和FPGA共同实现雷达信号数据处理的方案。主要介绍了基于TI公司Cortex-A8平台系统及FPGA的相关硬件,给出了具体的硬件设计方法,并对设计原理进行了阐述和分析。同时对基于VxWorks的实时多任务操作系统的特性和优势进行了简要分析;完成了雷达系统中数字通信的管理和控制,实现雷达系统中数字信号的处理。     

分布式天波超视距雷达体制研究

论述了天波超视距雷达及多输入多输出体制近年来的发展和研究状况.同时,从分布式天波超视距雷达所面临的任务需求和技术体制等方面展开分析,给出了雷达系统架构以及2种配置方式,并就其资源配置和信息融合进行了设计.最后,根据技术难点和成熟度提出了分布式天波超视距雷达"三步走"的技术发展路线及相应的阶段目标,对其中的关键技术还进行了评述.     

嵌入式雷达终端人机界面的设计

人机界面设计是雷达终端软件的重要组成部分。现代雷达终端是集数据处理、显示控制、数据上报和系统监测等功能于一体的嵌入式雷达设备,必须具备多功能、强实时性、占用资源少、易操作、可维护等特点。VxW orks操作系统由于它的可靠性、强实时性等卓越性能成为雷达终端的首选操作系统,但其对图形的处理能力较弱。给出了适用于通用高端显卡基于VxW orks操作系统的嵌入式雷达终端人机界面设计的实现方法。     

软件化雷达技术发展思考与展望

针对现代雷达技术发展速度加快和愈趋复杂的特点,本文首先指出目前雷达技术在装备研发效率和更新换代速度两方面面临的挑战,并对国内外的发展进行了综述,指出软件化雷达是应对这些挑战的有力手段。然后,给出了软件化雷达体系架构的定义,并提出了包括物理层、中间件层、组件层、应用层的四层体系架构模型。在此基础上,结合开放式系统的概念,分析了软件化雷达组件化设计方法的特点:抽象化、组件化、可重用、可定制、自包容、互操作、松耦合。基于这些特点,软件化雷达组件化设计方法可以实现雷达系统的快速构建。接下来进一步指出了软件化雷达的技术定位是一种平台性技术,会为雷达装备应对各种挑战带来更多可能性。最后,对软件化雷达技术未来的发展方向和需要重视的问题进行了总结。      

雷达与电子战的认知博弈

新技术与新型作战样式的不断涌现,使得雷达与电子战的博弈愈演愈烈。具备能够准确感知环境,并能够根据环境动态调整工作方式的认知能力,成为雷达与电子战系统适应未来强博弈作战环境的必然要求。通过分析认知雷达与认知电子战的发展现状,给出认知雷达与认知电子战的系统架构,进一步阐述认知雷达与认知电子战的博弈过程;在此基础上,对射频一体化认知对抗系统展开研究,提出射频一体化认知对抗系统架构,并对调用策略进行详细设计;最后对体系化认知对抗系统的架构及关键技术进行了展望。     

基于Qt的雷达信息显示设计

提出了一种基于Qt图形化视图框架的雷达信息显示的新方法。Linux操作系统由于具有开源、免费、具有知识产权的特点,在许多领域特别是在军品领域逐步取代Windows操作系统的地位。而Qt由于自身优势,成为Linux操作系统下图形用户界面的主流开发工具。采用基于Qt图形化视图框架的雷达信息显示,使得图形用户界面具有信息显示实时、程序架构简单的优点,而且通过采用Qt Desingner工具、style sheet方式使得图形用户界面设计简单、界面友好。     

Windows CE设备驱动程序开发

基于Windows CE操作系统级设计的一个重要方面是原始设备制造商（OEM）和独立硬件开发商（IHV）可以对设备驱动程序来支持他们的独立于硬件的发展,而不需要微软也开发设备驱动程序。本文介绍了CE WinCE架构的过程和Windows设备驱动程序的开发,并介绍了设备驱动程序,设备驱动程序结构和中断处理。CE Windows操作系统支持4个设备驱动模型：本机设备驱动,流接口设备驱动程序,USB设备驱动,网络驱动程序。     

基于软件无线电的多功能射频综合一体化设计

在研究国内外雷达、电子战、通信综合一体化技术的基础上,分析了雷达、电子战、通信功能特点及综合一体化带来的优势,提出了基于软件无线电的多功能射频综合一体化设计思路,然后阐述了综合一体化系统架构,给出了雷达、电子战、通信综合一体化方案,最后对综合一体化设计技术、超宽带射频技术、系统软件技术和系统资源管理等关键技术进行了重点讨论,为基于软件无线电的雷达、电子战、通信多功能综合射频系统具体设计提供了借鉴。     

Technology innovation and process integrations for sub-100nm gate patterning

This paper presents a brief overview of the Applied Centura(R)DPS(R)system,configured with silicon etch DPS Ⅱ chamber, with emphasis on discussing tuning capability for CD uniformity control. It also presents the studies of etch process chemistry and film integration impact for an overall successful gate patterning development. Discussions will focus on resolutions to key issues, such as CD uniformity, line-edge roughness, and multilayer film etching integration.     

White organic light-emitting devices based on fac tris（2- phenylpyridine） iridium sensitized 5,6,11,12-tetraphenylnap -hthacene

We have fabricated the white organic light-emitting devices （WOLEDs） based on 4,4＇ -bis（2,2 -diphenyl vinyl）-1,1＇ - biphenyl （DPVBi） and phosphorescence sensitized 5,6,11,12,-tetraphenylnaphthacene （rubrene）. The device structure is ITO/2T-NATA （20 nm）/NPBX （20 nm）/CBP： x%Ir（ppy）3：0.5% rubrene （8 nm）/NPBX （5 nm）/DPVBi （30 nm）/Alq（30 nm）/LiF（0.5 nm）/A1. In the devices, DPVBi acts as a blue light-emitting layer, the rubrene is sensitized by a phosphorescent material, fac tris （2-phenylpyridine） iridium [Ir（ppy）3], acts as a yellow light-emitting layer, and N,N＇ -bis- （1-naphthyl）- N,N＇ -diphenyl -1, 1＇ -biphenyl-4,4＇ -diamine （NPBX） acts as a hole transporting and exciton blocker layer, respectively. When the concentration of Ir （PPY）3 is 6wt%, the maximum luminance is 24960 cd/m^2 at an applied voltage of 15 V, and the maximum luminous efficiency is 5.17 cd/A at an applied voltage of 8 V.     

Complete approach to automatic identification and subpixel center location for ellipse feature

To meet the need of automatic image features extraction with high precision in visual inspection, a complete approach to automatic identification and sub-pixel center location for similar-ellipse feature is proposed. In the method, the feature area is identified automatically based on the edge attribute, and the sub-pixel center location is accomplished with the leastsquare algorithm. It shows that the method is valid, practical, and has high precision by experiment. Meanwhile this method can meet the need of instrumentation of visual inspection because of easy realization and without man-machine interaction.     

小角度扩展相关性近似算法分析

本论文提出一种在多天线MIMO信道相关性建模中小角度扩展近似理论算法,并应用于分析MIMO系统性能。分析中分别对三种不同角能量分布情况下的空间相关性研发快速近似计算法,并同时提出双模(Bi-Modal)角能量分布情况下的近似运算。通过分析这些新方法的近似效率,可以得到计算简单、复杂度低、而且符合实际的MIMO相关信道矩阵,对系统级的快速高效计算法的研究和系统级的评估以及误差分析具有重要的意义。     

Curved crystal spectrometer for the measurement of X-ray lines from laser-produced plasmas

In order to diagnose the laser-produced plasmas, a focusing curved crystal spectrometer has been developed for measuring the X-ray lines radiated from a laser-produced plasmas. The design is based on the fact that the ray emitted from a source located at one focus of an ellipse will converge on the other focus by the reflection of the elliptical surface. The focal length and the eccentricity of the ellipse are 1350 mm and 0.9586, respectively. The spectrometer can be used to measure the X- ray lines in the wavelength range of 0.2-0.37 nm, and a LiF crystal （200） （2d = 0.4027 nm） is used as dispersive element covering Bragg angle from 30° to 67.5°. The spectrometer was tested on Shengnang- Ⅱ which can deliver laser energy of 60-80 J/pulse and the laser wavelength is 0.35 μm. Photographs of spectra including the 1 s2p ^1P1-1s^2 ^1S0 resonance line（w）, the 1s2p ^3P2-1s^2 1S0 magnetic quadrupole line（x）, the 1s2p ^3P1-1 s^2 ^1S0 intercombination lines（y）, the 1 s2p ^3S~1-1 s^2 ^1S0 forbidden line（z） in helium-like Ti Ⅹ Ⅺ and the 1 s2s2p ^2P3/2-1 s622s ^2S1/2 line（q） in lithium-like Ti Ⅹ Ⅹhave been recorded with a X-ray CCD camera. The experimental result shows that the wavelength resolution（λ/△ 2） is above 1000 and the elliptical crystal spectrometer is suitable for X-ray spectroscopy.     

Preparation and Characterization of TaN ALD Precursors

High purity organic-tantalum precursors for thin film ALD TaN were synthesized and characterized.Vapor pressure and thermal stability of these precursors were studied.From the vapor pressure analysis,it was found that TBTEMT has a higher vapor pressure than any other published liquid TaN precursor,including TBTDET,TAITMATA,and IPTDET.Thermal stability of the alkyl groups on the precursors was investigated using a 1H NMR technique.The results indicated that the tertbutylimino group is the most stable group on TBTDET and TBTEMT as compared to the dialkylamido groups.Thermal stability of TaN precursors decreased in the following order:TBTDET ＞ PDMAT ＞ TBTEMT.In conclusion,precursor vapor pressure and thermal stability were tuned by making slight variations in the ligand sphere around the metal center.     

Electronic Structure of Semiconductor Nanocrystals

This paper reviews our recent development of the use of the large-scale pseudopotential method to calculate the electronic structure of semiconductor nanocrystals, such as quantum dots and wires, which often contain tens of thousands of atoms. The calculated size-dependent exciton energies and absorption spectra of quantum dots and wires are in good agreement with experiments. We show that the electronic structure of a nanocrystal can be tuned not only by its size,but also by its shape. Finally,we show that defect properties in quantum dots can be significantly different from those in bulk semiconductors.     

A Versatile Mixed-Signal Pin Approach for Cost-Effective Test of Automotive ICs

Integrated circuits (ICs) intended for increasingly sophisticated automotive applications bring unique test demands. Advanced ICs for applications such as highly integrated automatic braking system (ABS) and airbag controllers combine high voltage digital channels, significant VI demands and precise timing capability. Along with continued missioncritical reliability concerns, the trend toward higher voltage operation and increased device integration requires specialized test capabilities able to extend across the wide operating ranges found in automotive applications. Among these capabilities, automotive test requirements increasingly dictate a need for a cost-effective versatile mixed-signal pin electronics with very high data rates reaching up to 50MHz with a voltage swing of-2 V to +28 V.     

Critical Stage Rule-Based Real Time Dispatch（RTD）System in Highly-Mixed-Products （HMP） FAB

An improving utilization and efficiency of critical equipments in semiconductor wafer fabrication facilities are concerned. Semiconductor manufacturing FAB is one of the most complicated and cost sensitive environments. A good dispatching tool will make big difference in equipment utilization and FAB output as a whole. The equipment in this paper is In-Line DUV Scanner. There are many factors impacting utilization and output on this equipment group. In HMP environment one of the issues is changing of reticule in this area and idle counts due to load unbalance between equipments. Here we'll introduce a rule-based RTD system which aiming at decreasing the number of recipe change and idle counts among a group of scanner equipment in a high-mixed-products FAB.     

Optical vibration and deviation measurement of rotating machine parts

It is of interest to get appropriate information about the dynamic behaviour of rotating machinery parts in service. This paper presents an approach of optical vibration and deviation measurement of such parts. Essential of this method is an image derotator combined with a high speed camera or a laser doppler vibrometer （LDV）.