查询词典 dynamic system

According to the shipping characteristics of Shanghai Huangpu River, ferry bridge is moored on river by dynamic positioning equipment, in which electrical propulsion is adopted in thruster of dynamic positioning system.

鉴于上海黄浦江的航运特点，确定使用动力定位装置将舟桥固定于江面及岸边，动力定位系统的推力器采用电力推进。

Chain-grate bed temperature field is a large inertial, nonlinear and time delays controlled system.Its math model is not easy to figure out.Three Fuzzy-PID controllers are presented in this paper based on the dynamic character of fuzzy control and the static character of PID control.They are simulated via combining fuzzy logic toolbox with Simulink.The simulation result shows that they have better characters both in dynamic and static than general PID controller.At the same time, they have better robustness...

链篦机篦床温度场是大惯量、非线性、纯滞后的系统，其数学模型具有较大的不确定性；为实现其精确控制，结合模糊控制和PID控制各自在动态响应和稳态精度上的优势，提出了三种模糊PID控制器；利用Matlab的模糊工具箱和Simulink对三种控制器和常规PID控制进行了仿真比较；仿真结果表明，三种模糊PID控制器与常规PID控制相比具有良好的控制品质和较好的适应性。

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

Diabetes is a social disease that affects several million people worldwide.

糖尿病是一个社会性疾病，全世界有数百万人罹患此病。

I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.

我星期五会给您打电话在您方便的时候我们重新安排我们的午餐约会。