empiric formula meaning in Chinese
经验方式
经验公式
经验式
Examples
- The test of the q2 rescaling parameters ' empiric formula of the double q2 rescaling model
2重标度模型重标度参数经验公式的一个检验 - The temporal , spatial and frequency - field characteristics are discussed . the validity of the corresponding empiric formula is analyzed and the atmospheric effects and correction method are investigated in the data analysis of the ground - based observations . the atmospheric effects on the gravity observations are analyzed and detected using the gravity data recorded with the superconducting gravimeters at the global geodynamic project ( ggp ) stations
利用实测地面气温、气压资料获得大气负荷效应时间序列的数值结果，研究大气影响的时间、空间和频率特征，分析经验公式的有效性，研究地面观测和数据分析大气影响和改正的方案；利用ggp台站超导重力观测资料，分析检验大气重力影响；分析igs台站大气位移改正的可能性 - The efforts to be shown in the paper include : building on the mathematics model of electro - hydraulic shaking table , after the analysis of the dynamic characteristics of electro - hydraulic shaking table the conclusion that it is essentially non - linear is drawn ; according to the aforementioned characteristics and with the view to the actual research object , we present the outline of the system design and criteria of the electro - hydraulic shaking table servo - controller ; due to the research object we practically work over two control strategies and correspondingly scheme out two controllers , which is pid controller and human simulating intelligent controller based on ziegler - nichols parameters - adjust empiric formula ; we develop electro - hydraulic shaking table servo - controller , constitute entire hardware system platform and accomplish the correspond codes of the software which combine to complement its most functions ; the simulation of the adjust stability of controlling system and servo trailing control has been made by matlab , which compares the simulation results of the behavior of pid controller and human simulating intelligent controller
本文的主要工作包括：从电液伺服控制系统的数学模型入手，对电液伺服控制系统的动态特性进行了分析，得出了其非线性本质的特点；根据电液伺服控制系统的上述特点，结合具体的电液式振动台研究对象，提出了电液伺服控制系统的设计要点和振动台伺服控制器的设计指标；结合研究对象，具体研究了控制器的控制策略，设计了两类控制器，即基于ziegler - nichols参数整定经验公式的pid控制器和仿人智能控制器；开发了电液式振动台伺服控制器，建立了完整的硬件系统平台并完成了相应软件的编写，实现了主要的控制功能；对控制系统的稳定调节控制和伺服跟踪控制进行了matlab数字仿真，对pid控制器和仿人智能控制器的控制行为分别进行了仿真实验并做了比较。