查询词典 dissertation

Author of this dissertation has read lots of documents in the period of writing this dissertation. Achievements of the formers enlightened the author greatly.

作者在论文工作期间查阅了国内外大量的文献资料，前人的研究成果为作者开启了不同视角的窗口，大大丰富了作者的思想。

This dissertation deeply discusses the meaning of modern logistics by tracing back the evolvement and development of modern logistics and analyzing modern logistics inscape. Furthermore, this dissertation analyzes the organization model of modern logistics, explains the relations between modern logistics management and supply chain management, and discusses many aspects which is related to modern logistics and information technology.

本文通过对现代物流概念演变与发展的追溯和对现代物流构成要素的分析探讨了现代物流的内涵和定义，并在此基础上界定了现代物流管理的内容，分析了现代物流管理的组织类型，理清了现代物流管理与供应链管理的关系，讨论了现代物流与信息技术的相关内容。

Because of above, I decided to write the dissertation with the heart of logistics insurance, the main point for the dissertation is that: no matter who dont know it will get it, people who engage insurance will know how to act in logistics insurance and how to solve problem, management level of insurance will know how to improve it and make it suitable for development of logistics, insurants read it will know how to choose a employable policy company.

基于上述情况，本文以物流保险为核心，写此论文的主导思想是：凡是没有做过保险的人看过此文，明白什么是物流保险；从事保险工作的人看过此文，明白如何做物流保险，怎么解决实务中的难题；保险管理者看过此文，明白如何完善现有的物流保险，适应当今物流业的发展；被保险人看过此文，明白如何选择一个好的保险人。

In this dissertation, construction methods of long span arch bridges are reviewed firstly, and the lifting process of Shengmi Bridge's arch ribs is illuminated in detail. In succession, the status of study of wind-resistance in long span bridge construction is presented, and then the necessity of work of this dissertation is brought forward.

本文首先回顾了大跨度拱桥的施工方法，详细说明了生米大桥主拱肋吊装的施工过程，接着介绍了目前大跨度桥梁施工期间抗风研究的现状，提出了进行本文工作的必要性。

The design of this dissertation begins with the definition of audience data structure based on considering the embedded developing environment features. The dissertation uses the STi5518 chip by ST Microtones to collect audience data, and then the SI analysis and OSD interactive function are used to gain the user watching information. Then collect audience data in EEPROM of STB, use STB and serial to transmit the data, then use the RS232 serial port and RJ-45 converter to realize the data Return of Serial to Ethernet, in the process of data Return it completes the conversion of data format.

本设计首先在嵌入式环境的前提下，在用户数据采集和回传工作中采用了ST Microtones公司提供的STi5518芯片作为机顶盒主芯片，根据收视率调查需要制定出用户的收视信息数据结构，并结合数字电视业务信息分析以及机顶盒的屏幕显示互动功能，对用户的收视情况进行记录；然后把记录的数据存储到机顶盒的EEPROM中，并利用机顶盒串口输出数据，再利用RS232串口与RJ-45转换器实现串口转以太网的数据回传，在回传过程中完成了数据格式的转换。

Firstly, this dissertation explores the concepts of the innovative behaviors based on slack resources. From the viewpoint of the existing forms and available discretion of slack resources in enterprises, this dissertation divides the slack resources into physical slack, human resource slack, and financial slack, and brings forward the inverted U-shaped relationship model between physical slack and technological innovation, the inverted N-shaped relationship model between human resource slack and technological innovation, the N-shaped relationship model between financial slack and technological innovation.

基于此，本文基于资源冗余观、创新观、激励理论，深入研究了企业员工的基于冗余资源的技术创新的激励问题，具体来讲，全文在介绍研究背景、目的、意义、内容及国内外相关研究文献综述的基础上，从四个侧面研究了基于企业冗余资源的技术创新的激励机理和激励机制：首先，研究了基于企业冗余资源的技术创新行为的相关理论。

In this dissertation, the research and design of DCO is conducted and the principal contributions are as follows.In this dissertation, the non-ideal characteristics of traditional MOS varactors used in the DCO are analyzed, and an inversion-mode digitally controlled MOS varactor is proposed to alleviate the non-ideal characteristics. The phase noise of the DCO using inversion-mode varactors can be up to 9.5 dB lower than that of the DCO using traditional MOS varactors.

本论文针对应用于CMOS无线通信收发机的新型全数控LC振荡器，完成了以下工作：分析了DCO所使用的普通数控MOS变容管中所存在的非理想特性，提出了使用反型数控MOS变容管改善这一非理想特性的方法，该方法可以将DCO中的相位噪声最多降低9.5dB。

First, the stations'timing process and the slot aligning are discussed. Second, the dissertation propose a resource request random access method based on feedback. The performances of this method are analyzed. Third, proceed from the considerations of the MAC protocol for the HFC system, a QOS-oriental scheduling algorithm for the MAC protocol based on dynamic TDMA is proposed. Simulation results show that the performance of this algorithm is better than that of the first come first service. Forth, two contention resolution algorithms ----p-persistent CRA and tree CRA, which are usually adopted in the HFC system, are summarized. The delay and characteristic are compared. At last, the dissertation introduces the function implementation of the MAC layer based on COM21 UPSTREAMS.

首先，讨论了基站的同步进程和时隙同步的实现；然后，本文提出了一种带反馈模块的资源申请信号随机接入方法，并对其进行性能分析；然后，从HFC系统的MAC协议出发，提出了一种用于基于动态TDMA技术的MAC协议的业务安排算法，计算机仿真结果表明其性能优于先到先服务法的性能；然后概述了常用于HFC系统的两种冲突解决算法——p-坚持冲突解决算法和树型冲突解决算法，比较两者的时延性能与特征；最后，介绍了基于COM21 UPSTREAMS协议的MAC层功能实现，给出了硬件框图和照片。

The contents in the dissertation originate from the controlling and displaying system of a sort of minehunting sonars. The sonar datum acquisition and real-time processing and image post-processing/recognition are included in the dissertation.

本文以某型号猎雷声呐的显控系统为背景，内容涉及声呐图像采集、实时处理以及后置图像处理与识别。

According to the function of distributed emulator, optical information processing and image multi-object tracking system, the following three aspects were emphasized in this dissertation. Firstly, a vast virtual terrain, ground radar models and canyons were created for the distributed emulator with modeling software Creator. The radars were driven to scan during emulating and the real time terrain code was sent to Radar module. Secondly, an optics channel simulating the optics camera of a virtual aircraft was implemented with simulating software Vega. The 2-D information got from the channel was translated and sent to multi-sensor information fusion system as an optics information source. Thirdly, the dissertation studied some motion estimation methods and analyzed the factors which influence the speed and the precision of the block matching algorithms. Then an improved block matching method was proposed for image multi-object tracking system and applied in the system combined with frame difference method.

论文根据多传感信息融合实验系统中的分布式飞行仿真系统、光学信号处理器和图像多目标跟踪系统三个子系统的功能要求，具体完成了以下三方面的工作：首先利用建模软件Creator创建分布式飞行仿真系统中的大面积地形、场景中的地面雷达模型和峡谷地形，并在仿真过程中实时驱动雷达模型的扫描，同时为后续雷达仿真模块提供实时地形编码；其次利用仿真软件Vega，在分布式仿真系统中为光学信号处理器设计实现了光学通道，模拟飞行器的光学摄像机的功能，并且对由此通道获得的目标二维光学信息进行转化处理，作为光学信息源发送给后续的多传感信息融合器；最后针对图像多目标跟踪系统，在研究图像分割运动估计算法的基础上，通过分析影响块匹配算法速度和精度的因素，改进了块匹配运动估计算法，结合差分法可应用到目标跟踪系统中。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。