查询词典 affine parameter

The author studied the motion compatibleness of executive system, and built the connection of the motion parameter (motion-stand ratio) that complete "walk paper" craft and the bar dimension of die cutting toggle press mechanism that complete "die cutting" craft.

研究分析了主执行系统运动协调性，建立了完成&走纸&工艺的平行分度凸轮的运动参数和完成&模切&工艺的肘杆机构构件尺寸之间的关系。

A method to identify the damping parameter s of machine joint surface is proposed based on the tested frequency response functions.

提出一种基于实测传递函数矩阵来识别机械结合面阻尼参数的新方法。

The method of finite element discrete and optimal parameter back analysis is adopted.(3) Concentrated on the question of high external water pressure of the deep-lying tunnel, the basic theory and method calculating external water pressure are systematically studied.(4) Based on Jinping cascade 2 hydropower station, numerical simulation rain infiltration of seepage field under different drainage pattern and grouting pattern are studied, also, the high external water pressure is analyzed and studied and some seepage control measures are put forward.

2采用有限元离散—优化法进行参数的反演分析；(3)针对深埋隧洞的高外水压力问题，进一步分析和研究了衬砌水荷载及外水压力的作用机理和计算方法；(4)以锦屏二级水电站深埋长引水隧洞作为本文的主要研究对象，采用考虑降雨入渗渗流场分析的方法对排水方案和灌浆封堵方案不同情况下的渗流场的水头分布进行了数值模拟，并对其外水压力进行了分析和研究，提出了渗流控制的具体措施。

The result shows that the real accuracy of VLBI and GPS geocentric coordinates is within 1cm, and the scale deflection of VLBI and GPS techniques is very little, the result using seven-parameter model to process coordinate transformation is better.

分别采用七参数和九参数模型对VLBI数据和GPS数据进行坐标转换，结果表明，VLBI与GPS的符合精度小于1dm，两种技术所获得的坐标在尺度上的差异很小，七参数的转换结果更优。

the effect of inertia weight on particle swarm optimization is studied,on basis of which adopts four kinds of strategies of inertia weight to regulate the speed of a new quantum delta potential well based particle swarm optimization.a faster and more stabile algorithm,found by comparing the performances of four equations regulated the inertia weight,solves 0/1 knapsack problem.the result of experiment shows that the modified algorithm improves the precision of optimal solution and has a faster speed and a higher efficiency in convergence.in a word,choosing a parameter of inertia weight suitably can improve the performance of new qdpso.

摘 要：在研究惯性权重对基本pso算法影响的基础上，根据惯性权重对粒子群算法影响的特点，采用4种惯性权重策略对一种新的具有量子行为的粒子群算法的速度进行调节，比较每种算法的性能，从中找到一种新的性能更好的改进算法，将其用于求解0-1背包问题。实验结果表明较好地选择惯性权重参数对算法的性能有很大提高，该改进算法在求解0-1背包问题中具有高效性，提高了最优解的精度，同时具有较快的收敛速度。

A new parameter is introduced here to measure the locality of particle distribution. The relationship between local coefficient and particle density is simulated with random updating rule and critical density is measured, which is in conformity with the critical density of the system.

我们引入了一个新的参量局域化系数来度量系统粒子分布的局域性，数值模拟了在随机动力学规则下的局域化系数随粒子密度的变化关系，得到临界密度，结果与解析得到的系统临界密度相符。

This article elaborated BDJ - 1 type portable diesel-driven tamper development project, the main technical parameter and the operating procedure.

论述了BDJ—1型便携式内燃捣固机的开发方案、主要技术参数及操作方法。

Keywords polychlorinated diphenyl ether;density functional theory;position of Cl atom substitu-tion;structural parameter;thermodynamic property;relative stability

多氯联苯醚；密度泛函理论；氯原子取代位置；结构参数；热力学性质；相对稳定性

Problems porduced in the application of manipulator for dipping EPC patterns into coating have been introcuced with effective solutions that an optimal route of manipulator in the space has been designed in accordance with technology requirement of dynamic dipping and mode parameter and machine instruction have been obtained by method of teaching and programming.Hence the whole dipping process being finished by motion of manipulator via controllet.

介绍了机械手在消失模铸造模样浸涂应用中出观的一些常见问题，并提供了行之有效的解决办法结合消失模铸造模样动态浸涂的工艺要求，设计出机械手在空间运行的最佳轨迹，运用示教和编程技法获得机械手运行的模态参数和机器指令，经由控制器驱动机械手抓取消失模模样并完成浸涂涂料的全过程。

In this paper, experimental study (Ma=2.0 of cold flow) on a scramjet combustor model without combustion was carried on direct-connected facility. The effects of inflow parameter, length of isolator and back pressure on combustor and isolator flow field were analyzed and compared. The flow field of combustor was simulated with CFD software and the experimental results were compared.

文中在超燃冲压发动机燃烧室直连式实验设备上，对超音速燃烧室模型进行( Ma ＝2.0)冷流实验研究，比较了不同的来流条件、不同的隔离段长高比和不同的燃烧室出口反压对燃烧室内部流场以及燃烧室隔离段的抗扰动能力的影响，并利用数值模拟的方法对燃烧室内部流场进行了模拟。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48