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The living space in the daily lives of the people most closely connected with the type of space in this particular place in which to study and reflect the cultural connotations of the concept is to have, from the construction of cultural, decorative cultural, aesthetic, psychological, and other aspects of home environment to explore Chinese culture and history of the concept of evolution, and the delicate process of the evolution of China s domestic design cultural trails found in the current theoretical re...
中文摘要:本文针对居住空间这一与人们日常生活关系最为密切的空间类型,在这一特定场所里研究其中体现出的文化内涵和人们对其产生的观念,从建筑文化、装饰文化、美学、心理学等方面探讨中国历代家居环境中文化与观念的演变,并在微妙的演变过程中找到中国家居设计文化之路径,在现在的理论研究与设计实践之间起到良好的媒介作用,探索出符合当今社会发展和人们需求的设计方法。
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The characters of linear complexity profile of periodic sequences are investigat- ed. The relation between the continued fraction expansion of rational function and its 1- inear complexity profile is established. The expression of linear complexity profite is gi-~~en and a condition estimating the randomness of a sequence is presented. By the linear complexity profile, the bound of sphere complexity is proposed. A formula to record the number of sequences with given linear complexity profile is presented.
研究了周期序列的线性复杂度曲线特性,在周期序列生成函数的连分式展开式与线性复杂度曲线之间建立联系,给出了周期序列线性复杂度曲线的表达式;给出了判断序列随机性好坏的一个条件;利用线性复杂度曲线特性给出周期序列球体复杂度的一个估计;给出了具有给定线性复杂度曲线的序列个数的一个计数公式。
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ECC system makes use of the finite group of elliptic curve on the finite field instead of finite cyclic group used in the discrete logarithm problem. The theory of ECC is being studied a lot and it is the focus of the cryptography and the industrial estate, especially the technique of the implementation of ECC.In this thesis, the meaning of the information technology is discussed firstly, then we analyze the classical cryptography algoritham. After that, the mathematics base of elliptic curve cryptosytems are introduced, especially the theory of the finite field. As for some algorithms, we also give out the program of reliazation.
随后,介绍了研究椭圆曲线密码系统所需要的数学理论基础,特别是有限域中的椭圆曲线理论,并对相关的方法给出相应的实例及其程序实现;论文第三章讨论给出了椭圆曲线密码体制的研究现状,综述了椭圆曲线与现有一些密码算法的结合,介绍了椭圆曲线的离散对数问题以及椭圆曲线面临的攻击,详细描述了椭圆曲线密码系统的实现细节及各个部分的实验数据。
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This paper carries out study on corporate governance based on system theory, advances concept of corporate governance, analyzes and abstracts system core of corporate governance from the point of mechanism by means of study on environment energy-rank principle, running mechanism and model of corporate governance. This paper analyzes mechanism of stimulation and restraint by using game theory, verifies effect of stock right structure on efficiency of corporate governance in view of connection between capital and corporate governance, gives method of resolving optimum stock right limit of collection and deconcentration and adventure share model of blending capital, and discusses problem of entrance of stakeholders to corporate governance etc.
本论文以系统理论为基础对公司治理结构进行了研究,提出了公司治理结构系统的概念,分析提炼出了公司治理结构系统核,并通过对公司治理结构系统环境、系统能级原理和系统运行机制与模式的研究,从机制的角度分析了公司治理结构系统运行模式;运用博弈论对公司治理过程中的激励约束机制进行了分析;针对资本结构与公司治理结构的关系,运用模型验证了股权结构对公司治理效率的影响,给出了求解最佳股权集散度的方法和融资风险分担模型;探讨了利益相关者介入公司治理结构的问题等等。
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Using finite difference time domain method, the electromagnetic field distribution of THz wave is simulated in a THz 2D PC splitter and by plane wave expansion method the dispersion relation and defect modes are achieved in a THz rotated PC waveguide.5. A woodpile three-dimensional (3D) PC with face-centered-tetragonal symmetry is one of the most popular 3D PCs because of its favorable band gap characteristics. Based on the woodpile fct lattice structure, we propose a novel woodpile THz lattice structure with comparatively decreased symmetry, better band gap properties and easy fabrication by varying some structure parameters.
计算结果为利用非线性光学差频方法产生THz辐射源的实验研究提供了深入和全面的理论基础;四、利用平面波展开法,通过改变二维THz光子晶体的结构参数,对二维THz光子晶体完全带隙进行了优化,分析出两种适合工作在THz波段的二维光子晶体结构;采用时域有限差分法和平面波展开法,计算出THz波在二维光子晶体"T"型分束波导,45度旋转波导中传输的电磁场分布以及缺陷模;五、Woodpile面心立方四角结构是三维光子晶体中被研究最广泛的结构之一。
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It can be used in SDTV or HDTV stream multiplex in real time. Furthermore the technology of CBR multi-program multiplexing is researched. It presents inserting the PSI information and designwith the input and output buffer. It proposes the methods of using reconstructed the null packet to recover the PCR information when demultiplex and by utilizing modification PCR to remove the dithering of PCR when multi-program multiplex processing.
研究了基于CBR方式的多节目复用技术,给出了多节目复用PSI信息的维护和输入输出Buffer的设计,提出了采用空包重建的方式将多节目TS流解复用为单一的携有原有PCR信息的TS流以及利用PCR修正实现多节目复用PCR抖动的校正,并对帧平移法统计复用进行了研究,给出了仿真结果及性能。
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Under the cases of the linear interconnected systems with all its subsystems are one dimension, a theorem to judge the properties of single loop interactions has been given; the study also indicated that the properties of interactions cann't independent of the properties of subsystems in the multi-loop interaction conditions, and a all field root locus method has been proposed to decide the properties of interactions; a interaction stabilizable theorem has been given, and the efficacy of interactions with respect to the interconnected systems has been configured, Some primary results are reported which are induced by using a method of computer aided test to study block interactions, the stationary feedback efficacy of closed loop interactions have been discussed and a stability guess has been proposed.
本文提出互连系统的合作稳定性概念及其原理,给出了互连系统的本原稳定度、稳定中心、回路关连的级数以及关连的性质等基本定义;并在此基础上对线性互连系统进行关连分析,给出了一系列涉及到关连与互连系统稳定性关系的命题、引理、定理及其证明;其中,在子系统都是一维的线性定常互连系统情况,得出了单回路关连性质判断的定理;并指出在多回路关连条件下,关连的性质不能独立于子系统的性质,以及用全域根轨迹法判断关连性质的方法;给出了关连可稳定理,并对关连对互连系统的影响作用进行了分析。本文还用机辅试验的方法研究块阵关连并给出一些初步结果,本中还探讨了回路关连的静态反馈作用并提出一个判稳猜想。
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The main research work of this paper are focused on following areas:(1) Based on review of the theory and methods on measurements of particle fields, a new idea for obtaining particle size and velocity distribution within a spray through imaging the particle field with a laser light sheet was put forward;(2) A DPIV (Digital Particle Image Velocimetry) system, is fit for velocity measurements of low speed flows, was developed and expended to particle size distribution measurement;(3) An arithmetic for particle velocity field reconstruction was developed, and the velocity distribution of water mist was also obtained;(4) A software system for particle analysis, which based on image geometry emend, de-noise and image partition was developed, the parameters such as particle size distribution, mean diameter, number of particles, minimum and maximum diameter can be got with this system;(5) A water mist system was developed and its characteristics, such as droplet velocity, size distribution, number of droplets and spray cone angle under different conditions were obtained from experiments with PIVS;(6) The measurement results of water mist characteristics with PIVS were compared and analyzed with the simply simulated results, and in addition, in order to verify the accuracy of PIVS, some experiments were conducted with the standard particles, such as glass-ball with known mean diameter of 50μm and 115μm, metallic coated tracing particle with mean diameter of 12μm;(7) Some experimental studies on interaction of water mist with liquid pool fires were conducted.
本论文的主要工作包括以下几个方面:(1)在对粒子场测量的相关理论和具体方法进行综述分析的基础上,提出了通过采用激光片光对粒子场进行成像以获取其粒径和速度等参数分布的新思路;(2)研制了适宜于低速流动速度场测量的DPIV(Digital Particle Image Velocimetry)系统,并使其实现了对粒子场粒径分布的测量功能;(3)研制了基于粒子运动轨迹的速度场重建算法,获取了细水雾雾场的速度分布;(4)研制了基于几何校正、去噪、图象分割等图象处理方法的"粒度分析软件系统",该系统既可分析给出粒子场的粒径分布直方图和平均粒径,还可给出粒子的数目以及最大、最小粒径等信息;(5)建立了一细水雾发生系统,并应用上述方法对不同压力条件下细水雾系统的雾场特性(如速度分布、雾滴粒径分布、雾滴的数目、喷雾张角以及雾化长度等)进行了实验测量研究;(6)对细水雾特性参数的PIVS测量结果与计算机简单模拟计算结果进行了定性比较分析,并利用平均粒径为50μm和115μm的玻璃球以及12μm的标准示踪粒子对PIVS系统的粒径和速度测量结果进行了实验验证,同时对其局限性进行了分析讨论;(7)对不同工况条件下细水雾与油池火相互作用的过程进行了模拟实验研究。
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In order to investigate the frictional temperature of brake rotor,the thermal transmission model of brake disc during braking was theoretically derived,and the equation of heat conduction on the basis of change of friction heat flow intensity and experimental research to real brake plate was obtained.
为了研究摩擦过程中制动盘摩擦表面温升的情况,在1∶1惯性制动实验研究的基础上,基于制动过程中摩擦热流强度的变化,建立了制动时制动盘传热模型,推导出了制动盘摩擦表面温度的计算公式,并用此公式算出的结果与实测温度进行了对比。
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Based on questionnaires and regular physical examination, 130 people who exposed to the risk of IGR got their medical examination and Oral Glucose Tolerance Test with everyone's consent. 90 IGR subjects were divided randomly into the experimental group (70 people) and the control group (20 people). The individual Functional Capacity was got through limiting symptoms exercise test on the cycle ergometer.
在自愿报名的基础上,通过调查问卷和常规体检找出具有IGR风险者130人,经医学检查和口服糖耐量试验,确定其中90位为研究对象,随机分为实验组(70人)和对照组(20人),通过功率自行车进行症状限制性运动负荷试验,计算出每位研究对象心脏功能能力F.C。
- 推荐网络例句
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The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
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This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
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The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力