基于...

Based on survey of existing methods, in this dissertation: aimed to the reliability of stereo image matching in digital photogrammetric, a new matching strategy utilized local continuity constraints encoded by triangulation of the well-defined points is proposed; concerned with the inherent efficient, accuracy and size constraint problems of existing topographic structure extraction approach, an efficient, accurate and large scale data adapted approach based on the combination of vector and raster processes are proposed.

在对国内外这方面工作进行总结分析的基础上，针对数字摄影测量立体像对影像匹配的可靠性问题，首次提出了基于良好匹配点三角形约束下影像匹配传播方法；为了解决以往基于邻域操作的地形结构线提取算法效率低下、结果准确性差和处理数据规模限制等问题，提出了适用于大规模规则格网DEM数据的基于矢量、栅格操作相结合的地形结构线快速提取算法。

By analyzing several currently-used visual displaying schemes for cranes simulation training, a display concept based on enhanced virtuality is proposed and some key issues in it are discussed. Manipulation based human-computer interaction technology is studied and two typical virtual controller are realized by associating the time or the location parameter of modeling with its movement parameters. A implement method of physical controller is presented based on virtual keyboard mapping technology and a compact and flexible control box prototype is obtained. Using it, users can operate the virtual crane conveniently.

分析了目前起重机模拟培训常用的几种视景显示方案，提出了一种基于增强现实的显示概念，并对其中若干问题的实现方法进行了探讨；研究了基于操纵的人机交互技术，通过时间或造型位置与起重机运动参数之间建立的联系，实现了两种典型的虚拟控制器；提出了一种基于虚拟键盘映射技术的物理控制器解决方案，设计了一个小巧、灵活的控制盒原型，可以方便地操作虚拟起重机并实现有关运动。

To capture the mantic integrity and the intension of the user query, this paper analyzes the characteristics of Chinese integrated word and presents three methods for its automatic detection by combining the mutual information, the prefix and suffix information of integrity word and the confidence for the integrated word. We further design and realize three prototype systems for Chinese integrated word identification based on the proposed overall confidence, partial-confidence and weighted joint confidence methods respectively.

针对在信息检索中完整词整体表达更有意义、更能体现用户查询目的的问题，结合完整词的成词特点，将互信息和完整词前后缀的计算，与组成完整词的可信度相关联，提出基于可信度的三种中文完整词自动识别方法，分别构成基于全信度、偏信度，以及前两者加权平均的混信度的完整词识别方法，设计及实现了基于可信度的三种完整词自动识别中文分词原型系统。

The article takes mathematization as the characteristic of neoteric science by starting from the background of 17th century's philosophy of the nature and reviewing three aspects.

本文从考察十七世纪数学的自然哲学背景出发，从基于毕达哥拉斯传统的自然图景的数量化和基于基督教传统的宇宙图景的机械化，以及基于欧几里德传统的物理学科体系的演绎化等三个方面更加具体地考察了近代科学的数学化特征。

Based on fouling monitoring of boiler,this papers studied on method based on minimal cleanliness factor to determine sootblowing opportunity, method based on best frequency to calculate critical cleanliness,method base on the principle of maximal heat income caused by sootblowing to determine sootblowing period, method based on the principle of safety first to determine sootblowing schedule. All the above methods together can determine the correct schedule to sootblowing system.

基于锅炉各受热面的实时监测模型，本文在保证设备安全运行的前提下，从经济性出发，提出了基于临界清洁因子确定最佳吹灰时机和根据吹灰收益最大原则确定最佳吹灰周期，并给出基于吹灰最佳频率确定临界清洁因子的方法，给出制定合理的吹灰方案的步骤。

It was composed of three main modules, they were word segmentation module based on the maximum word-length matching algorithm, part of speech tagging module based on statistical method of training of relative frequency, and the syntax parsing module based on the improved chart analysis algorithm.

该系统实现了基于最大词长匹配算法的分词模块、基于统计方法的词性标注模块和基于改进的线图分析算法的句法分析模块。

The present situation of the metallogenetic prognosis based on the Geographic Information System is described,and the basic techniques are introduced.

介绍了基于GIS的矿产资源预测现状，归纳总结了基于GIS的矿产资源预测的基本方法，在已有研究成果基础上，提出了基于GIS的矿产资源预测需要解决的关键问题，包括多源矿产地质数据的高效组织和管理，矿产资源预测中的时空数据模型，GIS矿产资源预测系统与专家知识、专家系统的结合，以及数字化的质量及效率问题等。

As the mine accidents happen frequently in recent years, the detecting technology for microseism becomes much more important. However, there is no advanced microseism detecting system at home. It's pretty important for microseisms denoising and Reversion. A wavelet denoising method is presented here to process microseism signal, and the microseism record can get high signal to noise ratio. Meanwhile based on the software of LabVIEW, s design of real-time detecting system for microseism based on virtual instrument is presented. The advantage of the virtual instrument was sufficiently exerted to achieve the real-time detecting and analyzing of the microseism.

以往基于DSP或其他单片机的微震系统，其资源的有限性很难达到理想的采集效果，同时也难以完成先进算法的实现，而对微震信号的去噪与还原在监测系统中起着很重要的作用；在深入分析小波变换的信号去噪方法基础上，对微震信号进行了处理，得到高信噪比的微震记录，实现了对噪声的有效抑止；同时在LabVIEW平台软件设计的基础上，实现了一种基于虚拟仪器微震实时检测的设计方案，充分发挥了虚拟仪器的优势，结果表明基于LabVIEW的微震系统能很好地完成实时监测及其分析。

This kind of learning modality can be traced to the medical education in America in the middle of 1950s.

接着，论述了在基于问题的学习中运用信息技术的必要性，并介绍了基于问题的学习中所运用到的具体信息技术种类，由此，把信息技术与基于问题学习整合起来。

Firstly the theoretical models of reflective optical fiber bundle sensors were put forward for their general applicability, which can provide guidance for the design and implement of such sensors. Based on such theoretical models, an embedded optical fiber bundle sensor is implemented for displacement measurement in fine machining and precision controlling. Secondly the design and implement of an embedded network interface was presented, which can connect the sensors into Fieldbus network, IP network, wireless communication network and so on. Lastly the sensor structural design based on embedded microprocessor and real-time operation system, the software structural design based on multitasking and monocycle were presented, which can increase the real-time and reliability features of signal processing and transmission.

结合精细加工和精密控制中的位移测量，提出了同轴随机型反射式光纤束位移传感器的建模分析理论和设计实现，该传感器模型的建立及应用有效地避免了传统"试制-修正"法的盲目性，为反射式光纤束传感器的设计和制造提供了理论指导，为新型传感器的研究和应用开辟了道路；提出了基于嵌入式系统的网络接口模块的设计和实现，使传感器能够无缝接入现场总线、IP网以及无线通讯网等网络，从而拓展了传感器的应用领域；提出了基于嵌入式微处理器和实时多任务操作系统的传感器结构设计以及基于多任务单循环的软件结构设计，提高了传感信息处理和传输的实时性和可靠性。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。