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simulated相关的网络例句

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Multiple trials is the basic concept of many parallel simulated annealing. It is to perform multiple trials at the same time to search acceptable solutions. The division simulated annealing with no communication and The clustering simulated annealing are two common types of parallel simulated annealing methods. The division simulated annealing with no communication makes each processor generate its own adjacent solution from its own current solution and compute the acceptance probability for a adjacent solution. Each of the processors searches solutions without communicating each other. Clustering simulated annealing makes each processor generate its own adjacent solution from a common current solution and compute the acceptance probability for each adjacent solution. Then, it decides which adjacent solution should be used to replace current solution according to a pre-specified rule.

许多平行模拟退火法之理论依据为多向试验,利用同一时间探索更多方向的试验来拓展搜寻的广度或深度,不进行沟通的分工模拟退火法(the division simulated annealing with no communication)以及丛集模拟退火法(the clustering simulated annealing)皆为平行化的模拟退火法,前者定义为各个处理器针对各自的起始解进行搜寻,产生各自的搜寻序列,在搜寻过程中处理器不进行任何沟通,各处理器仅针对自身之目前解进行搜寻;而后者定义为让所有处理器针对同一目前解进行运算搜寻各自的可能解,并各自决定其产出解之接受机率,最后根据事先决定之规则进行沟通比较,挑选其中一个可接受解取代目前解。

Firstly, this paper deeply studied the simulated evolution theory, demonstrated the feasibility of resolving the optimization problems in the thermodynamic control systems with simulated evolution theory, and through the analysis of the calculability of this theory, created the general frame of the simulated evolution algorithm and created the theoretical base for building the evolution optimizing architecture of thermodynamic control systems.

首先,对模拟进化理论进行深入研究,说明了运用模拟进化理论解决热力控制系统优化问题的可行性,并通过对模拟进化理论的可计算性分析,建立了模拟进化算法通用框架,为建立热力控制系统进化优化体系建立了理论基础。

According to the problem of artillery control system and simulated annealing algorithm,a new improved simulated annealing algorithm,a simulated annealing algorithm based DFP is designed,and it is applied to PID control of artillery control system.

针对现有火炮控制系统与模拟退火算法优化存在的问题,提出了一种改进的模拟退火算法用于火炮控制系统PID 参数寻优的方案,即基于变尺度法的模拟退火算法。

Moreover, the proposed VIGA was applied to optimize two typical testing functions with multimodal and multivariate. From the comparison of different optimized solutions by conventional GA, simulated annealing algorithm with the analytical for the testing functions, the feasibility and validity of the VIGA was verified.

以2个典型测试函数为例,分别进行了多峰值、多变量测试函数寻优测试,通过将VIGA寻优结果与测试函数解析解、传统遗传算法(genetic algorithm,GA)以及模拟退火优化(simulated annealing algorithm,SA)策略所得优化结果进行对比分析,VIGA的可行性和有效性得到证实。

We recorded conventional keratometric readings by manual keratometry and average simulated keratometry (Avg. Sim. K) by corneal topography preoperatively.

於术前以传统角膜弧度器测量传统K值,并利用角膜地图仪记录拟传统平均K值Average simulated keratometry;Avg。

According to the energy conservation theory, BOM and CSIM4 were coupled. The BOM has no treatment on transmission solar radiation, which is of great importance when the model is adapted to Arctic Ocean. So the treatment was introduced to BOM. Through numerical test on different lead albedos, it was found that sea ice thickness is not so sensitive to lead albedo, which may be contribute to the lead occupies little ratio within multiyear sea ice pack. The reason of summer over-melt of arctic sea ice is the NCEP reanalysis downward solar radiation being larger than its reality. Then the arctic sea ice climate variability was simulated. Results showed that: simulated ice thickness change is in accord with the submarine investigated mean sea-ice draft changes. Simulated annually maximum ice thickness along the Eurasian continental oceans are closely related to the observed ones. The long-term mean simulated ice motion has the same features of the SSM/I derived ice motion. Sea ice extents in differential sub-regions have same trends comparing to the satellite passive-microwave data derived ones. Simulated ice concentration is closely related to the observed in the Arctic sub-regions. Sea ice flux through the Fram Strait involves ice concentration, motion and thickness. It is a composite criterion for sea ice model evaluation. The simulated ice area and volume export through the strait accord with the satellite derived or statistically reconstructed ones.(5) The simulated ice thickness climate variability and mean sea surface current of the coupled model were analyzed, results showed: the total ice volume in the Arctic Ocean has a significant decreasing trend. The volume variability is of a 10-year timescale oscillation, with two major periods of 12-13a and 18-20a. Mean ice thickness in the arctic sub-seas has different tendencies. It has an increasing trend in the Barents-Kara Sea and Baffin Bay-Labrador Sea, and decreasing in the others. The characteristic time scale of 7-10a wherein the river discharges leads the Fram Strait ice volume export is about the period that river water takes to be conveyed across the Arctic Ocean.(6) Using the simulated ice distribution in the Arctic Ocean and China precipitation, air temperature and SST in tropical key regions, the climate teleconnection were studied. Result showed: When the mean sea ice thickness is large in the central Arctic Ocean and Chukchi-Beaufort Sea , and small in the Barents-Kara Sea and Baffin Bay-Labrador Sea , the precipitation in South China, Tibetan Plateau, and the north part of Northeastern China are always smaller than normal, and v. v. When the mean ice thickness is small in CA, BC, East Siberian Sea and Greenland-Iceland-Norwegian Sea , and large in BL, The air temperature in north-eastern China, the southern of Tibetan Plateau, and Hainan Island, are always lower than normal, and v. v. In addition, when the sea ice is thick in BC and BL, the SST is larger in the middle and eastern Pacific Ocean, and is smaller in the tropical Southeastern Indian Ocean.

由于BOM没有考虑透射太阳辐射的物理过程,研究表明透射太阳辐射对北冰洋的能量收支起到重要作用,因此在BOM模式中引入了对透射太阳辐射的处理;通过对不同水道反照率的数值试验表明海冰厚度对水道反照率的敏感性不强,可能与海冰区水道面积占的比率很小有关;而模式模拟的北极海冰夏季&过度融化&主要源于NCEP再分析资料提供了偏大的太阳短波辐射;对北极海冰的气候变率进行了模拟研究,结果表明:模拟的海冰厚度变化与潜艇探测的海冰吃深度变化具有一致性;模拟和观测的亚欧大陆沿海的年内最大海冰厚度有很好的相关;模拟的海冰移速与长期平均的卫星反演的海冰移速具有相同的速度分布特征;模拟的各个海区海冰面积的变化趋势与卫星反演资料分析的结果基本一致;模拟与观测的主要海洋分区的海冰密集度具有很好的相关:弗瑞姆海峡的海冰体积和面积的输送涉及到海冰密集度、厚度和移动速度,是判断模式模拟能力的一个综合的指标,模式模拟的结果与卫星反演或重建的面积输送、体积输送具有很好的一致性;(5)分析了模拟的北极海冰厚度的气候变率及气候平均表层海流场,结果表明:北极海冰的总体积有显著减少的趋势,北极海冰总体积的变化具有10a际尺度振荡的特点,存在18-20a和12-13a两个主周期;北极海冰的平均厚度在各个海区的变化趋势不同,在巴伦支—喀拉海和巴芬湾—拉布拉多海地区海冰厚度有显著的增加趋势,而其它海区存在减少的趋势;通过对模拟的气候平均表层海流的分析表明,北极河流流量超前弗瑞姆海峡海冰流量7-10年的特征时间尺度与表层海流的气候分布存在着必然联系:(6)利用模拟结果以及中国降水、气温和热带关键区SST资料,讨论了北极各海区海冰平均厚度与中国降水、气温以及热带关键区SST的关系,结果表明:在北极中心海区和楚科奇—波弗特海海冰厚度偏大,在巴伦支—喀拉海以及巴芬湾—拉布拉多海海冰厚度偏小,则中国降水在华南地区、青藏高原和东北北部降水偏少,反之相反;在北极中心海区、东西伯利亚海、楚科奇—波弗特海以及格陵兰海海冰厚度偏小,在巴芬湾—拉布拉多海海冰厚度偏大,则在中国东北地区、高原南部地区和海南岛附近气温偏低,反之相反;另外,北极楚科奇—波弗特海和巴芬湾—拉布拉多海海冰厚度偏大时,在热带中东太平洋海温偏高,而在热带东南印度洋海温偏低。

The method of CFD numerical simulation is employed to replace experimental investigation. Hence, STAR-CD of the commercial software is used to simulate the outer flow field and heat transfer performance of integrated heat sink with heat pipes cooled by airflow. It is found that simulated results agree with experimental results well, which indicates that simulation method is reasonable and reliable. Further, simulated computations for different fin thickness, fin pitches and air velocities are performed to analyze their effects on heat transfer performance of heat sink. Finally, a new optimized structure of integrated heat sink with heat pipes is provided to meet future demands for cooling CPU and its heat transfer is also evaluated. For multi-heat source and higher dissipation power of electronic devices, the integrated heat sink with heat pipes attatched fins stagged in different positions of channels is presented and its flow and temperature fields are also simulated to enhance heat transfer. As a conclusion, all mentioned above are useful for the design of heat sink with excellent efficiency of heat dissipation and further research.

应用商业软件Star-CD对CPU集成热管散热器的外部流场和传热特性进行了数值模拟,将数值模拟结果和试验结果对比,验证了所提出的数值计算方法是可靠和可行的;利用此数值模拟方法对CPU集成热管散热器在不同散热翅片间距、厚度和气流速度下散热器的流动与传热性能进行了数值计算,分析了这些参数的变化对散热器传热性能的影响;针对未来CPU冷却的要求,确定了与最优气体流速匹配的最佳翅片间距、厚度的CPU集成热管散热器的新结构;利用试验评测了根据数值模拟提供的新结构开发出的新CPU集成热管散热器的传热性能;最后在场协同强化传热的理论的基础上,对CPU集成热管散热器的散热翅片错位排列来强化散热器的散热,满足未来大功率、多热源的电子元件的散热,为今后进一步优化散热器提供了依据。

Based on the study achievements of some predecessors,bridge,pier and abutment were simulated by solid element,rail and sleeper were simulated by space beam element,the links of rail,sleeper,bridge,pier and abutment were simulated by spring element,a three-dimensional finite element spatial mechanics model for calculating the rupture force between continuously welded rail and high-speed railway bridge was established.

在吸收前人研究成果的基础上,采用实体单元模拟桥梁及桥梁墩台,采用空间梁单元模拟钢轨及轨枕,采用弹簧单元模拟钢轨、轨枕、桥梁与墩台之间的连接,建立了断轨三维有限元空间力学模型。

The main techniques of this system are as follows: Simulated digital map of field surveillance radar, aircraft objects display and graphic operations Simulated mathematical models of ground motions of the aircrafts Simulated realization of all kinds of airport control orders Processing of aircrafts'taxiways selection Tight coupling of airport and approach control Designs of training courses about airport control based on the standard of International Civil Aviation Organization This paper introduces the design and realization of simulation system of the field surveillance radar in detail, including five parts: The first part generally introduces Civil Aviation Air Traffic Control and simulated training of air control radar, and then analyzes the simulation requirements of the field surveillance radar, finally, presents works of the author in this simulation system items.

机场场面监视雷达仿真系统是快速高效并且低成本培养和提高塔台管制人员特别是管制学员的塔台管制技能的重要工具和设备,该系统具有以下技术要点:机场场面监视雷达仿真数字地图和航空器目标的显示以及图形操作航空器地面运动的仿真数学模型各种机场管制命令的仿真实现地面航空器滑行路线选择处理机场管制与进近管制的紧密结合按照国际民航组织标准进行设计机场管制训练课程本文详细地介绍了场面监视雷达仿真系统的设计和实现,一共分五个部分:第一部分概括介绍民航空中交通管制和空管雷达仿真训练,分析机场场面监视雷达仿真的需求情况以及作者在该仿真系统项目中所做的工作。

After providing the genetic simulated annealing algorithm, the efficiency and accuracy of GSA algorithm is tested and compared.

在给出遗传模拟退火(genetic simulated annealing,简称 GSA)算法和算法各个参数的同时,对算法的性能和求解精度进行了测试。

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On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面,更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。

You rap, you know we are not so good at rapping, huh?

你唱吧,你也知道我们并不那么擅长说唱,对吧?