IPv6域间路由分析和可视化

介绍了BGP．4＋协议,详细说明了一种全球IPv6 BGP路由图的生成原理。某犬学IPv6分配自治系统AS号65000,孝加入了CERNET IPv6实验床BGP联网实验计划后,从BGP．4＋联网路由信息交换过程中获得了犬量的BGP-4＋交换路由,对BGP．4＋路由联网实验输出的交换路由信息进行了分析,并生成了全球IPv6 BGP路由拓扑图n     

BGP4+协议一致性测试系统设计与实现

在介绍BGP4＋协议的基础上,设计并实现了该协议的一致性测试系统;提出了用于中继系统一致性测试的虚拟多端口的测试方法,解决了测试系统物理端口不够的问题;还介绍了一个新的测试例描述语言。     

4CF+一氧化碳传感器 4HS+及硫化氢传感器

英国城市技术公司产品,是其早期两款传感器——4CF及4HS的升级产品,4CF及4HS曾经被全世界领先的气体探测器制造商广泛应用于其保护     

亮剑中国高端T700——MAXIAN超视能又献力作

今年第八届高交会上MAXIAN（超视能）又为大家带莱了令人惊喜的T700，不仅继承了原来MAXIAN产品高清晰屏幕和漂亮外观设计外，而且在功能上加入了GPS＋DMB＋MP4，可谓足以令中国MP4掀起革命性的改变了。     

时栅位移传感器网络化接口设计

针对时栅位移传感器的“互联网+”战略,提出了一套时栅位移传感器互联网功能设计方案.以高性能的STM32F4微控制器为核心,设计了时栅位移传感器激励信号与感应信号的高速同步采样电路与网络接口电路,结合嵌入式操作系统,搭建了网络服务器模型,实现了时栅位移传感器的远程信号采集.实验结果表明,时栅位移传感器网络化接口模型能够准确地实现传感器远程信号采集,该模型的实现为下一步时栅位移传感器的大数据误差采样、误差远程自修正以及产品大数据分析提供了技术基础.     

LC87FA308A低压驱动8bit微控制器

三洋半导体公司出品，可以＋1．6V低电压驱动，只启动计时功能时的消耗电流低于标准的0．4μA，与该公司现有产品相比，待机时的耗电量降低了93％（＋3．3V驱动时），主要用于烟雾传感器、紧急照明灯及电池驱动的产品等。     

K8平台双子星——硕菁SK-NF4-DUAL主板

KB平台凭借其出色的性价比成为很多消费配机的首选，但在Socket T54和Socket 939两之间的取舍上，用户往往有些为难。一般用户更希望先使用相对廉价的SocKet 75年平台．待日后再升级到Socket 939。为了迎合这种需要，一些主板厂商推出了能够“通吃”两套平台的产品，比如这款项菁SK—NF4-DUAL。     

MOTO XT800＋智能手机--软硬件翻番的升级

MOTO XT800作为中国首款正式发布的Android智能手机已经被广大用户所熟识,而MOTO XT800＋作为其升级版本也已经面世,升级意味着产品功能和性能的提升,XT800＋确实做到了这点,但升级的步伐和涉及的方面超过了大部分人的预期。     

这个“＋”号不简单 AMD即将更新处理器接口

随着AMD新一代K10处理器即将在今年第三季度登场，其处理器接口也将升级，分别是AM2＋（针对桌面产品）和1207＋接口中（针对服务器产品）。究竟为什么AMD要升级处理器接口，这会对市场产生什么样的影响呢？[编者按]     

5624型中级铂金电阻温度计

该产品是为了低压塑性铸造设计的，有6177AE和6178AE两种型号，测量范围最大可到200bar，分辨率是通常的铸模传感器的4倍。6177AE前端直径是4mm，6178AE前端直径是2．5mm。传感器采用压电元件，对压力变化有较强的稳定性，可快速捕捉压力变化。该产品与同标准的电容放大器相兼容。     

基于微悬臂梁的生化传感器

由微机械加工技术和集成电路工艺制作的微悬臂梁,通过在其表面修饰以生化敏感层,能将电、热、应力和化学等信号变化转换成一个机械响应,配合以信号采集电路和测量系统,能够达到很高的灵敏度和精度。回顾微悬臂梁作为传感器的发展历程,介绍悬臂梁的工作原理,微梁的激励、检测方法以及基于微悬臂梁阵列传感器的优点,总结了世界上硅基微悬臂梁生化传感器的最新动态,并且展望微悬臂梁传感器这一新领域的应用前景。     

Smart sensors

The term Smart Sensors, one of the most strategic devices of Micro System Technologies (MST), refers to sensors which contain both sensing and signal processing capabilities with objectives ranging from simple viewing to sophisticated remote sensing, surveillance, search/track, weapon guidance, robotics, perceptronics and intelligence applications. This paper deals specifically with a new class of smart sensors in infrared spectral bands whose development started some years ago, when it was recognized that the rapid advances of very large scale integration (VLSI) processor technology and mosaic infrared detector array technology could be combined to develop a new generation of infrared smart sensor systems with much improved performances. Sophisticated signal processing operations have been studied for these new systems by integrating microcomputers and other VLSI signal processors within or next to the sensor arrays on the same focal plane, avoiding computing systems located far away from sensors. Recently, this approach has being upgraded by introducing inside the sensor some of the basic function of living eyes, such as dynamic stare, dishomogenity compensation, spatial and temporal filtering. New objectives and requirements and the relevant microsystems technologies are presented for this type of new infrared smart sensors which has been originally developed by us.     

电阻型氢气传感器研究进展

该文介绍了电阻型氢传感器国内外研究的最新进展,对该类传感器的工作原理和改进方法进行了详细的叙述,对半导体型和纳米线电阻型传感器的研究作了详细的介绍,并展望了电阻型氢气传感器的发展方向.     

Hydrogen sensors - A review

Hydrogen sensors are of increasing importance in connection with the development and expanded use of hydrogen gas as an energy carrier and as a chemical reactant. There are an immense number of sensors reported in the literature for hydrogen detection and in this work these sensors are classified into eight different operating principles. Characteristic performance parameters of these sensor types, such as measuring range, sensitivity, selectivity and response time are reviewed and the latest technology developments are reported. Testing and validation of sensor performance are described in relation to standardisation and use in potentially explosive atmospheres so as to identify the requirements on hydrogen sensors for practical applications.     

SiC气体传感器

SiC肖特基二极管气体传感器可以广泛应用于检测气体排放物和气体泄露。通过采用PdCr合金 ,可以提高Pd/SiC气体传感器的灵敏度。同时 ,在Pd层和SiC之间引入SnO2 作为界面层也是提高其灵敏度的一种有效途径。进一步的研究表明 ,SnO2 层的大小也对传感器的性能有着重要影响。     

卟啉传感器检测挥发性有机化合物的研究进展

卟啉与金属卟啉具有优良的气敏性能,是检测挥发性有机化合物(VOCs)的理想敏感材料。卟啉与金属卟啉传感器已成功地应用于VOCs的检测。基于不同类型传感器的传感原理,对目前国内外用于VOCs检测的几类卟啉传感器的研究进展进行了分类介绍,并对卟啉传感器在VOCs检测领域的研究方向和发展前景做了展望。     

Coordinated dispatching of proximity sensors for the surveillance of manoeuvring targets

The surveillance of a manoeuvring target with multiple sensors in a coordinated manner requires a method for selecting and positioning groups of sensors in real time. Herein, the principles of dispatching, as used for the effective operation of service vehicles, are considered. The object trajectory is first discretized into a number of demand instants (data acquisition times), to which groups of sensors are assigned, respectively. Heuristic rules are used to determine the composition of each sensor group by evaluating the potential contribution of each sensor. In the case of dynamic sensors, the position of each sensor with respect to the target is also specified. Our proposed approach aims to improve the quality of the surveillance data in three ways: (1) The assigned sensors are manoeuvred into “optimal” sensing positions, (2) the uncertainty of the measured data is mitigated through sensor fusion, and (3) the poses of the unassigned sensors are adjusted to ensure that the surveillance system can react to future object manoeuvres. If a priori target trajectory information is available, the system performance may be further improved by optimizing the initial pose of each sensor off-line. The advantages of dispatching dynamic sensors over similar static-sensor systems are demonstrated through comprehensive simulations.     

Haze removal for new generation optical sensors

Haze and cloud contamination is a common problem in optical remote-sensing imagery, as it can lead to the inaccurate estimation of physical properties of the surface derived from remote sensing and reduced accuracy of land cover classification and change detection. Haze optimized transform (HOT) is a methodology applicable to radiometric compensation of additive haze effects in visible bands that exhibits a spatially complex distribution over an image. The generic approach of HOT allows for the use of older satellite imaging sensors that include at least two visible bands (e.g. Landsat Thematic Mapper (TM) and Landsat Multispectral Scanner (MSS) sensors). This study proposes modifications to extend HOT applicability to new sensors. The improvements and extended functionality adapt the method to the higher radiometric resolution specifications of newer generation sensors and use percentile-based minimum in the correction procedure to avoid causing fake minimum. Alternative filters are also evaluated to smooth raw HOT output and the cloud mask is generated as an additional output. A Landsat 8 scene of Los Angeles is used to demonstrate the improved methodology. The methodology is applicable to sensors such as QuickBird, Worldview 2/3. More than 20 additional scenes were used to evaluate the effectiveness of the methodology.     

加速度传感器动载响应标定试验研究

传感器在实际使用中,受到环境等实际情况的影响,其技术参数不一定能真实准确地反应传感器的性能,因此需要对其进行标定和校准。使用背靠背的试验方法,在激振台上,用一个标准加速度传感器SD1403对加速度传感器SCA610进行了标定试验,对传感器的灵敏度、线性度和频率特性等参数进行了标定,标定结果表明SCA610加速度传感器的中低频特性较好,可用于测量汽车行驶减速度。     

移动Web快速开发的研究与实践

针对如何快速开发出美观时尚、功能齐全、兼容性强的手机网站,在研究分析当前移动Web开发主流技术的基础上,提出一种高效的解决方案,利用MVC4、Entity Framework和jQuery Mobile等技术设计并实现手机课程网站。网站具有界面简约美观,导航方便,兼容性高等优点,并在南京理工大学泰州科技学院得到应用,提高了学生的学习热情和效率。