初步数据
- 与 初步数据 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Cutting discontinuities's 3-D model could get cutaway view and date directly on AutoCAD plat, it will be good for research instability clastic mass. The author select rock mass from damsite in Laxiwa hydroelectric station as object to which information processing system on rock mass structure is applied.
通过结构面的数学建模,使采集所得结构面数据的处理实现了信息化,程序化,应用多功能数据库在计算机上人机交互划分岩体结构,初步实现岩体结构的信息化,并且通过结构面与相关实体的真三维实体模型的建立,既可清晰直观的展示结构面模型的空间形象,又可容易的切割模型并获取切图的数据,对不稳定块体的分析研究提供了强有力的辅助手段。
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Experimental accuracy and repetition of FBG temperature sensitivity and compensation were discussed.have selected several materials which has bigger coefficient of expansion to do packaging components, have made many temperature experiments, there have not flaws, such as aging, crackle, absciss layer, packaging materials have good temperature sensitivity and compatibility with optical fiber;have designed the simple and practical packaging components, have performed a serials of experiments about accuracy and repetition of FBG wave-length, have obtained the first step conclusion;have analyzed the result and made comparison between the result of different experiment, have summarized the best packaging effect and several rules to reduce mistskes.
本文所做的主要工作包括以下几个内容:一、选取了常见的热膨胀系数大的材料制作封装元件,经过多次一80℃到80℃反复测试,封装元件没有出现老化开裂、封装裂纹、空洞、离层等缺陷,封装材料具有良好的温敏稳定性及复用性,与光纤相容性较好;二、对光纤光栅进行简单、实用的封装处理,就封装效果的优劣性、波长测量的准确度、重复性和封装时产生的波长损失等方面进行了一系列的实验,得出了初步的结论;三、对温敏和温度补偿式封装的实验数据进行了详细的分析和对比,从数字上对温变过程中光纤光栅中心波长的改变及温变曲线进行了定量的分析,在大量实验数据分析结果的基础上,总结出哪种材料封装效果更好,以及如何有效的减小实验误差。
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During 3D seismic data acquisition in Berri Block of Saudi Arabia,GPS navigation system was used while shooting,and monitoring shot-point drift on the interface of GPS navigation system,to initially control shot point error. Then,the method was applied to control seismic data acquisition quality,to analyze and examine shot-point drift and receiver-point drift.
在沙特Berri工区三维地震数据采集过程中,首先在放炮时采用GPS导航系统,在导航系统监控软件界面上监测炮点偏移情况,初步控制炮点误差;然后利用基于最小偏移距分选方法对地震数据采集质量进行监控,并对炮点和检波点偏移误差进行分析和检查。
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Finally, the highly precise estimation of target azimuths is obtained by processing the added pulse compression data vector with Capon algorithm again.
然后利用回波数据及目标的初步位置信息,把同一目标对应不同发射阵元的脉压数据矢量经多普勒频移和相位补偿后相加,再进行Capon谱估计,获得高精度的目标方位角估计值。
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Third-Party Logistic of Warehouse Management System Framework provides a series of reusable groupware, such as persistence layer which introduces Dynamic Value Object, Value List Hander and Command pattern. It encapsulates the details of accessing database and affords the interface of different persistence layer framework. Based on Asynchronous JavaScript and XML, we develops the client validity check engine, dynamic cascading menu and common, dynamic tree structure groupware, as well as a set of tag library which include query, pagination, cache and so on. It reduces the code redundancy and predigests the development of interface layer enormously.
第三方物流管理系统框架提供了一系列可复用组件,例如采用动态VO、值列表处理器以及命令模式的持久层组件,封装了数据库访问细节,并为不同的持久层框架提供调用接口;基于Ajax(Asynchronous JavaScript and XML)技术的客户端校验引擎、动态级联菜单以及通用动态树型结构组件,一系列查询、分页、缓存等标签库则减少了表示层的代码冗余,简化了表示层开发;基于SSL登录以及基于角色的访问控制的安全子系统则初步实现了数据安全传输和权限控制;此外基于Web服务的企业应用集成模型为今后系统集成、数据共享提供了有益探索。
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According to the characteristics of altimetric satellite's orbit, this thesis systematically studies the theory and methods of satellite altimeter data processing. The content includes the analysis of satellite's radial error in time domain and in space domain, the spectra characteristics of collinear tracks and crossover points distribution, the integral method and the computation and analysis of Topex altimeter data.
本文针对测高卫星轨道及地面轨迹所独有的特点,较系统地研究了卫星测高数据处理的理论与方法,内容涵盖了测高卫星径向轨道误差的时域特征分析与空域特征分析、共线轨迹与交叉点分布等的谱特征、整体求解法的研究以及Topex测高数据的初步计算与分析。
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The dissertation studied the methods of data, pre-process and presented the algorithm of 3D mesh segmentation: Using curvature, vector and the prerequisite feature lines to detect the segment edges, then a region growing method is applied based on those edges is applied to segment the triangle meshes.
本文针对含有扫描数据含有大量噪点这种普遍的现象设计了特征线的优化和修复算法,对于初步提取得到的特征线,通过剪枝、边溃缩,边拆分和边交换等手段,大大减少了结果中的碎片数据,并使获得的曲线更加光顺,达到工业应用的效果。
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Selected parts of the reported results of primary studies are entered into a database, and this "meta-data" is "meta-analyzed", in similar ways to working with other data - descriptively and then inferentially to test certain hypotheses.
挑选已报道的初步研究结果的一部分将之输入一个数据库中,这些元数据就会被以与分析其他数据相似的方式进行荟萃分析-描述然后推理以验证某些假说。
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On the basis of summarizing separation method of acetic acid-water system, we studied the azeotropic distillation process of acetic acid-water system, selecting butyl acetate, isobutyl acetate and isopropyl acetate as entrainers. The influence of packing height, ratio of water to entrainer and acetic acid initial concentration to separation effect of azeotropic distillation was studied in detail. Simulation calculations of general distillation and azeotropic distillation were carried out. The influence of reflux ratio, theoretical plate, feed position, feed temperature and feed concentration to distillation process were discussed. Preferred process operation parameter, which had guiding meaning to practical production of distillation process were obtained. Basic data for the process amplifying design of azeotropic distillation tower were provided. Invest and operation energy consumption of two distillation methods were compared. The elementary technical design of azeotropic distillation tower was carried out on the basis of result of simulation calculation. The type of major auxiliary equipments and inner parts of packed tower were selected.The research results are as follows:(1) Butyl acetate, isobutyl acetate and isopropyl acetate could be selected as entrainer, and separation effect was near.
本文在综述醋酸-水体系分离方法的基础上,以醋酸丁酯、醋酸异丁酯、醋酸异丙酯为挟带剂,对醋酸水溶液进行共沸精馏过程研究,详细研究了填料高度、水与挟带剂的配比、醋酸初始浓度等对共沸精馏分离效果的影响;对醋酸-水体系进行普通精馏和共沸精馏过程模拟计算,讨论了回流比、理论板、进料位置、进料温度和浓度对精馏过程的影响,获得了对醋酸-水体系精馏过程实际生产具有指导意义的较佳的工艺操作参数、共沸精馏塔的工艺设计放大的基础数据,并对两种精馏方法的投资、操作能耗进行了比较;同时在共沸精馏模拟计算的基础上进行了共沸精馏塔的初步工艺设计计算,并对填料塔的主要辅助设备及塔内件进行了初步选型。
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The main research contents are as follows:1. Through massive calculation, analysis and comparison, sum up the similarities and differences between the special-shaped cross sections and rectangular cross sections in mechanical features, between reinforced concrete special-shaped columns and rectangular columns in load-bearing capacity, ductility performance and provide necessary basic concepts and data for further understanding the characteristics of the special-shaped columns;2. Through massive elastic calculations and elasto-plastic analysis, under the preconditions of satisfying the code's requirements for axial compression ratio, limit value of lateral displacement and load-bearing capacity of normal section,oblique section and beam-column joint, under circumstances of different intensity of earthquake, structure dead weight, sort of site and column grid bay dimension, the variation regularity of maximum suitable height of structure, and thus sum up the maximum suitable height of structure for code for the purpose of macro-control while deciding the design scheme;3. Make a preliminary study on the stress feature of reinforced concrete special-shaped column and Z-shaped column of which the ratio of limb length to limb thickness is between 4~5 ,and the preliminary design method is suggested;4. Through elato-plastic time history dynamic analysis of typical projects, check up the weak storey of the special-shaped column structure and yielding, breaking and collapse mechanism to satisfy the earthquake resistant requirement to buildings of remaining stand under strong earthquake;5. Derive for project use simplified calculation formula of vibration period, suitable vibration period, suitable rigidity of special-shaped column structure through theoretical analysis, and provide an easy and practical method for deciding the structure scheme economically, safely and reasonably;6. Based on the study achievements in theory and massive analysis and calculations of this paper, sum up the regularities of inner force, deformation of special-shaped column structure and seismic conceptual design, and thus the suggection of seismic design of special-shaped column structures is presented.
本文研究的主要内容如下:通过大量的计算、分析和对比,总结出异形截面与矩形截面在力学特性、钢筋混凝土异形截面柱与矩形截面柱在承载能力、延性性能等方面的异同,为深入了解异形截面柱的特点提供必要的基本概念和数据;通过大量的弹性及弹塑性计算分析,在满足规程对轴压比、侧移限值及正截面、斜截面、节点承载力抗震验算要求的前提下,在不同抗震设防烈度、结构自重、场地类别及柱网开间尺寸情况下最大适宜高度的变化规律,并在此基础上总结归纳出异形柱结构的最大适用高度规定,可用于规程,以便于在确定方案时起到宏观控制的作用;对肢长与肢厚比在4~5的钢筋混凝土异形截面柱及Z形柱的受力特点进行初步探讨,提出初步的设计方法;通过对典型工程的弹塑性动力时程分析,检验异形柱结构的薄弱层及屈服、破坏、倒塌机制,以达到建筑物大震不倒的抗震设防要求;通过理论分析,推导出异形柱结构自振周期,以及适宜自振周期、适宜刚度的工程实用简化计算公式,为经济、安全、合理地确定结构方案提供简便实用的方法;在本文理论分析、计算以及大量的研究成果基础上,总结归纳出异形柱结构内力、变形的规律及抗震概念设计内容,并在此基础上提出异形柱结构的抗震设计建议。
- 推荐网络例句
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Fancy gold-plated dangling earrings with facetted White Opal crystals.
花式镀金悬垂耳环与facetted白欧泊水晶。
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This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.
本文选取石家庄市初中生物教师作为研究对象,运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查,调查结果发现,石家庄市初中生物教师这一群体普遍存在职业倦怠,情感枯竭程度偏高,成就感偏低,去个性化程度最为严重。
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In measurements of a day,generallyspeaking,the photosynthesis of birch in mesophytic habitat is better than that in xerophytichabitat(peak values are 12.8,10.33μmolCO2m-2s-1 respectively);that of sexual birch inmesophytic habitat is better than that of clone birch(peak values are 9.87,6.71μmolCO2m-2s-1respectively);that of young tree is better than that of seedling(peak values are12.37,10.05μmolCO2m-2s-1 respectively).
在一天中的各个时刻,总体说来,中生生境生长的白桦光合作用超过旱生生境生长的白桦光合作用(净光合速率峰值分别为12.8、10.33μmolCO2m-2s-1);白桦幼树的光合作用超过白桦幼苗(净光合速率峰值分别为12.37、10.05μmolCO2m-2s-1);中生生境有性白桦的光合作用超过无性白桦的光合作用(净光合速率峰值分别为9.87μmolCO2m-2s-1、6.71μmolCO2m-2s-1)。