Creep Performance Prediction Method Through Short-term Stress Relaxation Tests 基于短时应力松弛试验的蠕变行为预测方法
Wind turbine unsteady aerodynamic performance prediction based on the vortex wake method 基于涡尾迹方法的风力机非定常气动特性计算
Simulations demonstrate its superior performance to the subspace method and linear prediction method whether SIMO channels have common zeros or not and the zeros lie within the unit circle or not. 仿真试验表明不管SIMO信道是否包含公零点,也不管零点是否在单位圆内,本文算法都表现出超越于子空间法和线性预报法的优良性能。
This paper introduces the performance rule prediction for water withdrawal in gas production in water drive gas reservoir, using the material balance method. 本文介绍了应用物质平衡法进行水驱气藏排水采气动态规律预测的方法。
A performance prediction and development method for single program multiple data ( SPMD) parallel software was developed based on parallel software modularization technology to enhance performance analyses of parallel software algorithms. 为了提高预测并行软件性能的准确性和并行软件的开发效率,提出了一种基于单程序多数据流(SPMD)并行应用软件模块化技术的性能分析预测和并行软件辅助开发方法。
A Performance Prediction Method for Active Noise Control System 噪声有源控制系统的性能预测
Performance prediction method by CFD of two special types of pumps 两种特殊类型水泵CFD性能预测方法
A LOSS AND DEVIATION MODEL FOR TRANSONIC AXIAL COMPRESSOR PERFORMANCE PREDICTION An improved streamline curvature numerical method is modified and applied to better approximate the flow fields of multi-stage transonic axial compressors. 一种适用于超跨音叶型的非设计点损失和落后角模型本文采用改进的流线曲率法对跨声速多级轴流压气机非设计点进行了性能模拟。
Based on non Newtonian liquid mechanical theory, seepage flow mechanics and production technology the inflow performance prediction expression of electric pump producers and pump selection method of pump production for polymer flooding are given in this paper; 根据非牛顿流体力学理论、渗流力学和采油工艺原理等知识,给出了电泵井油井流入动态预测公式及聚驱电泵采油选泵方法;
System performance degeneration and fault occurrences will cause the time constant variations and parameter alterations of each element. Therefore, it is possible to realize the performance prediction and condition monitor as well as fault diagnosis for steam turbine governing system, using the parameter identification method. 调节系统性能的退化和故障的发生,首先表现在系统各个组成环节的参数的变化上,因此通过参数辨识可以实现汽轮机调节系统的性能预报、状态监测和故障诊断。
Performance prediction method for parallel software based on single program multiple data 基于单程序多数据流并行软件的性能预测法
Propeller performance prediction with free wake analysis method 螺旋桨性能的自由尾涡分析法计算
This research is useful in predicting of the hydrodynamic performance and in enhancing the prediction precision of the propeller by using High-Order Surface Panel Method. 本论文的研究为高阶面元法预报螺旋桨的水动力性能打下了一定的基础,对进一步提高面元法预报的精度具有一定的实用意义。
Performance prediction method of Web application based on combined stress testing 基于联合压力测试的Web应用程序性能预测方法
In Marine and Ocean engineering area, the performance prediction is very important, and model test is an efficient method to carry out this prediction. 在舰船及海洋工程领域里,性能预报是非常重要的,而模型试验是完成这种预报的一种有效方法。
This system can also be used as a modul software in any comprehensive powering performance prediction method. 本系统还能作为快速性预报应用软件中的一个功能模块。
To implement stall margin customizing, two-dimensional performance prediction method of axial compressor for stall margin customizing was developed. 为实施裕度定制,本文开发了能够体现裕度定制思想的轴流压气机二维特性预估方法。
Application experience has been shown that both methods have good prediction performance in which the ANN method has better prediction performance in comparison with multiple regression method. 实践表明:两种模型对毛条的豪特长度、长度变异、短纤维含量和精梳落毛率均能进行较为准确的预测,其中人工神经网络预测模型预测效果优于统计回归模型。
The performance prediction method for the fan/ compressor of aero-fan engine is an important technology within the design system of aero-engine. 涡扇发动机风扇/压气机部件的性能预估方法,是发动机设计体系中一项重要的技术;
Enterprise Safety Produce Economy Performance Analysis and Prediction Method Research 企业安全生产的经济效益分析及预测方法研究
Two-dimensional Performance Prediction Method of Axial Compressor for Stall Margin Customizing 体现裕度定制思想的轴流压气机二维特性预估方法
In this paper, a performance prediction method is investigated for active noise control system? Based on active noise control principle, data measured both primary sound field and secondary transmitted channel are used to design and predict the control system. 研究有源噪声控制中系统性能的实验预测方法,通过原理分析表明利用原始声场和次级声通道传递函数测试数据,能够预测有源噪声控制系统的性能并优化设计系统;
It can be concluded that the presented performance prediction method is very important and available for decreasing the model runner test times and shortening product development period. 结果表明所提出的混流式水轮机性能预估方法应用于水轮机的水力设计和改造中,可以减少模型试验次数和缩短产品开发周期。
However, the performance of universal prediction based side information estimation method is not good enough when there are obvious inter-frame motion. To overcome this, this paper proposes a new improved universal prediction based side information estimation method. 但基于通用预测的边信息估计方法,当视频中存在较明显帧间运动时其估计性能不好,为此,本文在原来方法的基础上提出了一种新的改进方法。
By making a deep research into the grid task scheduler based on the ant algorithm, the author brings forward a simple and effective performance prediction method based on the ant algorithm to support the load balance. 通过对基于蚂蚁算法的网格任务调度方法进行分析和改造,提出了基于蚂蚁算法的性能预测方法以进行简单高效的性能预测,为负载平衡提供支持。
Especially, the study on the aero dynamical performance analysis and prediction and design method of the wind turbine rotor is taking more and more attention of domestic and oversea scholars. 风力机风轮气动性能分析、预测及叶片设计方面的研究也成为当今国内外学者研究的热点。
The fifth chapter expounds the mine environment management performance prediction method and procedure, has established good index system, through the rough sets theory of attribute reduction method, reduction the evaluation index number, again through the neural network prediction of performance analysis. 第五章阐述了矿山环境治理绩效预测的方法和步骤,用已建立好的指标体系,通过粗糙集理论中的属性约简方法,约简了评价指标个数,再通过神经网络进行绩效的预测分析。
The third chapter is mine environment management performance evaluation and forecasting method choice of part, first to tradition and the development of the evaluation and prediction method is introduced. 第三章是矿山环境治理绩效评价与预测方法的选择。
And a variety of distributed systems for the distribution of tasks under the guidance of the actual method of operation results were compared, network performance indicators is the best prediction method for the task of scheduling. 以及对多种分布式系统任务分配的方法指导下实际运行的效果进行了对比,得出网络性能指标指导预测效果法为最佳的任务调度方法。
In addition, through the establishment of the mechanics performance prediction model of coir fiber reinforced unsaturated polyester, an effective method for the mechanical properties of composite evaluation system has been provided. 另外,通过椰纤维增强不饱和聚酯的力学性能预测模型的建立,为完善天然纤维复合材料的力学性能评价体系提供了有效的方法。