查询词典 dynamic system

In conventional ultrasound imaging system, the design of dynamic filter needs the center frequency of the near field and far field first, which were calculated using the linear sound field model. Then the frequencies are used to determine the factors of the dynamic filter for every section of the echo.

在传统超声成像的动态滤波器设计中，需首先按线性声场模型计算出近场及远场回波的中心频率，据此确定出动态滤波器在接收过程中各段的滤波器系数。

Using the model of finite dynamic game and extended dynamic game, the paper establishes the optimal incentive system of land trust protection mechanism.

通过有限动态博弈模型与扩展的动态博弈模型，研究建立农村土地信托保护的最优激励机制。

The main contents of this dissertation achieved are to start with the essence of dynamic traffic flow information collection technology, establish the function of the Dynamic Traffic Flow Information Collection Systems, and set up useful system architecture, then research the space collocation problems of the fixed detection and the sample problems of the floating detection.

由于固定型检测器的空间布置密度对交通流特性描述的准确性和可靠性有显著的影响，因此，本文设计了固定型检测器的空间布置原则和工作步骤，利用微观模拟仿真的方法对检测器的空间布置间距进行优化，在保证ATMS对基本交通流信息需求的前提下，尽可能降低动态交通流信息采集的成本。

Firstly, dynamic equations?mathematics modal of a fighter and a bomber has been built and some solutions of the dynamic equations have been acquired in the paper. Secondly, a flight simulation vision system has been set up which can display flight status and flight parameters of the simulated airplane.

首先，本文建立某歼击机及某轰炸机的六自由度运动方程的数学模型，并做了一些求解运动方程方法的探讨，在完成运动方程求解的基础上创建模拟视景系统，用于显示飞机的即时位置及飞行姿态和各种飞行参数。

The tests have Simulated the rainstorm state and the order state, and the results indicated the disposal of microorganisms-aquatic plant system is efficient. The optimization removal rate time was ascertained under the static state test, in dynamic test, comparing and analyzing the effect on removal rates of different concentration wastewater. The results showed, without aeration, the removal rate of CODCr, TN was 85.9%,75.1%, respectively, the highest removal rate of TP was 64.6%, and the concentration of DO increased steadily from 2mg/L to 7mg/L during experiment. In dynamic test, the microorganisms-aquatic plant systems have also appeared better effect on freshet, and the removal rate of TN,TP and CODCr, was 64%,69% and 81%, respectively.

利用接种高效微生物菌剂促进填料快速挂膜，并和水生植物联合作用去除水体中的氮磷等污染物，在静态水体下研究达到最佳去除效率的时间，并在连续流试验下对比分析不同浓度下的去除效率，根据静态模拟试验结果表明，在不曝气，自然复氧条件下，CODCr和TN的最终去除率分别为84.3%和71.4%，TP最高去除率为62.9%，DO也从2mg/L稳定的升高到7mg/L左右；在连续流模拟试验结果表明，该系统对雨后入湖的河水中TN、TP及CODcr的去除率分别稳定在近64%，69%和81％以上。

Based on the study of modern dynamic and combination of landform, tidal inlet is classified by dynamic geomorphology system.

在现代动力作用和地貌形态组合研究基础上，进行了潮汐汊道动力地貌学分类。

Based on the study of modem dynamic and combination of landform, tidal inlet is classified by dynamic geomorphology system.

在现代动力作用和地貌形态组合研究基础上，进行了潮汐汊道动力地貌学分类。

With these template operations, global dynamic dictionaries for a data integration system can be constructed just by operating on dynamic dictionaries of local data sources.

如果缺少模式，这些工作将变得十分困难。斯坦福大学正在研制一个管理半结构化数据的数据库系统Lore［3］，Lore中使

The coupling effect between elastic deformation and the rigid motion was concerned in the dynamic equations. At the same time, the flexible manipulators were assumed as Euler-Bernoulli beams, the elastic deformation of the manipulator was represented by modality truncation equations, both elastic and gravitational potential energy were considered to calculate the total energy for whole system, therefore the finial dynamic modeling is more accurate and simple than others published.

该方法考虑了柔性机械臂刚体运动和弹性变形之间的耦合影响，并将柔性机械臂假设为一段Euler-Bernoulli梁处理，将弹性变形用截断模态方程表示，同时考虑了弹性势能和重力势能的影响，得到的双连杆柔性机械臂的动力学模型具有模型准确、结构简单等特点。

At first, with the low-frequency data measured, three of the LRE fault detection systems for the real-time condition are proposed using the nonlinear identification technology of the BP neural network, the state estimation technology of the dynamic neural network, and the pattern recognition technology of the fuzzy hypersphere neural network. The learning algorithms of the BP and dynamic neural network are researched at the same time. Furthermore, while the engine operation is divided into the start and steady-state processes, the real time ability, the response time, the accuracy, the robustness, the sensitivity and the monitoring parameter optimization are studied. In the test data analyses of the YF-75 engine, the detection system correctly carried out for all normal tests, and in the three abnormal tests the engine faults were accurately forecasted.

首先，基于低频测量数据，采用BP神经网络的非线性辨识技术、动态神经网络的状态估计技术及模糊超球神经网络的模式识别技术，提出了三种发动机故障实时检测系统；同时研究了BP神经网络和动态神经网络的学习算法；另外还把发动机工作分为启动过程和稳态过程，分别讨论了神经网络故障检测系统的实时性、及时性、准确性、鲁棒性、敏感性及参数优化问题；在YF-75发动机试车数据分析中，不仅全部正确地监测了正常试车过程，而且准确地预报了三次异常试车中的发动机故障。

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。