| 1. | But vector control strategy ca n ' t effectively overcome parameters changing of motor and load , and random disturbance 但是,矢量变换控制难以解决电动机内部参数变化和负载变化而引起的控制问题。 |
| 2. | One of the important hypotheses of classical linear regression model is that the random disturbances have equal variance 经典线性回归模型的一个重要假设就是回归方程的随机扰动项u _ i ,具有相同的方差,也称同方差性。 |
| 3. | A new coupled - mode theory based on scalar modes is presented for the anisotropic waveguide with random disturbance via helmholtz equation and a modified dielectric tensor 摘要从亥姆霍兹方程出发,得到了各向异性光波导在弱导近似下的耦合模理论。 |
| 4. | The device sends out various random disturbance signals to the balancing valve circuit of the hydraulic system for the radial head check gate operating at the worst condition by using a computer 模拟实验装置根据工况最为恶劣的弧门启闭机液压系统的平衡阀回路制作,采用计算机随机给出各种干扰控制信号。 |
| 5. | For eliminating random disturbance in the measurement system of dielectric loss , elaborates application on the theory of hard threshold value de - noise based on the wavelet transformation in the measurement system 针对介质损耗测量中存在的随机干扰,阐述了基于小波变换的硬阈值消噪理论在测量系统中的应用。 |
| 6. | Abstract : the application of unknown input fault detection observers ( uifdos ) to the diagnosis of electronically controlled systems in automotive engines with unmeasurable load torque and random disturbances is presented in this paper 文摘:针对汽车发动机电控系统负载不可测且存在随机干扰的情况,采用基于数学模型的未知输入故障检测观测器方法,研究其故障诊断问题。 |
| 7. | Simulation results show that the controller has dual property : on one hand eliminating the uncertainty of system parameters through learning and on the other hand , coping with the random disturbance , thus preferable parameter estimation results and control objective are achiered 仿真表明:控制律一方面通过学习可消除系统参数的不确定性,另一方面可有效的对付环境的随机干扰,从而能够获得较好的辩识结果与良好的控制目标。 |
| 8. | Substantively , the complexity that water level is influenced by all of the factors and their strong nonlinear random disturbance . for controlling the variance of model error to reduce the errors , we need to separate the market random disturbances from the random error 实质上冲淤河道水位表现的复杂性是由于其中存在着很强的非线性随机扰动,因此需要有效分离出显著性随机扰动,以抑制模型误差的方差,达到减小误差的目的。 |
| 9. | In the first part , it discusses how to avoid the random disturbance in the integrated navigation system . the mathematical model of this system is established and the system is simulated with the help of kalman filter and federal filter . the results of the simulation show that both kalman filter and federal filter are effective 第一大部分是讨论怎样消除随机误差对船舶组合导航系统的干扰,主要建立了dr / gps /劳兰c船舶组合导航系统的数学模型,并用集中式卡尔曼滤波算法和联邦滤波算法对其进行了仿真,验证了算法的有效性。 |
| 10. | So it can resolve the geology problems . this method has the character of reconnoitering deeply , high ability of penetrating high resistance layer , little random disturbance , observing both far and near , observe in different time windows , receiving the geology information in different depth . so this method is widely used in source exploration and engineering measure 该方法以其具有勘探深度大、穿透高阻层能力强、随机干扰小、可以在远区观测、亦可以在近区观测、选择不同时窗进行观测、可以获得不同深度的地质信息等优点,被广泛的应用于资源勘探和工程勘察领域,成为引人注目的地球物理勘探手段之一。 |