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The study has focused on: 1 The research background and the current state of the power measurement were analyzed systematically, and then wavelet-based power measurement algorithm was certified feasible for astable signals; 2 We developed a new method of RMS and power measurement based on Dmeyer wavelet. After that three other wavelet measurement approaches were compared with Dmeyer wavelet-based measurement approach. Then the impact on measurement errors of amplitude frequency property and energy leakage of wavelet filter banks were deeply researched, and some measures were proposed to reduce it; 3 We developed a new strategy of power measurement algorithm based on lifting wavelet, which had calculation advantage compared with the first wavelet, so that it was more suitable for the realization of hardware; 4 The running system of wavelet-based power measurement algorithm based on DSP was proposed, and then it was realized on ICETEK-VC5416-A EVM board; 5 Existing problems and the further research direction of wavelet-based power sub-band measurement algorithm was discussed.
本文对基于小波变换的功率测量算法展开深入的分析研究,主要内容有:1)系统地分析了功率分解测量的研究背景、国内外的研究现状,并从能量守恒的角度验证了小波功率分频带测量算法在非平稳信号条件下的可行性;2)首次提出了Dmeyer小波变换有效值与功率的测量方法,进而通过对该方法与3种已经提出的小波测量方法的对比分析,深入研究了小波滤波器组的幅频特性和能量泄漏特性对测量误差的影响,并针对电网谐波的特点提出了减小影响的相关措施;3)首次提出了二代小波功率测量算法,对比一代小波功率分频带测量算法,它大大减少了算法实现的运算量及内存的需求量,从而更适合于硬件的实时实现;4)提出了小波功率分频带测量算法的DSP实现方案,并在ICETEK-VC5416-A EVM板上进行了实现;5)探讨了小波功率分频带测量算法目前仍存在的问题,并提出了进一步的研究方向。
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Based on the analysis of the current state of research on data deduplication technologies, this paper makes several conclusions as follows: a How to mine data characteristic information in data deduplication has not been completely solved, and how to use data characteristic information to effectively eliminate duplicate data also needs further study; b From the perspective of storage system design, it still needs further study how to introduce proper mechanisms to overcome the reliability limitations of data deduplication techniques and reduce the additional system overheads caused by data deduplication techniques.
通过对重复数据删除技术当前研究现状的分析,得出如下结论:a 重复数据删除中的数据特性挖掘问题还未得到完全解决,如何利用数据特征信息有效地消除重复数据还需要更深入的研究;b 从存储系统设计的角度,如何引入恰当的机制打破重复数据删除技术的可靠性局限并减少重复数据删除技术带来的额外系统开销也是一个需要深入研究的方面。
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Guan Shi Ming point of penetration the main body of a book for studying work is in progress to Mrs. tube poetic prose thorough understand and explain, deep spirit endoplasm of the poem heart ; At the same time,Take the entire tube family culture as the research object, Omni-directionally makes every effort the multi- angles to study theWujin tube family culture; For the thorough research culture prominent family, the Qing Dynasty culture and the prose creation provides a vivid document.
本文以管世铭为研究切入点,对管氏诗文作品及唐诗学成就进行深入解读,发掘出管氏文学作品之诗心、文心及背后所蕴涵之深邃精神内质;同时以整个管氏家族文化为研究对象,详细考证其家族中重要成员文学及学术成就,力求多角度全方位研究武进管氏家族文化,为深入研究文化望族、清代文化和诗文创作提供一个生动的个案。
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On the basis of summarizing scientific goals of lunar exploration and analyzing distribution characteristics of landing sites, the authors chose three craters of Copernicus, Kepler, and Aristarchus in KREEP rock distribution area as candidate landing sites.
克里普岩对于研究月球的起源和演化有重要意义,但由于该岩石被玄武岩所覆盖,难以利用轨道探测器开展全面深入的研究。撞击坑是研究月表以下物质成分的窗口,在克里普岩区选择条件合适的撞击坑开展软着陆探测有助于对克里普岩的深入研究。
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The interpolate algorithms of three-order NURBS curve and double three-orders NURBS surface are presented. The expressions of partial derivative and normal curvature of NURBS surface are derived by the theory of differential geometry. The geometric characteristics of different curvature area of the free-form surfaces are analyzed in detail. All these work lays a theoretical foundation for constructing the cutter location calculating model of free-form surfaces NC machining. 2 On the basis of analyzing the methods of cutter path generation, the standard of evaluating the various methods of cutter path generation is presented. The method of generating cutter path with constant scallop height is presented for the first time.
本文以提高复杂曲面多坐标数控加工精度和加工效率为目的,在对国内外研究现状进行深入分析的基础上,对数控编程中各环节的关键技术问题进行了深入研究,主要内容包括以下几方面: 1 分析了复杂曲面各种造型方法的优缺点,给出了根据各种边界条件所确定自由曲面的NURBS表示方法以及三次NURBS曲线曲面反算算法;用微分几何理论推导了NURBS曲面的偏导矢及法曲率计算表达式;对曲面不同曲率特性区域的几何特征进行了深入分析,为建立复杂曲面的数控加工刀位计算模型奠定了理论基础。
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Based on field observation and indoor analysis about the stylolites in Tieshan,Daye,Hubei Province,this paper raises some fresh understandings about the stylolite as follows:(1) Stylolite s are classified into wave-shaped,sawtooth-shaped,city-wall-shaped and thin-column shaped stylolites.
为深入研究碳酸盐岩中的压溶作用,加深对压溶作用的认识和理解,以常见的缝合线构造为例,结合前人的研究成果和现代科技手段对湖北大冶铁山地区的缝合线构造进行了全面深入的研究,得到以下研究成果:丰富了缝合线类型;结合计算机技术获得了缝合线的三维形态;总结了缝合线形成中的一些主控因素;论述缝合线在应力分析、应变测量等传统领域及在能源资源等新领域的应用;对缝合线研究中存在的问题及分歧进行了评述并指出今后几年的研究重点。
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This paper has done a deeply research on the evaluative method, which focus on maintaining and ensuring the camion. After deeply analyzing the maintain theory of army equipment and the stratagem 's characteristic and combining the current systems engineering evaluating theories and methods, it has analyzed and solved all limitations that coming forth when a single model is used to evaluate the maintain capacity. After analyzing and ameliorating the judgment of AHP's coherence, the calculation of the expert power value and the optimizing of the more-extreme judging model, a new calculation method, the multidimensional complex calculation theory, is presented, which much fits for the evaluative calculation of the camion. The new theory's feasibility and the evaluation's reliability have been proved in theory in this paper. This paper also analyses the principle and the program, which is about building a camion evaluating system. According to the multidimensional complex calculation theory, an evaluative model has been built. Applying the levels analytical method, this paper fixes on the calculation of every target's power, brings the optimization allot precept of macro spatial resource, optimizes the resource of the maintainability of theater of operations' vehicle, which offers a theory foundation for optimizing of the resource space. The research not only brings out a uniform standard for the evaluating of the maintain ability of the camion, but also presents a theory foundation and method for perfecting the camion maintain system.
本文对军用车辆维修保障能力评估的方法论进行了深入研究,在理论上通过对军事装备维修理论及战略特性的深入剖析,结合现有系统工程评估理论、评估方法的特点,分析解决了应用单一模型评估装备维修能力问题的各种缺陷,就AHP法判断矩阵一致性判定,群策专家权重值的确认及多元评判模型的优化进行了研究和改进,形成了适应军事车辆维修保障能力评估应用的新算法--多元复合算法理论,对这一创新评价理论的科学性及评估可靠性进行了理论证明和算法应用;研究分析了建立军用汽车维修保障能力评估指标体系的原则和程序,并按照多元复合算法的理论,建立了车辆维修保障能力评估模型;应用层次分析法的原理,明确了各指标权重的算法,提出了宏观空间维修资源优化分配方案,优化了战区车辆装备维修能力资源空间,为某一具体车辆装备维修能力形成所需维修资源空间的优化提供了理论依据;本文的研究既为军用车辆装备维修保障能力评估提供了统一的衡量标准,也为军事装备维修保障系统的进一步完善提供了理论依据及方法手段。
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The innovations of this essay are following:Ⅰ, Completely investigating the theoretic introduction, practical application, and effects on investment administrant, and putting forward that China should transit gradually from dracon quantity regulation rules to prudent man rules;Ⅱ, Lucubrating the rational, negative effects, and experience tests of portfolio allocation regulation, performance regulation, and industry structure regulation of pension funds over OECD countries;Ⅲ, Analyzing the rational and sensibility of relative rate of return guarantees of pension plan, and advancing the scheme of rate of return guarantees of China;Ⅳ, First investigating the investment policy of pension plans globally using "contents analysis" over the world pension plans;Ⅴ, Lodging that portfolio diversification should be the most important risk management instrument, and presenting efficiency measure model of evaluating portfolio diversification of pension funds;Ⅵ, Lucubrating the optimal portfolio allocation model during accumulation phase and decumulation phase of pension funds; taking for that risky assets should decrease with time reducing during accumulation phase, but during decumulation risky assets should increase.
指出了本文研究的主要结论,以及研究的不足和未来研究的方向。本文研究的创新点在于:(1)从法和经济学的原理角度,全面研究了&审慎人&原则的理论解释、实践应用、对投资管理人行为影响的实证分析以及成功实施&审慎人&原则的因素分析,提出我国养老基金的投资管制应该逐步从严格的数量管制原则过渡到&审慎人&管制原则;(2)深入研究了养老基金的资产配置管制、业绩管制和产业结构管制的基本原理、负面效应、实证检验等,以及对OECD国家的国际比较;(3)研究了养老金计划的相对收益率担保的基本原理,并对其作用机制进行了敏感性分析,提出了我国收益率担保机制设计的方案;(4)首次采用&内容分析法&对国际范围内的养老金计划的投资政策进行了研究,找出了投资政策应该包含的关键要素;(5)提出组合多样化是最重要的风险控制手段,并给出了衡量养老基金组合多样化程度的效率评价模型;(6)深入研究了养老基金积累阶段和缩减阶段的最优资产配置的数量模型,认为在积累阶段对风险资产的投资应该随着时间减少,而在缩减阶段,风险资产应随着时间增加。
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A new study idea that makes the occupant injury prevention research and CAD/CAE technology on an integrate mathematical model by means of feature theories and feature design technologies was brought, and it is maybe useful if we study automobile passive safety on a new view of point.The conclusions of this thesis included that what are the main factors of airbag-related injuries and the preventive measures, based on the research of the relationships between injury parameters, such as HIC, chest acceleration, neck force, neck moment, femur axial force etc, and impact speed, belt-use, occupant size (50th and 5th), sitting position and so on. The thesis evaluated whether the effectiveness of the airbag can be increased by making the airbag adaptive to the crash conditions, and points out that the size of the ventilation hole has the dominating influence on the performance of the airbag and is a key factor for intelligent airbag, multi-stage and lower-power inflator can cost effectively minimize the risk of injury to occupants from crashes. It is important for the researchers of intelligent airbag to keep the small size unbelted occupants in focus and it is necessary to study deeply the influence of airbag fold patterns and the extremity out-of-position situation. These topics are important in the study of occupant injury prevention and vehicle safety design.
论文研究得出产生气囊损伤的主要原因和防护措施;在研究汽车碰撞速度、安全带使用情况、乘员的体型5~(th和50~、乘员乘坐的位置等不同事故条件作用下,乘员的头部、颈部、胸部和腿部损伤参数变化规律的基础上,论文从能量因素出发,深入研究了安全气囊卸载能力、气体发生器产气能力和气囊折叠对乘员损伤参数的影响,指出起卸载作用的排气孔其截面积是智能型安全气囊最重要的控制参数之一,以及采用降能展开或二次充气气囊有助于提高汽车安全防护性等重要结论;论文在参数分析的基严内容提要2 础上得出的智能型安全气囊应以不佩戴安全带的5乘员作为主要防护目标进行研究、有必要深入研究气囊折叠形式和司机处于极端离位状况时对损伤参数的影响等结论,对深入进行汽车乘员碰撞损伤研究和汽车安全性设计都具有重要的理论和工程实际意义。
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The first chapter of the thesis topics background analysis, a comprehensive grasp of the relevant literature, in-depth study of the question for laid a solid foundation; Chapter II from the perspective of China"s securities market, in-depth study of the volatility in the securities markets; Chapter III from Marcovitz portfolio theory, the capital asset pricing model and the arbitrage pricing theory systematic comparison, in-depth study of the International Securities Market Association theoretical basis, and then focus on the quantitative study of China"s emerging stock markets and the relevance of the surrounding market; this chapter use GARCH model family, pulse function, VAR model, market-related parameters , a smooth test, cointegration test, Granger causality test methods measure the volatility in the securities markets and the correlation with the degree of peripheral markets; Chapter IV in the face of China"s securities market volatility and market linkages with neighboring under the influence of the Chinese securities market from the current state of development of expounding China"s Permit Certificates of inevitability of the international market, Chinas securities market and to avoid the risk of the corresponding policy recommendations.
第一章系统分析论文的选题背景,全面掌握了相关的文献,为深入研究本问题奠定了坚实的基础;第二章从我国股票市场自身角度出发,深入研究我国股票市场的波动特性;第三章从马科维茨资产组合理论出发,对资本资产定价模型和套利定价理论进行系统比较分析,深入探讨了国际股票市场关联的理论,随后着重定量研究了我国新兴股票市场与周边市场的关联性;本章使用市场相关参数、平稳性检验、协整检验、Granger因果检验等计量方法测度了我国股票市场波动及与周边市场的关联程度;第四章基于我国股票市场波动及与周边市场的关联影响,从我国股票市场目前发展状况出发,阐述了我国股票市场国际化的必然性,并为我国股票市场的风险规避提出了相应的政策建议。
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delve into sth:深入研究谋事,钻进去
delve v.探究,钻研 | delve into sth. 深入研究谋事,钻进去 | demerger v.中止合并关系,解散合并企业
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delve into sth:深入研究某事,钻进去
delve v.探究,钻研 | delve into sth. 深入研究某事,钻进去 | demand-led a.由于供不应求而导致的
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field research:田野研究
调查方法: 本项目的定性调查借鉴社会学田野研究(Field research)的方法,通过调查人员深入到人们的日常生活和其所处的社会环境中,进行实地观察、深入访谈和专题讨论,为发展项目计划提供宝贵的、全面的第一手资料.
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armchair historian:不作深入调查研究的历史学家
不自在的神态/conscious air | 不作深入调查研究的历史学家/armchair historian | 布裱装儿童读物/rag book
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in-depth study:深入研究
in-depth formation damage 深部损害 | in-depth study 深入研究 | in-depth 深入的
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lucubrate:深入研究
luckyauspiciouspropitiousraylacousticalunit 瑞 | lucubrate 深入研究 | lucubrate 在灯下用功
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research into cancer:对癌症的深入研究
it broke into pieces : 它碎成一片片的了 | research into cancer : 对癌症的深入研究 | he worked late into the night : 他工作到深夜
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look into, see into:进入,深入研究
go in for 从时,追求,喜欢 ... + habit | go into 进入,深入研究 = look into, see into | go on with 继续
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I decided to check out more traditional religious types in their natural habitat:于是我决定到各教区 去深入研究宗教信仰
Raised in the church of "be nice an... | I decided to check out more traditional religious types in their natural habitat.|于是我决定到各教区 去深入研究宗教信仰 | As I watched people leaving church, I ...
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A most penetrating study. Very, very clear:一个非常深入的研究,非常清晰
is now occupied by your detailed report on American conditions.|是因为我们现在要详细研究美国的形势 | A most penetrating study. Very, very clear.|一个非常深入的研究,非常清晰 | Thank you.|谢谢