搜索结果: 1-15 共查到“工学 Overlay”相关记录22条 . 查询时间(0.114 秒)
Error Propagation Modeling in GIS Overlay
Error Propagation Overlay Analysis Vector Data GIS Sliver
2015/12/3
A spatial error may refer to the difference between a measured value and the “true” value or the estimated uncertainty with respect to a given observation or set of observations which is the error con...
OBJECT FATE ANALYSIS–A VIRTUAL OVERLAY METHOD FOR THE CATEGORISATION OF OBJECT TRANSITION AND OBJECT-BASED ACCURACY ASSESSMENT
GIS interference object-based change detection object loyalty remote sensing spatial relations
2015/8/19
Land use often changes considerably due to shifts in political and societal systems. The border zone between Austria and Hungary (the former Iron Curtain zone) is an outstanding example for these soci...
Evaluation of Indexing Overlay, Fuzzy Logic and Genetic Algorithm Methods for Industrial estates Site Selection In Gis Environment
GIS Site Selection Model
2015/7/14
One of the main parameters which is helpful for industrial development in each country is land use mapping. With respect to land
use mapping and industrial development strategies, managers as decisio...
RECOGNITION OF SINGLE AND OVERLAY OF OBJECTS ON A CONVEYOR BELT
Recognition Flat object Binary image
2015/5/21
Proposed a method for detection of flat objects when they overlap condition. The method is based on two separate recognition
algorithms flat objects. The first algorithm is based on a binary image o...
DEVELOPMENT OF A NEW GEOSPATIAL DATA SHARING/OVERLAY SYSTEM FOR LAND ENVIRONMENTAL STUDIES – CERES GAIA –
Data sharing, Web-based Database Geospatial data Open system Land applications
2014/4/28
A new geospatial data sharing/overlay system, CEReS Gaia, has developed. The purpose of the system development is to promote
land surface environmental studies. The system has developed to meet the ...
Design of a Silicon Overlay Glass Waveguide Sensor
Refractive Index Sensor Slab Waveguide Patterned High Dielectric Overlay FDTD Integrated Optics
2013/1/30
A glass based slab waveguide, coated with a thin patterned high dielectric overlay, is configured into a refractive index sensor. The asymmetric nature of the waveguide configuration is exploited by k...
Experimental Demonstration of a Cost-Effective Broadcast Overlay for a Commercial WDM PON
Commercial WDM PON Cost-Effective Broadcast Experimental Demonstration
2015/5/18
We demonstrate a simple cost-effective broadcast overlay for WDM PON which uses a single directly modulated superluminescent diode to deliver an RF video or baseband gigabit-Ethernet service to all 32...
A WDM-PON Optical Multicast Overlay Scheme Using Inverse-RZ-Duobinary Signal
Fiber optics communicat ions Modulation Systems
2015/6/8
We propose and demonstrate optical multicast overlay on WDM-PON employing bandwidth efficient Inverse-RZ-duobinary signal. Multicast overlay control is realized by tuning the bias at the point-to-poin...
ANovel WDM-OFDM-PONArchitecture with Centralized Lightwave and PolSK-assisted Multicast Overlay
Networks Optical Communications
2015/6/4
We experimentally demonstrate a novel WDM-OFDM-PON architecture with centralized lightwave sources and PolSK multicast overlay. The 10Gb/s P2P signals, 2.5Gb/s multicast signals and 2.5Gb/s upstream s...
Influence of overlay layers on the abrasive wear
abrasive wear abrasive particle overlay materials functional surfaces abrasive cloth
2014/2/26
A problem of machine parts wear decrease and in this way of the economical effectiveness of rapid wearable parts interferes with majority of manufacturing processes. Service life and operating reliabi...
A Novel Multicast Overlay Scheme for WDM Passive Optical Networks using Optical Carrier Suppression Technique
WDM Passive Optical Networks Optical Carrier Suppression Technique
2015/7/20
A WDM-PON with simultaneous delivery of 10-Gb/s downstream unicast and upstream data as well as 10-Gb/s multicast data is proposed. Downstream multicast data is superimposed onto the subcarrier genera...
基于物理网络拓扑的应用层Overlay构造方法
P2P 应用层 拓扑探测
2009/7/2
P2P网络Overlay和底层物理网络拓扑结构不匹配问题，造成大量无谓的通信开销，对网络的搜索和传输效率影响很大。在分析该问题现有几种解决方法的基础上，在安全、可控、可管理的智能节点弹性重叠网络传输模型框架下，提出基于应用层的物理网络拓扑探测技术，促使P2P应用层Overlay和底层物理网络拓扑趋于“吻合”，使得主要消息量在本地或局部范围内流动，大大减轻了底层承载网络传输压力，提高了P2P系统效率...
求解Overlay Grid拓扑问题的模拟退火算法
Overlay network 拓扑设计 模拟退火
2009/7/1
针对网格开放性和扩展性的需求，提出了基于Overlay Network网格体系结构的理论模型。形式化了其核心问题：混合Overlay Network拓扑设计问题，证明了该问题在满足一定条件下具有线性复杂度，提出了在一般条件下求解该问题的模拟退火算法。最后，通过仿真实验分析评价了所提出算法对Overlay Network拓扑代价的影响，结果表明这个模拟退火算法是可行的。
Overlay服务网络上的服务组合模型
Overlay服务网络 服务次序 组播
2009/5/8
分析了在Overlay服务网络上进行服务组合的必要性，指出了在进行组合时服务次序约束所带来的特定困难，进而给出了服务次序约束的形式化定义以及带OoS组播路由问题的数学优化模型。借助于罚函数的方法，将服务次序约束条件吸收到目标函数中，从而可以用求解一般组播优化模型的算法来求解新模型。
Overlay组播网络中的服务组合算法
Overlay组播网络 Overlay组播网络 服务组合
2009/5/8
在Overlay组播路由中既需要考虑确保数据流能获得它所需要的服务，还需要确保不同的服务按照合适的次序到达，这是一个新的值得研究的问题，称之为服务组合问题。该文研究了Overlay组播网络中的服务组合问题，建立了相应的优化模型，设计了求解该模型的启发式算法。大量的仿真表明了该模型和算法的有效性。