Parallel Computation Technique for Static R-tree Index Based on Partition Technology 基于分区技术的静态R树索引并行计算技术
This machine is used to seat the slippery course of various indexes of dynamic durability test and static index test. 本机台对座椅的滑轨的各项指标进行动态耐久试验及静态指标的测试。
Relationship Between Static Voltage Stability Index Based on LDU Factorization and Load Bus Sensitivity 基于LDU分解的电压稳定指标与负荷节点灵敏度的关系
Simulation results of IEEE 30-bus system show that the calculation of the proposed nodal static voltage stability index is simple and rapid, so it can be used in real-time monitoring of power system operating condition. IEEE30节点系统的仿真结果表明所提出的节点静态电压稳定指标计算简单快速,可用于电力系统运行状态的实时监视。
Bases on the finite element model, this paper presents a comparative study of the applicability of the frequency changes ratio index, the modal curvature difference index and the static strain difference index for damage detection in suspension bridges in the absence of noise. 依据精细的悬索桥有限元模型,分析比较了在无噪声情况下频变比指标、模态曲率差指标和静态应变差指标对悬索桥不同位置损伤的适用性。
Chongqing industry structure is analyzed from the static multi index by applying the analytic hierarchy process ( AHP) and forcasted from the dynamic single index by using the optimal combinatorial forecasting model. The scientific conclusion about chongqing superiority industry choice is reached through combining qualitative analysis. 分别运用层次分析模型和最优动态组合预测模型对重庆市工业结构进行了多指标静态分析和单指标动态预测,并结合定性分析,科学地得出了重庆市优势工业选择的结论。
The MATLAB simulation results show that the scheme provides the control system the stronger robustness and better control quality, and improves its dynamic and static performance index. 仿真研究表明,这种方案使汽包水位控制系统具有较强的鲁棒性及良好的控制品质,提高了系统的动静态性能指标。
A new nodal static voltage stability index in which the load fluctuation can be considered is proposed. This index can reflect the probability of node static voltage collapse, and then the weak node of power system can be identified. 提出了一种可以考虑负荷波动的节点静态电压稳定指标,该指标可以表示节点静态电压崩溃的概率,进而识别出系统的薄弱节点。
The dynamic and static performance index is greatly improved through decreasing quantization errors and combining with PI controller that operate nearby set point. 同时,通过削弱量化误差以及在设定点附近引入PI补偿控制器,提高了系统的动态、静态性能指标。
Furthermore, by distinguishing two different types of key attribute, an algorithm is presented that utilizes static attribute index as the value of HASH function, and utilizes dynamic attribute index as searching keyword to construct the model. 在此基础上,通过区分两种不同类型的关键属性,进一步提出了以静态属性索引HASH函数值和动态属性索引值作为查找关键字的模型构造算法。
On the basis of those results, a practical damage detection method for the suspension bridge is put forward combined with the frequency changes ratio index, modal curvature difference index, the vertical bending vibration mode and the static strain difference index according the damage cases. 在试验的基础上,提出了根据损伤类型来综合运用频率变化比、主梁竖弯振型模态曲率变化以及静态应变差进行悬索桥的损伤定位的方法。
Credit index system was constructed with being classified into static index and dynamic index. 在提出静态指标和动态指标分类法的基础上,构建了信用评价指标体系。
Based on the triggering conditions, this paper presents the method of determining the critical void ratio of the occurring of static liquefaction and recommends adopting the static liquefaction safety index to assess the result of static liquefaction. 文中提出根据触发条件确定发生静力液化临界孔隙比的方法,并建议采用静力液化安全指数评价静力液化后果。
The static drape index of two tester's results has negative correlation. Knitted fabrics have more waves than woven fabrics, and have better drape. 实验结果表明YG811型与LFY-21型织物悬垂仪,静态直读悬垂系数的测试数据存在线性相关,且是负相关,相同原料的织物,针织物的波纹数多,即悬垂性好于机织物。
The relativity of strength index between static and dynamic test of loess is analyzed, and some experience formulas of ascertaining dynamic strength index according static strength index are advanced. 分析了黄土静、动强度指标之间的相关性,提出了用黄土的静力强度指标推求相应的动力强度指标的经验公式。
We develop a matching software by using visual software VB6.0, which have some radical functions of measuring roll, static index and shape in line. 利用可视化软件VB6.0开发了一套配套的板形检测实验软件,该软件具有检测辊动、静态特性标定和板形在线显示等一些基本的功能。
Characteristics of these index structure suited to index based on main memory and index based on Auxiliary Memory, static index and dynamic index are discussed. 理论分析了这些索引结构在适应内存索引和外存索引、静态索引和动态索引、存储效率、查询效率、更新效率等方面的特色。
Auto kinetic control system was adjusted by PID and roots locus methods in the condition of MATLAB. There out, the static index ( steady-state error) and the dynamic index ( overshoot and rise time) of auto kinetic control system can be fix on. 在MATLAB环境下对汽车运动控制系统进行PID和根轨迹的设计和校正。由此,确定汽车运动控制系统的期望静态指标(稳态误差)和动态指标(超调量和上升时间)。
Through the calculation of different static index and dynamic index, find that this project may be a good profit project. 通过各种静态指标和动态指标的计算,可以认为本项目具有较好的盈利性。
A control system is usually supposed to be a definite model in the traditional control system. So the model is created as an accurate one and the controller is designed according to the dynamic and static performance index. 传统的控制系统设计一般假设系统是确定不变的,从建立系统精确模型开始,根据要求的动静态性能指标设计控制器。
Basing on activity this costing method use static monetary index, it hardly reflects the consumption of resources and strengthens the cost management dynamically. 由于基于作业的成本核算方法所提供的信息仅限于静态的货币指标,所以难以清晰地反映资源消耗的情况,不能动态的强化成本管理。
The system consists of three levels of study, including the static single indicators measurement, the static OCA index model and dynamic endogenous constraint test. 该体系包括三个研究层次,分别是静态单一指标衡量、静态OCA综合指数模型衡量和动态内生性约束检验。
This paper carries out the static simulation analysis to sensor, and gets sensitivity and linearity etc static performance index of sensor. 对传感器进行了静态特性仿真分析,得到了传感器灵敏度和线性度等静态性能指标。
In this paper, static voltage stability index is added to the objective function of the optimal power flow. 为此,本文将静态电压稳定指标加入到最优潮流的目标函数中。
So far, there are hundreds of static balance function index. The test posture has the difference respectively. And the evaluation criteria have different explanations too. But there is no key index to reflect the overall balance function. 迄今为止对静态平衡功能的评定指标也多达百余种,测试姿势各有不同,评价标准说法不一,但尚无有针对性的能反映整体平衡功能的关键性指标提出。
As a specialized precision equipment, it must have good static, dynamic index. Good property index is directly related to the simulation and testing in credibility and reliability. 作为一种专用的高精度的仿真测试转台,必须要求其具有良好的静、动态指标,良好特性指标直接关系到仿真和测试实验的置信度和可靠度。
Nonlinearity, sensitivity, hysterisis error etc static performance index of the sensor were obtained by the static calibration. 通过静态标定,得到了传感器的非线性度、灵敏度、回程误差等静态性能指标。
Then it abstracted the mathematical model of permanent magnet synchronous motor through analyzing its rotor magnetic circuit structure and provided the dynamic and static index for system speed controlling. 通过分析永磁同步电机本体转子磁路结构,抽象出永磁同步电机数学模型。给出调速系统的动、静态指标。
When Trojan detection is performed, PE file which be detected will be matched with the extended attack tree. We use appropriate calculation methods to calculate the static risk index. 执行木马检测时,将待检测的PE文件与木马扩展攻击树进行匹配,并运用相应的计算方法计算出其静态危险指数,通过比较静态危险指数的大小对目标PE文件是否为木马做出判断。