系统性能指标 meaning in English
performance index of system
system performance index
Examples
- This paper is a study on test scheme of performance indexes in an o - e stabilized system that can support several sensors . the system is driven by a muti - loop controlling unit which supplies signals to track / piont target and to stabilize the line - of - sight ( los ) , while moving , with high accuracy
本文是关于包含多环控制的多传感器光电稳定系统性能指标测试方法的研究。该系统能够在运动状态下提供高精度的控制信号进行对目标的跟踪和瞄准线的稳定。 - The traditional evaluation systems based on the technology and economic theory are not fit for the evaluation of the erp project success . how to estimate the erp projects successful or not and the degree of the success is a problem attentioned by researchers and prctisers in a long time . the purpers of this paper is building a formwork about erp success evaluation based on busyness targets , this research can be used to estimate the enterprese erp systems after the projects have been finished , which reality
本文首先对该领域中信息系统成功评价与erp成功评价的研究现状进行了回顾,然后深入分析了erp成功评价的特点,指出了erp成功评价的复杂性,在此基础上提出了一个新的erp系统成功评价模型,开发了一套完整的企业信息系统成功评价指标体系,将erp成功评价分为系统本身性能和基于对erp预期目标的商业利益评价两个部分,评价结果最终由两个部分的评价结果综合确定,然后本文进行了企业问卷调查,通过对得到的数据进行分析采用层次分析法对系统性能指标的权重进行设置。 - First , according to the orthonormal quality and the rational choice of working point of the sonar array three shafts frame , the structure of the models is predigested preliminarily ; secondly , according to the quality indexes and the coupling quality between frames , relatively small quantum is neglected . so the complex non - linear coupling models of the sonar array are predigested farther ; lastly , considering the characteristic of the model coefficient matrix , the methods of the low rank polynomial approach and the error simulation are introduced . so the models are predigested again
首先从声纳基阵框架结构的正交性和工作点的合理选择出发，使模型的结构得以简化；其次根据系统性能指标及框架间耦合性强弱，忽略相对小量，对声纳基阵复杂的非线性耦合模型进一步简化；最后考虑模型系数矩阵的特点，运用低阶多项式逼近和误差仿真的方法，实现了对模型的再次降阶简化处理。 - A method of fuzzy optimization design based on genetic algorithm is presented as a new method of parameter optimization design for dc double closed loop speed adjusting system . the method covers three steps . firstly , speed overshoot rate and settling time are chosen as performance indice according to the demand of engineering . these indice are normalized by using fuzzy membership function and then weighted to form objective function of optimization model of the system . secondly , the dynamic response curve of the system with corresponding parameters and peoformance indice are obtained by computerized numerical calculation and simulation . finally , parameters of engineering design are expanded as searching space ; and parameters of speed regulator and current regulator are taken as genes in chromosome . these genes in searching space are optimized to get best solution by way of genetic algorithm . as shown by experimental results , the parameters designed by this method are capable of significantly improving performance indice of the system , which proves that it is a practical and effective method
提出一种基于遗传算法的直流双闭环调速系统参数优化设计方法.根据工程技术的要求，选用速度超调量和过渡时间作为参数优化性能指标.将该指标用模糊隶属度函数归一化，再加权平均形成系统优化模型的目标函数.采用计算机数值计算方法，通过仿真获得系统对应参数的动态响应曲线及其性能指标.最后以工程设计的参数为搜索范围，以速度调节器和电流调节器的参数为染色体中的基因，通过遗传算法在搜索范围中优化这些基因，获得优化解.实验结果表明，所设计的参数能使系统性能指标有显著提高 - The parameters of the long - range remote control receiving system are analyzed and simulated thoroughly , such as the signal to noise ratio ( snr ) at the receiver , the delicacy of receiver , auto - gain and band - width of the pass - band . then the important references are provided for the design of long - range remote control receiver
分析了远程遥控接收系统的参数如接收机输入信噪比、接收机灵敏度、自动增益和接收机通带带宽等，并对遥控接收系统性能指标进行了估算，为远程遥控接收机的设计提供了一定的理论依据。