附加的 赚钱的

对于每一个人来说,“小人”都是一个极端的蔑称。所谓“两面三刀、阳奉阴违”,人人都敬而远之,古龙在其书中说到,他最痛恨的就是“嘴里叫哥哥,手里捅刀子”的家伙。猫王的一位朋友就曾有感而发:“千万不要轻信那些表面的现象,也不要被那些甜言蜜语所迷惑,不了解实际情况决不能轻易下手。那些奸商……”朋友很是愤怒,因为他受过骗。那年,他要买打印机,“就想买个耐用的,便宜点的。”于是,这老兄四处查找信息,终于在某杂志上找到他所中意的对象,便宜、耐用、不偏不倚。朋友打电话去询问,销售小姐很热情,各项情况娓娓道来,并保证广告所说一切属实,敬请现场查看。朋友一时喜不自禁,第二天就驱车前     

极致的的美丽

2007年到2008年是第四次国际极地年,有关保护环境,保护地球的理论说教,我不想继续。我们奉献给读者的是这样一组美轮美奂的极地作品。对于这样极致的美丽,你还忍心去破坏它,去摧毁它吗？     

小的才是好的

前年秋天,我奉学校之派,到韩国圆光大学任教.刚刚跨入大学为我安排的宿舍,就发现写字桌上放着一台半新不旧的电脑.这可真是喜出望外.在家里我用惯了电脑,这一下可免除了无“脑”的烦恼.一喜之下,我马上又关心起圆光大学的网络设施问题.能不能方便快捷地上因特网,这可关系我在韩国的生活质量.因为身在异国,中文的报刊杂志少而又少.好不容易看到《人民日报》海外版,往往是个把星期以前的旧闻.只要能上网,看看国内的网上报章,无疑会解除文化信息的干渴.     

适合的才是好的

任何一个产业,在刚刚起步阶段,国家的保护是至关重要的,这会促进这个产业的快速发展,但我们不能始终躺在国家庇护的树荫下乘凉,要主动去适应市场。     

合适的才是好的

夏天的天气简直熱得都快要赶上e浪潮了,让e诸葛实在有点不受用。于是乎,e诸葛抽了个空到大商场去查探了一番。虽然这不是一个大老爷们愿意干的事,但是既然是“微服私访”,就有几个原因:一是想吹吹空调,吸吸凉气,驱走烦躁;二是想在商场中找寻一些关于传统零售业迟迟不肯进入电子商务的蛛丝马迹。走了走大商场.他好象明白了其中一二。都说“购物是一种享受”,大概只有抱着研究的心态,e诸葛才注意到:商场中不但有凉爽的环境、柔和的灯光、优美的音乐,就连货物的摆放、位置也有讲究。似乎大型商场一层总是化妆品和首饰,二、三层铁定是男装女装,超市嘛,肯定在地下……这就是传统商家的一些经验吧。有层次感、丰富多样的物品加上员工的服务态度……加在一起     

改进的堆的枚举算法的研究

提出一种生成所有堆的枚举算法。该算法按照从深层次向低层次的顺序生成堆,采用单个数判断法。测试结果验证了该算法的有效性和可靠性。     

灵活的配置软件系统的文件目录的方法

介绍了配置软件系统文件目录的重要性以及3种配置方式,在此基础上提出了在固定式目录和相对式目录下实现灵活配置的方法,比较了两种方法的优缺点.得出结论：在大型的软件系统中两种方法结合使用;在小型软件系统中一般采用相对式目录.     

飘过我的心情的你的网

初遇Hero,是在I社区里,那时候自己刚到这家公司,对各种图片软件一窍不通,而主编交给我的一大堆任务全跟那些PHOTOSHOP,DREAMWEAVER什么的有关,我看着它们,这里改改,那里改改,都不得要领,简直被他们弄得焦头烂额了。于是百无聊赖之际,走走停停地就来到I社区,开始以为这不过是个供人扯淡的茶庄,谁知才说了一两句话就发现这里高手如     

极富潮流时尚的外形的诺基亚的7260

全新的键盘设计令7260显得十分吸引人。这款银白红相间版更是把那种古典的优雅与现代的潮流完美的结合在一起．从美学的角度上来看诺基亚的7260可以说得上是一款设计相当精美的艺术品，具有相当高的观赏价值。     

合适的才是最好的

这位海归CIO的经历，与业界很多失败项目的传说有诸多相似之处，某企业上了一套先进的大品牌的系统，项目往往在上线后没有了下文。如何避免出现上述案例的情形，应该注意以下几点。     

单电子电路的鲁棒性研究

分析了单电子器件和人工神经网络的特性,从理论上证明了用人工神经网络构建单电子电路的可行性,并对单电子器件隧穿结隧穿特性和单电子振荡器的功能进行了仿真分析验证,同时研究了单电子振荡器的应用.本着可靠和复杂度低的前提,应用人工神经网络构建了一个单电子电路加法器模型,从模型的鲁棒性角度和电路的复杂性角度,用仿真软件对其进行了仿真分析.结果表明,神经网络是构建鲁棒性单电子电路的可靠方法,Pspice能够为成为单电子电路仿真的有效工具,为以后相关研究奠定了一定基础.     

Electrokinetic motion of single nanoparticles in single PDMS nanochannels

Electrokinetic motion of single nanoparticles in single nanochannels was studied systematically by image tracking method. A novel method to fabricate PDMS-glass micro/nanochannel chips with single nanochannels was presented. The effects of ionic concentration of the buffer solution, particle-to-channel size ratio and electric field on the electrokinetic velocity of fluorescent nanoparticles were studied. The experimental results show that the apparent velocity of nanoparticles in single nanochannels increases with the ionic concentration when the ionic concentration is low and decreases with the ionic concentration when the concentration is high. The apparent velocity decreases with the particle-to-channel size ratio (a/b). Under the condition of low electric fields, nanoparticles can hardly move in single nanochannels with a large particle-to-channel size ratio. Generally, the apparent velocity increases with the applied electric field linearly. The experimental study presented in this article is valuable for future research and applications of transport and manipulation of nanoparticles in nanofluidic devices, such as separation of charged nanoparticles and DNA molecules.     

3D face reconstruction from a single image using a single reference face shape

Human faces are remarkably similar in global properties, including size, aspect ratio, and location of main features, but can vary considerably in details across individuals, gender, race, or due to facial expression. We propose a novel method for 3D shape recovery of faces that exploits the similarity of faces. Our method obtains as input a single image and uses a mere single 3D reference model of a different person's face. Classical reconstruction methods from single images, i.e., shape-from-shading, require knowledge of the reflectance properties and lighting as well as depth values for boundary conditions. Recent methods circumvent these requirements by representing input faces as combinations (of hundreds) of stored 3D models. We propose instead to use the input image as a guide to "mold" a single reference model to reach a reconstruction of the sought 3D shape. Our method assumes Lambertian reflectance and uses harmonic representations of lighting. It has been tested on images taken under controlled viewing conditions as well as on uncontrolled images downloaded from the Internet, demonstrating its accuracy and robustness under a variety of imaging conditions and overcoming significant differences in shape between the input and reference individuals including differences in facial expressions, gender, and race.     

基于片上系统的无线收发模块设计

为满足无线传感器网络、蓝牙技术与无限局域网(WLAN)等领域中无线收发系统低功耗、小型一体化、低成本和高可靠性的技术要求,提出了片上系统(SoC)的设计思路,采用在单芯片上设计无线收发系统,使其最小化和一体化。给出了单芯片无线电的基本结构及电路实现的混频器、低噪音放大器和功率放大器等部分的解决方案。     

Learning policies for single machine job dispatching

Reinforcement learning (RL) has received some attention in recent years from agent-based researchers because it deals with the problem of how an autonomous agent can learn to select proper actions for achieving its goals through interacting with its environment. Each time after an agent performs an action, the environment's response, as indicated by its new state, is used by the agent to reward or penalize its action. The agent's goal is to maximize the total amount of reward it receives over the long run. Although there have been several successful examples demonstrating the usefulness of RL, its application to manufacturing systems has not been fully explored. In this study, a single machine agent employs the Q-learning algorithm to develop a decision-making policy on selecting the appropriate dispatching rule from among three given dispatching rules. The system objective is to minimize mean tardiness. This paper presents a factorial experiment design for studying the settings used to apply Q-learning to the single machine dispatching rule selection problem. The factors considered in this study include two related to the agent's policy table design and three for developing its reward function. This study not only investigates the main effects of this Q-learning application but also provides recommendations for factor settings and useful guidelines for future applications of Q-learning to agent-based production scheduling.     

直拉硅单晶生长过程建模与控制研究综述

硅单晶是最重要的半导体材料,90%的半导体器件和集成电路芯片都制作在硅单晶上.随着集成电路技术的快速发展,对硅单晶的品质要求也不断提高.直拉法是生产硅单晶的主要方法,其科学原理与方法、生长技术与工艺、控制策略与手段一直是理论界和产业界高度关注和不断研究的热点.本文针对直拉法电子级硅单晶生长过程,以晶体生长基本原理为基础,从生长建模、变量检测、控制方法等方面进行了全面的阐述,特别针对当今大尺寸、高品质硅单晶生长的要求,总结了目前所取得的主要研究成果与面临的问题,并提出了相应的研究思路和方法.     

基于单神经元的永磁同步电机解耦控制

针对永磁同步电机(PMSM)磁场定向控制为代表的传统解耦策略难以实现高性能控制的问题,本文利用神经网络不依赖对象模型的特点以及出色的学习能力,提出了一种基于单神经元的永磁同步电机解耦控制策略.在传统磁场定向控制模型的基础上,构建了基于单神经元的永磁同步电机解耦控制系统,进行了仿真,并搭建以数字信号处理器为核心的电机控制实验平台上进行实验论证.结果表明,基于单神经元解耦的永磁同步电机控制系统具有快速响应能力,并且几乎达到无静差、无超调,实现了PMSM的高性能控制.     

基于单次反射的井下单基站DOA和TOA定位方法

针对井下巷道单基站定位系统中无线信号受多径效应、非视距传播影响导致定位误差较大的问题,提出了一种基于单次反射的到达方向(DOA)和到达时间(TOA)的联合估计定位方法。该方法利用视距路径和多条单次反射路径的TOA估计值构建以基站原点和单次反射点为焦点的双曲线,利用DOA估计值构建直线,从而建立含有连续位置信息的二元多次估计方程组,通过计算直线与双曲线的交点得到移动目标的精确位置。仿真结果表明,该方法较视距直接定位方法的定位精度有较大提高,且当单次反射路径为3条时即可达到较高的定位精度。     

单神经元自适应PID控制器的性能优化设计

研究了单神经元自适应PID摔制器性能优化问题,阐述了该摔制器的特点、控制律;给出了一种控制灵敏度的快速近似求取方法,实现了PID参数的在线自学习;使单神经元控制器具有可调参数少、易于整定、控制输出平稳、鲁棒件强的独特优点,适用于大滞后且要求平稳控制输出的工业过程。     

Lossless asymmetric single instruction multiple data codec

This report introduces a new lossless asymmetric single instruction multiple data codec designed for extremely efficient decompression of large satellite images. A throughput in excess of 3GB/s allows decompression to proceed in parallel with asynchronous transfers from fast block devices such as disk arrays. This is made possible by a simple and fast single instruction multiple data entropy coder that removes leading null bits. Our main contribution is a new approach for vectorized prediction and encoding. Unlike previous approaches that treat the entropy coder as a black box, we account for its properties in the design of the predictor. The resulting compressed stream is 1.2 to 1.5 times as large as JPEG‐2000, but can be decompressed 100 times as quickly – even faster than copying uncompressed data in memory. Applications include streaming decompression for out of core visualization. To the best of our knowledge, this is the first entirely vectorized algorithm for lossless compression. Copyright © 2011 John Wiley & Sons, Ltd.