地方法
- 与 地方法 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 analysis of the optical signal transmission characteristics and the physical parameters provides the theoretical foundation for optimizing the design and improving the performance of AWG; and the optimizing design numerical value calculation method solves the complex problem of the optimizing design of the AWG, it can also provide a way for AWG computer aided design system; the AWG optical signal processing analysis provide a way for optical signal Fourier transform, serial and parallel transmission, circle shift, matrix transform and differential processing; the optical signal processing characteristics of AWG develop AWG to use for new field, and the optical signal processing will play an important role on all-optical networks in the future; by the definition of the wavelength transform matrix of the AWG, the signal output positions that come from these input signals of the different wavelength or the same wavelength but the different input ports and carrying different signals can be accurately determined, and the wavelength transmission matrix plays an important role for analyzing the routing of the complex optical network, or designing the network nodes such as the optical path add/drop multiplexer and optical cross connect device; the wavelength transmission matrix also provides a method for monitoring and managing the wavelength transmission of the optical network nodes; e analysis of the AWG' OXC node structure and wavelength routing provides a way for realizing the OXC, especially for multi-path/multi-wavelength OXC and the intelligence node of the optical networks; by the studying of the control plain characteristics, router, traffic engineering, program and the improved arithmetic of the wavelength routing, the method for realizing the GMPLS' OXC optical transport network is provided, and it play an important role for the study of the automatic switched optical network; the time-frequency analysis can provide more information about the dispersion and energy changes of .the pulsed light transmission in the singlemode fiber, it also provides more useful parameters for analyzing the dispersive accumulating and dispersive compensating.
AWG光信号传输特性与相关参数的分析,为进一步优化设计AWG及提高其性能提供了理论依据,而优化设计计算数值方法解决了AWG优化设计计算的复杂问题,为进一步建立AWG的计算机设计系统提供了基础;AWG光信号处理的特性分析,提出了AWG应用的新领域,为光信号的傅立叶变换、串并传输、循环移位、矩阵变换、微分处理等提供了一条途径;波长传输矩阵变换关系的建立,不仅得到了确定多路AWG每路信号从输入端口到输出端口的准确输出位置的方法,而且在分析应用AWG实现复杂的光通信网络路由的连接、特别在设计分插复用器和交叉连接器等网络节点时有重要的作用,能有效而准确地确定波长的路由关系,为实现节点波长传输路由的监控和管理提供有效手段;基于AWG的OXC结构和波长路由的确定为实现OXC技术、特别是多路多波长的OXC和光网络的智能节点技术提供了有效的方法;控制平面的特征、路由器、流量工程、程序及改进的波长路由算法的研究实现了基于GMPLS的OXC光传送网络的控制平面,为建立自动交换光网路提供了一定的基础;时频分析可以更直观和更清晰地描述脉冲信号在单模光纤中传输色散和能量的变化,为色散积累和色散补偿提供有效的分析参数。
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According to actual working experience and the shortcoming of the cadastration at present, the author proposes a new scheme— the block measurement, and through actual surveying data, examines the block measurement method.
根据实际调研工作经验,针对当前地籍测量方法存在的不足,提出区块法地籍测量的新方案,并依据实测数据检验区块法地籍测量方法是否可行。
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Firstly, the paper, combining the characteristic of synchronous pulse bursts and inhibition with the modified PCNN model, presents a way of finding the foveation points in the images adaptively and effectively, and simulates the human vision system. Secondly, PCNN is extended to PCNNs, based on the properties of information couple and transmission, an algorithm that is used to fuse images of the same target got by several sensors to an image is presented to simulate the human vision system. Thirdly, combining the properties of synchronous pulse bursts, capture, and transmission and competition of waves, the paper presents two ways of classification, one is an algorithm based on the properties of neuron to capture and inhibit to classify the data taking on any complex unlinear distribution robustly, the other is based on the restricted distance and modified of the former to remove the influence of inferior samples in classification; Finally, based on the accumulative difference pictures, and the forming and transmission of PCNN wave, selecting and controlling the direction of autowave by connecting the neighbouring neurons selectively, the paper presents a way to simulate the tracks of moving object and detect the moving direction.
首先结合PCNN的同步脉冲发放和侧抑制特性,提出了基于改进型PCNN的图像凹点检测算法,该算法是一种自适应而有效的图像凹点检测方法,并且较好地仿真了人类视觉系统;然后,结合信息传递和信息耦合特性,将PCNN扩展成PCNNs,提出了一种基于PCNNs的图像融合算法,能够将多个传感器获取的同一目标的图像信息融合到一幅图像中,有效模拟了人类视觉系统;另外,结合PCNN的同步脉冲发放特性、捕获特性和波的传播竞争特性,开拓地将PCNN用于模式分类中,提出了基于耦合神经元点火捕获/抑制特性的分类方法和改进的约束距离下的PCNN分类方法,前者可实现对样本空间中任意复杂分布训练样本的稳健非线性分类,而后者能够消除训练样本中刺点对分类的影响;最后,结合累积差分图像思想、PCNN波的形成与传播特性,通过各神经元之间连接取向来选择与控制自动波的流向,将PCNN用于运动视觉分析中的运动轨迹模拟及运动方向检测。
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Firstbrook expresses, those rubbish mail maker people because very possible meeting wants not tire of to its register Google Docs account irritatedly and abandon mail of this one rubbish producing a method, because Gu Ge adopted a kind of effective ground to prevent to register the method of the account automatically, if they are used after Google Docs account is dropped by screen, they the method that must use handiwork to register.
Firstbrook表示,那些垃圾邮件制造者们很有可能会因为要不厌其烦地注册Google Docs帐户而放弃这一垃圾邮件制造方法,由于谷歌采取了一种有效地防止自动注册帐号的方法,假如他们使用的Google Docs帐号被屏蔽掉后,他们将不得不采用手工注册的方法。
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For more exact modeling population distribution condition and more expressly reflecting population spatial pattern in urban region,with the fifth census data of Shenyang City,in this paper we spatialize population data by using grid calculating,model population distribution by using Geo\|statistics,identify population pattern by using DEM models and analyze characters of population distribution.
为准确地模拟城市人口分布,清晰地反映城市人口分布格局,本文利用沈阳市第五次人口普查资料,采用网格计算方法空间化人口数据、地统计学的空间插值方法模拟人口分布。
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According to the definition and the distribution of VSR's voltage space vector, the introduction of a rule-based SVPWM current control strategy, with non-fixed switching frequency and dual hysteresis loops, that obviously improves the performance of current control. Based on two kinds of control strategies of VSR under unbalanced grid condition, the introduction of a new VSR control strategy featuring undamped-oscillation that simplifies the controller structure and effectively improves VSR's performance under unbalanced grid condition. A systematic description of the state switching in trilogic PWM signal generation of threephase CSR by using the conversion between bilogic and trilogic switching functions.
作者在如下工作的基础上对PWM整流器的一些关键问题提出了自己的研究思路、观点和方法:根据PWM整流器网侧矢量关系,直观地描述了其四象限运行的基本原理及特征;定量分析了VSR、CSR的PWM换相过程及波形特征;引入等效变压器模型并详细分析了VSR、CSR基于d—q模型的动、静态特性;提出了满足四象限有功、无功运行指标时的VSR交流侧电感设计方法;并提出了依据控制系统跟随性和抗扰性性能指标设计VSR、CSR直流侧储能元件的参数计算方法;在研究了VSR电流控制策略基础上,提出了影响VSR电流控制的几个要素,并进行了定量分析;根据VSR空间电压矢量的定义及分布,提出了基于规则控制的不定频滞环空间矢量PWM电流控制策略,并由此提出了具有双滞环特性的不定频滞环优化SVPWM电流控制策略,有效地改进了滞环PWM电流控制性能。
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Reference frame's uniformation methods, adjustment methods and the implication of corresponding datum for various adjustment methods are systematically discussed about high precision GPS network. The systematical investigates on the choice of reference station in the high precision GPS data processing and the effect to adjustment results are made. Some general principles on the choice of reference station are presented.
系统地讨论了高精度GPS网数据处理中参考框架的统一方法、平差方法及各种平差方法所对应基准的意义,针对高精度GPS数据处理中基准站选取对平差结果的影响进行了系统地分析,提出了基准站选取的一般原则。
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A new case-matching algorithm, namely ANNI, is proposed in this paper. It uses artificial neural network to setup the mapping relationship, which is generally decided by human expert before and full of unreasonability in weight setting. The ANNI algorithm is proven to be very suitable for mapping between complex-related factor sets and can be applied in case-matching calculation.
首次提出基于BP神经网络的事例匹配度计算—ANNI方法,很好地解决了现有的事例匹配算法需要人为定义权值或匹配规则的缺陷,利用神经网络的自适应性可以有效地确定复杂相关因素集之间的相互映射关系权值矩阵,从而能够有效地应用于基于事例的推理方法中多因素的注塑成型特征集匹配度计算。
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3Through analysis of the calculate results and actual fact of Shaanxi province, we can still attain below information: The latest rank of index of new economy in China shows: Shaanxi is the eighth, but the GDP per person is NO.29, so the technology and resource advantages of Shaanxi are far to convert to economic advantage, Finally, how to make the technology of the Shaanxi converting to realistic productivity farthest, and make the technology advantage converting to economic advantage, and make the big province of technology becoming a powerfully economic province which is worthy of the name, the dissertation suggests grasping a few aspects as follows: Set up the idea of exploitation new technology, establish the motive mechanism of technology innovation, establish the mechanism of guarantee the budget of scientific research, establish the mechanism of guarantee scientific personnel, construct the fair competition market environment, allotment technology resources openly in the most possible, make the resources to be allotted and used with high-efficiency, at the same time, relying on the resources advantage of Shaanxi, proceed the technique reform and technique penetration, so as to creates the higher benefit.
最后,就如何使陕西的科技优势最大限度地转化为现实生产力,使科技优势转化为经济优势,使科技大省成为名副其实的经济强省,笔者建议从以下几个方面抓起:树立新的科技开发观念、建立科技创新的动力机制、建立科研经费保障机制、建立科研人员保障机制、营造公平竞争的市场环境,科技资源分配尽可能地公开,使资源得到较高效率的配置和使用,同时,依托陕西的优势资源,进行技术改造和科技渗透,以创造出更高的效益。本研究具有以下创新点:一是使用先进的研究方法,把计算机计算和新的数学方法相结合,使计算简单化、准确化;二是使用了先进的研究思路,把陕西省和其他地区置于同一系统内,使用同一的数据处理方法和统计口径,使计算结果更科学、更符合实际,且具有可比性。
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On the basis of getting the true and reliable monitoring datum, the methods of diagnosis algorithm based on state predicting are also discussed in this paper. A method based on BP artificial neural network is presented. A diagnosis model is also designed and emulated. The results of the emulations show that the algorithm is obviously better than that of the traditional three-ratio method, and the algorithm can accurately makes good judgments on the faults base on qualitative and quantitative analysis.
在获得真实可靠的监测数据的基础上,还进行了运行状态预测的故障诊断方法的探讨,提出了基于BP神经网络的故障诊断方法,建立了一个诊断模型,并对该模型进行了仿真,仿真结果表明该算法明显优于传统IEC三比值法等故障诊断方法,能够比较准确地定性和定量地对故障做出判断,为电力运营部门提供有用的决策依据。
- 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