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This paper is using S Company, which is developing and manufacturing a cell phone key bottom, as the research base. This research is also using hyper links and surveying auxiliary patterns as variable factors to create four kinds of web site frameworks. Furthermore we are taking different background staff, a development team, a non-development team (Sales, Quality and Production department) and new employees to run an experiment to analyze and estimate the efficiency of four kinds of design based web site frameworks.

本研究以专司手机按键研发与制造的S公司作为研究背景,将超连结的视窗与导览辅助模式做为研发知识分享资讯网的可变因子,创造出四种不同的知识网页架构,并藉由搜寻任务来了解研发人员、非研发人员、和新进人员对於此四种实验网页的操作效益和评价。

Ordinary Kriging, Co-Kriging and OKR interpolations were conducted with 72 SOC data in the topsoil (0~10 cm) which was selected as an auxiliary variable, and 36 and 24 SOC data in the subsoil (10~20 cm) as target variables.

以72个上层(0~10 cm)SOC数据为辅助变量,分别以36个及24个下层(10~20 cm)SOC数据为目标变量,分别进行普通克里格、协同克里格及OKR插值分析。

A new ZVS-ZCS ARCPI (auxiliary resonant- commutated pole inverter) is proposed to solve the problems, such as extra loss from auxiliary circuit, variable commutation duration, and delicate reliability etc., which exist in other ARCPIs.

辅助谐振换流逆变器拓扑结构中存在着诸如由辅助换流回路损耗引起的转换效率低、由负荷电流变化引起的变辅助换流周期和稳定性差等问题,为此提出了一种基于变压器辅助换流的新型ZVS-ZCS逆变器。

Although the Preissman scheme of KP equation is multisymplectic, it took too efforts to realize, Hence we elimate the auxiliary variable by a trivial computation and obtained the multisymplectic forty-five points scheme of KP equation. And then, we test this forty-five points scheme on soliton and solitary waves over long time intervals, the numerical results shows the propagation and interact of soliton and solitary waves.

但是在实际的数值实验中,由于需要计算共轭动量的值,Preissman格式需要占用的计算内存比较大,计算时间比较长,因此我们在数值格式中消去共轭动量,最后得到与多辛Preissman格式等价的一个多辛45点格式,我们用这个格式进行了数值实验,数值实验结果很好地显示了孤立子和孤立波的传播与碰撞。

Provable Security is a formal method for proving the security of cryptographic schemes, in which the difficulty of breaking a particular scheme is formally related to that of solving a widely believed computational hard problem. Provable security has already become an important theme of theoretical researches in modern cryptography. This dissertation investigates the provable security of public-key encryptions and hybrid encryptions of asymmetric and symmetric encryptions. This includes the various formal security notions and the constructions can be proved to achieve them. Among the constructions, hybrid encryptions are themselves an important way to obtain public-key encryption schemes with chosen ciphertext security. The main results are as follows:(1) The one-wayness of the trapdoor one-way function in NTRU depends on the randomness of the session key, which is different from previous ones. Based on this observation, a new kind of trapdoor one-way function, trapdoor one-way functions with an auxiliary random variable is proposed.

可证明安全性是一种证明密码学方案安全性的形式化方法,它将密码学方案的安全性归约为公认的计算难题,已成为现代密码学领域中理论工作的主线,本文主要研究公钥加密与单双钥混合加密的可证明安全性,这包括它们的各种形式化安全性定义以及达到这些安全性定义的方案构造,而单双钥混合加密本身也是一种构造选择密文安全公钥加密的重要方法,本文得到的主要结果如下:(1)在研究NTRU公钥加密的特殊性基础上,对于公钥加密的陷门单向函数加密模型进行了扩展,提出了具有辅助陷门单向函数的概念,并将其扩展到多元的情况,讨论了可能的密码学用途。

Based on the analysis of the mechanism of robot manipulators, a trajectory tracking controlling research model is first built up with ADAMS, and its mathematical model is formulated through the study of robot kinematics and dynamics. After the modeling errors are analyzed in practical robotic systems, a conception of centralized error is brought forward according to the theory of weighting functions. In the case of modeling errors' exist, the robotic uncertain model is derived by introducing an auxiliary control variable into inverse dynamic analysis. The control strategy of robust exponential convergence is applied to the robotic uncertain model, the applicable conditions and the applicable controller with this application are presented. The stable control effect under three main model uncertainties (parametric errors, joint disturbs, joint frictions) are systematically studied on the previously built research model. The problems of robust exponential convergence controller which often results in unstable output and so produces a large relative error when the input trajectory is in a small range are resolved by adjusting the control parameters based on the controller's structure.

本文在机械手的机械结构分析基础上,利用ADAMS建立了用于机械手轨线跟踪控制研究的机械手模型;通过对机器人运动学和动力学问题的研究,建立了机械手研究的数学模型;分析了机器人系统中模型误差的主要来源,根据加权函数法分析,提出了模型集中误差的概念;在存有模型误差的情况下,采用逆动力学结构并引入辅助控制量,由机器人误差模型推导了机器人非确定性模型;提出了采用鲁棒指数收敛法对上述机器人非确定性模型进行鲁棒镇定的控制策略,并给出了对机器人进行鲁棒指数收敛控制时系统不确定因素应满足的匹配条件;针对机械手研究模型,深入研究了鲁棒指数收敛控制器对机器人系统中常见的模型参数误差、关节扰动、关节摩擦等不确定因素的镇定控制效果;针对鲁棒指数收敛控制器易产生控制量振荡的问题以及在小范围内系统轨线跟踪的稳态误差过大问题,本文分别提出了基于控制器结构的控制参数调整法和基于轨线跟踪范围大小的控制参数分段切换法。

Based on study of relationship between the average quadric error and the surface curvature, a variable resolution surface reconstruction algorithm was proposed.

在研究平均二次误差与曲面曲率关系的基础上,提出了变分辨率的曲面重建算法。

Secreted variable lymphocyte receptors form pentamers or tetramers of dimers bind antigens with high specificity and avidity.

分泌型的VLRs以四聚体或五聚体的形式识别、结合特异性抗原。

In studying the linear response of the dressed quark propagator in the presence of the variable external field, we derive a general expression for the vacuum susceptibility, based on the two-point external field formula in the Quantum Chromodynamical sum rule. The expressions we have derived for the calculation of vacuum susceptibility are model independent. Then we use the expressions to calculate the renormalised axial vector, vector and tensor vacuum susceptibilities.

接下来在研究夸克传播子在外场中的线性响应时,我们利用QCD求和规则两点外场公式推导出了一般的计算真空磁化率的公式(以变化的轴矢量外场为例),我们这里推导出的真空磁化率的计算公式是模型无关的。

Design of Variable Structure Control to suppress transverse vibration of axially moving cantilever beam.

设计了轴向运动悬臂梁趋近律方式下的变结构控制。

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推荐网络例句

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候,里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色,卵在发育96h后卵基本全部孵化。

There was a conflict between plebs and patricians in ancient Rome in 494BC.

在公元前494年,罗马发生了一次平民反对贵族的斗争。