搜索资源列表
parks_untetheringbroadband0407
- WiMAX,802.20等广域宽带无线网络的无线技术、网络、市场模型分析-WiMAX, 802.20, and other broadband wireless wide area network wireless technology, network and market analysis model
base_on_IEEE_802154_and_Zigbee_to_make_a_wpan
- 近年来,移动通信技术发展迅速,新技术层出不穷, 宽带无线接入技术由于具有网络设计灵活、安装迅速方 便、建设速度快、建设造价低廉等突出的优点,在高速因 特网接入、信息家电联网、移动办公、军事、救灾、空间 探险等领域具有非常广阔的应用空间。根据目前的技术 标准和将来的发展,主流的宽带接入技术可以分为:固定 宽带无线接入技术(FBWA)、无线局域网(WLAN)和无 线个域网(WPAN)。其中无线个域网的发展使得人们摆 脱电缆束缚,在近距离内实现各种设备间的通信的梦想
CameraCalibration
- This paper introduces an affine invariant of trapezia, and the explicit constraint equation between the intrinsic matrix of a camera and the similarity invariants of a trapezium are established using the affine invariant. By this constraint, the inne
Secure Web Forms with Client-Side Signatures
- The World Wide Web is evolving from a platform for infor- mation access into a platform for interactive services. The interaction of the services is provided by forms. Some of these services, such as bank- ing and e-commerce, require secure, non-repu
SPH-for-dambreak
- 光滑粒子方法是一 种新近发展 的可用于流动模拟的无网格数值方法 ,理论上能够适应任意变形 ,在模拟流体流动的剧烈变形时有显著的优势 但是流动的初始、边界条件和一些计算数的选取都会对计算结果产生较大 的影响 作者基于 方法 的基 本原理 , 全面考虑了各种定解条件的设置 , 独立发展 了一 套用于模拟不可压 自由表面流动的 程序 , 并应用 于溃坝流动的模拟 之 中 模拟结果 与 和 经典 的结果非常吻合 ,验证 了方法的准确性,为 方法的一 步发展和广泛应用奠定 了一定的基础
3.6-W-Travel-Adapter-based-on-VIPer12A
- The travel adaptor design presented here has been made with the aim of minimizing overall cost for a secondary voltage and current regulated adapter topology widely used in cellular phone adapters. Thanks to the VIPer12A low power consumption, it is
Ultra-Wideband 通信系统
- 为了提高通信系统的信息传输速率,人们提出了UWB通信系统,即Ultra-Wideband 通信系统。在UWB系统中,信号的带宽一般都在GHz的量级,这么宽的带宽造成了UWB系统和现有的通信系统频谱的重叠。为了降低对现有通信系统的影响,UWB信号的设计需要满足一定的频谱模板。如果一个信号的频谱基本满足频谱模板的规定(即在绝大部分频段内功率小于规定区间的上限),我们可以认定其为一个UWB信号。-In order to improve communication systems, informatio
HDD_worldwide
- MARKET ANALYSIS World wide Hard Disk Drive 2008- 2012 Forecast and Analysis : Shrugging Off Storage Technology Challengers
portable_player_US
- IDC research. MARKET ANALYSIS World wide and U.S. Portable Media Player 2008- 2012 Forecast and Analysis
0514002
- 排样问题的应用范围非常广泛, 本文从其应用领域、整体描述、名称、分类、求解难度 等方面做了分析综述。 -Layout of application issues a very wide range of applications in this article from the overall descr iption, name, classification, and so on to solve the difficulty of synthesis were analyzed.
The_Status_Quo_of_Machine_Learning_of_Artificial_I
- 机器学习是人工智能的一个子领域,是人工智能中非常活跃且范围甚广的主要核心研究领域之一,也是现代智能系统的关键环节和瓶颈。机器学习吸取了人工智能、概率统计、计算复杂性理论、控制论、信息论、哲学、生理学、神经生物学等学科的成果,主要关注于开发一些让计算机可以自动学习的技术,并通过经验提高系统自身的性能。本文介绍了机器学习的概念、基本结构和发展,以及各种机器学习方法,包括机械学习、归纳学习、类比学习、解释学习、基于神经网络的学习以及知识发现等,并简单叙述了机器学习的相关算法,包括决策树算法、随机森林算
1830
- 百万像素相机越来越应用广泛,本人利用U-1830相机开发很多项目,现在将U-1830上传给大家,供大家参考。-More and more megapixels camera wide range of applications, U-1830 I use a lot of camera development projects, U-1830 will now upload to you, for your reference.
FaceRccognitionAlgorithmsBasedonImagcRcconstructio
- 人脸所反映的视觉信息在人与人的交流中有着重要的作用和意义,计算 技术就是利用计算机分析人脸图像,从中提取有效的识别信息,用来辨认身 术,由于其广泛的应用领域,在近四十年里得到了广泛的关注和研究。 -Face reflected in the exchange of visual information in people plays an important role and significance of computing technology is the use of com
CMOSTrans
- 3 to 5 GHz CMOS Transceiver for DS Ultra Wide Band Systems
Frequency
- 频偏同步,可以实现大频偏下的频偏估计,精度高,范围广!-Frequency offset synchronization can be achieved under large frequency offset offset estimation, high accuracy and wide!
chinamobile-V3.0
- 中国移动ADC 3.0总体业务规范,中国移动通信有限公司和各省公司基于ADC为集团客户所提供全网或者省级的行业应用业务的基本概念业务特征、基本流程、业务功能、号码规则以及计费原则等相关内容-China Mobile ADC 3.0 overall business norms, China Mobile Communications Co. Ltd. and the provincial company for the group based on ADC provides our custom
DOS
- DOS的命令全解,简单全面,很有针对性,大家看下,绝对不错的-DOS command-wide solution, simple and comprehensive, very specific, we see next, the absolute good
3gwangluoguihuabeiyou
- 详细介绍了3G网络的发展前景和应用程度,是一本很全的知识宝典,-Details of the 3G network development prospects and application level, is a very wide knowledge of canon,
slides_derdouri
- Maude is a reflective language based on equational rewrite principles, useful for modeling and solving a wide range of computational problems.
Ultra-wide-bandwidth-TH
- 一篇关于超宽带扩跳用于无线多址通信的文章。-Ultra-wide bandwidth time-hopping spread-spectrum impulse radio for wireless multiple-access communications