| 1. | Then , the model of house is set up with system identification method after the model has been analyzed in theory 根据所建立的数学模型对阶跃响应的仿真结果和实测温度进行比较,从中可以选择所需精度的数学模型。 |
| 2. | In this thesis we present impulse response extraction by wavelet when using step input , and the results are quite satisfactory 本文还用小波方法对阶跃激励下脉冲响应函数的提取做了仿真研究,取得非常满意的效果。 |
| 3. | In this paper , that using experimental mode data to modify calculating model is taken as the research object 摘要以实验模态数据修正降阶模型为研究对象,由于所测量的特征对阶数通常小于模型阶数,造成了特征方程为超越方程。 |
| 4. | The transmitter reaches performance index within power up 2 s , the response time of which analog output respond to step input can be selected by user 036 s 变送器加电2秒内达到性能指标模拟输出对阶跃输入变化的响应时间是由用户选择的一个时间常数036秒。 |
| 5. | Based on the compensated open - loop transfer function , the system stability at the small - signal perturbation and the system response to step signal are analyzed 根据加入补偿网络后的开环传递函数,分析了系统在小信号扰动时的稳定情况及系统对阶跃信号的跟踪能力。 |
| 6. | The statistical properties and spatial distribution of the halos emerging from these simulations are in excellent agreement with those of observed galaxies , providing strong support for the hierarchical picture and hence for the existence of cdm 从模拟得到的晕体统计性质与空间分布,非常符合观察所得到的数据,这对阶式结构和cdm的存在,是强而有力的证据。 |
| 7. | Based on the multi - scale representation theory , we present a reduced order model for the solving of the inverse problem . also the relative error covariance matrix is used to analyze the performance of models with different orders ; 4 基于小波多尺度表示理论给出逆问题求解的多尺度降阶模型,同时用相对误差协方差矩阵对阶数不同的降阶模型的估计精度进行分析; 4 |
| 8. | The experiment result shows that by adding this modification algorithm into normal fuzzy controller , overshoot of transition process that system responds to the step signal will be further decreased , and convergent speed will be further increased 实验结论说明,通过在常规模糊控制器加入这种规则校正算法,可进一步降低系统对阶跃输入信号响应的过渡过程的超调量,并提高的收敛速度。 |
| 9. | The essential idea of self - tuning controllers described in this essay is as follows : according to the system dynamics to step variation , to define a performance index to evaluate the system response ; based on the monotonous relationship between the performance index and an intermediate pi gain parameter , this latter parameter is estimated with tuning approach in order to improve the performance index ; finally , pi gains are calculated and renewed according to the estimated intermediate , in order to improve the performance of system 本文所阐述的控制器增益自动校正理论的基本思想如下:按照系统对阶跃信号变化的动态性能确定性能指标来估计系统的响应;基于性能指标和pi控制器增益参数中间值之间的单调关系,为提高性能指标,应用调节方法来估算pi增益参数中间值;最后按照估计的增益参数中间值更新pi控制器的增益以便改善系统的性能。 |