可行性研究
- 与 可行性研究 相关的网络例句 [注:此内容来源于网络,仅供参考]
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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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This paper introduces the research results of techniques of testing PC pump oil well through one-year efforts. Which covers the mathematical models of a number of force characteristics strength analysis, and resonance critical problems of rotation rod-string in PC pump wells: resulting of testing method of polish-rod load and rotation rate on the basis of feasible demonstration and technical requirement analysis; study and manufacture of system of testing PC pump well, which involves sensor, collector ring, acquisition circuit and computer; research and determination of assistant technology of testing force on rotation polish-rod and formulation of testing force on polish-rod. A spot testing has been carried out by means of the above research fruit and good results have been achieved.The success testing results in has laid a strong foundation for the oil well diagnosis.
本论文介绍了对螺杆泵采油井的研究成果,其内容包括,对螺杆泵采油井中的旋转杆柱的若干受力特征、强度分析方法及共振临界问题进行数学建模;在可行性论证和技术需求分析的基础上,研究产生了对油井进行光杆负载和旋转速度测试的办法;研究制作了螺杆泵采油井测试系统,它包括传感器、集流环、采集电路和计算机等;研究确定了对实施旋转光杆测力的辅助工艺;制定了对光杆受力进行测试作法,利用以上研究成果实施了现场测试,并取得了理想的结果。
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Firstly, the thesis mainly deals with major social pension system problems of market economy such as its target and orientation, pattern and degree in the condition of market economy. Then, I analyze numerous systems that constitute the reform of social pension system such as system construction, mechanism construction and institution construction, expounding the social pension system"s reform from system, mechanism, and institution three aspects in the way of from exteriority to interiority, from far - side to near - side, from low - level to high -level.At last, I put forward specific train of thought about how to perfect the social pension system"s reform, Analyzing the specific train of thought constituting pension balance through the analysis of pension balance through the analysis of the prediction the revenue and expenditure of pension.Analyzing the particular train of thought that further adjusting and improving the basic social pension budget through real calculation and research. Analyzing the system bound and developing direction of free employees through actual research. All these have key practical and deeply strategic significance in enriching reform theory, exploring reform method, instructing reform practice, as well as promoting the coordination of society and economy.
本论文既从系统和环境的观点出发,研究了市场经济条件下养老保险改革的目标和方向、养老保险制度模式、养老保险保障程度等涉及养老保险体系基本定位的问题;又从整体和局部的关系出发,分析研究了构成养老保险改革的制度建设、机制建设和体制建设等诸多子系统,从制度、机制和体制建设三个层面由表及里,由近及远,从低层次到高层次,由微观到宏观论述养老保险改革;在此基础上,提出市场经济条件下完善养老保险改革的具体思路,通过实际测算和调研,研究基本养老金计发办法进一步调整和完善的具体思路;通过实际调研,研究灵活就业者参保的体制障碍和发展方向;通过基金收支预测实证分析,研究构建基金平衡机制的具体措施,探索论证养老保险改革思路的可行性;这对于丰富养老保险制度改革理论,探索改革思路,指导改革实践,促进社会经济协调发展,都具有重要的现实意义和深远的战略意义。
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According to the need of the subject"Study on Saving Energy in House Buildings with Concrete Blocks"conveyed by Science and Technology Committee of Liaoning Province and the feasibility of constructing high-rise block buildings in the area of eight of earthquake intensity, an experimental study on the mechanical properties of the high-strength masonry panels with concrete small-size hollow blocks has been finished, and both the dynamic characteristics and the seismic behaviors of elastic and plastic state of long cantilever reinforced block shear walls have been analyzed by finite element method in this paper.
中文题名高强混凝土砌块砌体基本力学性能的试验研究及其动力分析副题名外文题名 Experimental study on mechanical properties of masonry walls with high-strength small-size concrete hollow blocks and dynamic analysis 论文作者祝英杰导师刘之洋教授学科专业结构工程研究领域\研究方向学位级别博士学位授予单位东北大学学位授予日期2001 论文页码总数158页关键词混凝土结构砌块砌体剪力墙空心砌块配筋砌块馆藏号BSLW /2003 /TU375 /1 根据辽宁省科委项目"混凝土承重砌块节能住宅体系研究"的要求以及在八度抗震设防地区建高层砌块建筑的可行性,本文对高强混凝土小型砌块砌体的力学性能进行了试验研究;利用有限元法对长悬臂配筋砌块剪力墙的动力特性和弹塑性地震反应进行了分析。
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The author discussed the effect of opacity on stellar evolution and concentrated on the mechanism of triggering blue loop by using Padova stellar model. It shows that extended mixing at the bottom of the convective envelope changed the interior hydrogen profile, which triggers or suppresses blue loop. Laboratory astrophysics, which is a cross subject of astrophysics and plasma physics, combines the demand of accurate data of radiative opacity with the latest advances in high intense lasers to devise the third independent method to study the radiative opacity. On the basis of the comparison between stellar material and laser-produced plasma in terrestrial laboratory, the desirable way to study opacity in laboratory and the brief introduction to the experiments relative to opacity are given.
本论文就开展辐射不透明度实验室研究的背景、内容和意义进行了介绍,并在对实验室的激光等离子体和天体环境下的恒星物质两者差异和相关性的认识基础上,论证了开展辐射不透明度实验室研究的可行性,而且对世界上正在开展的类似研究予以简要介绍,期望可以将天体物理领域对辐射不透明度数据可靠程度的质疑以及对其准确数值的广泛要求,与激光等离子体物理实验的最新进展相结合,推进辐射不透明度实验室研究,为辐射不透明度的研究开拓了继天文观测和理论计算的第三种独立的手段。
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Electrochemical oscillation of lead electrode in sulfuric acid has been explored with in-situ ellipsometry.Effects of improvement of electrodes properties are affected by increase or decrease of surface temperature of the samples badly during ion implantation. Some theories and methods on substance diffusion transfer have been applied to calorifics to obtain mathematical relation between the surface temperature on the samples and operation time during ion implantation.
掠射式椭圆偏振方法是本论文提出的一种全新的研究方法,为验证这种现场研究方法的可行性,本论文选择了几个用其它方法研究较为成熟的电化学体系并结合本论文研究的化学电源体系,以掠射式椭圆偏振技术进行研究,提出了改良镍电极、锌电极、铝电极和铜电极性能的具体措施或者理解这些电极表面性质和涉及它们的电极过程的实验依据,为使用这些电极的化学电源性能的提高奠定了基础。
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Based on the study and inheritance of the domestic and overseas achievement in the related field, this thesis makes research into the theory and application: On theory, this thesis puts forward the concepts of Engineering Cost, Engineering Cost Management and Engineering Cost Estimation, analyzes the relation between them; And it introduces the factors which influence the engineering cost estimation, then puts forward the study of the methods; It particularizes the common methods of estimating the engineering cost, introduces the principle, the operation and the application condition, and analyzes the advantages and disadvantages of each method; By introducing the mention, the principle, the reasoning process and the comparison with the traditional reasoning mechanisms, it makes out the essence of this method, and views it as a whole.
本文在研究、继承已有国内外研究成果的基础上,在理论和应用方面都进行了研究:理论方面,提出了工程造价、工程造价管理、工程造价估算的概念,分析之间的相互关联;介绍工程造价估算的影响因素,提出对编制方法的探讨;列举出目前常用的工程造价估算方法,介绍各种方法的原理、使用方法及应用条件,分析各自的优缺点;通过介绍基于案例推理的提出、基本原理、推理过程和与传统推理机制的比较,剖析该方法的精髓,对其有了整体把握。应用方面,基于对研究对象的深刻理解,分析了工程造价估算问题和基于案例推理二者结合的必要性和可行性;建立了基于案例推理的工程造价估算系统,综合运用模糊数学、灰色理论、运筹学等知识,构造了系统算法;并运用上述理论和方法进行了实例分析,实现了基于案例推理的工程造价估算问题的初步研究,使得运用基于案例推理方法解决工程造价估算问题的设想得到了肯定。
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The systematic experiment of conservation tillage in two crops a year region has been designed and performed according to the maximum benefit of resources, environment and production, based on the research achievements of conservation tillage technology in one crop a year regions. Series experiments and embedded theory study have been conducted for estimating the feasibility of water saving in conservation tillage and guiding irrigation. At the same time, the evaporations of soil water under the condition of conservation tillages are measured and its mathematic model is studied and significant research achievements have been obtained.
中文文摘:为研究一年两熟地区实行全程保护性耕作技术体系的可行性,选择出适宜该地区一年两熟的保护性耕作技术体系和提供指导灌溉用水的理论依据,论文在一年一熟地区保护性耕作体系研究成果的基础上,以一年两熟地区全程保护性耕作体系的资源环境效益和生产效益为依据,进行了深入的理论分析和田间试验研究;同时进行了保护性耕作条件下,土壤水分棵间蒸发的专项试验及模型研究,取得了重要的研究进展。
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Then, it established the testing system and achieved the experiment of collecting and simulating natural wind signal successfully. It validated the feasibility and reliability of the system through comparing the simulating signal and original one and offered the basis of control parameters and systemic feasibility for upper study.
而后建立测试系统,成功实现舒适性自然风信号的采样和还原模拟实验,通过对模拟自然风信号和原始信号各个特征参数的比较分析,验证了系统的可行性和可靠性,并为后期的研究提供参数控制和系统可行性依据。
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This paper summarized fully and systematically the study contents , methods and implementation project of relative support techniques upon that the platform workover rig is transformed into drillable adjustment well rig.
在读工程硕士期间,作者作为项目负责人,主持并参加了涠12-1油田平台修井机改造成可钻调整井钻机的技术研究及可行性论证评估工作;在可行性论证通过后,又主持并参加了涠12-1平台的平台现场测绘、改造设计、改造设备调试、改造设备平台安装及第一口井的试钻工作。
- 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