动态系统之参数估算,范例:利用批式反应器数据做速率常数之最小平方配适,参数灵敏度分析。
Parameter estimation in dynamical systems, example : least squares fitting of rate constants from batch reactor data, parametric sensitivity analysis.
本文提出了一种基于热电偶响应曲线时间常数的动态温度估计方法。
The paper states a dynamic temperature estimating method based on time constant of the response curve of thermocouple.
结果表明,在静态或准静态加载条件下的断裂面分维数近似为一个常数,但在动态(冲击)加载时,分维数随着加载率的增加而明显增加。
The results show that under static or quasi-static loading the fractal dimension DF is nearly a constant, but under dynamic(impact)loading the DF obviously increases with the loading rates.
研究了用电加热法解决用于动态气流温度测量的小惯性热电偶时间常数的实验测定问题。
This paper studies the method of measuring the time constant of the fast thermocouples which are used to measure a dynamic temperature in air flows.
高介电常数薄膜广泛应用于动态随机存储器中。
High dielectric constant thin films have been used in high-density dynamic random access memories widely.
结果表明,被略去的小惯性时间常数对最优励磁控制的微动态稳定鲁棒性有较大的影响。
The results show that the small inertia time constants neglected have a greater effect on the micro-dynamic robust stability of the optimal excitation regulator.
提出了基于动态加速常数和速度自适应粒子群优化的智能故障诊断方法。
It sets up intelligent fault diagnosis based on PSO with dynamic accelerating constants and adaptive velocity.
常数百分递减被广泛用于预测油、气井或油、气藏的未来动态和最终累计产量。
The constant percentage decline is widely used for predicting the future performance and ultimate accumulation production of oil and gas Wells or reservoirs.
复杂意谓它就是那样,非线性意谓递归和更高数学法则,而动态意谓非常数及非周期。
Complex implies just that, nonlinear implies recursion and higher mathematical algorithms, and dynamic implies nonconstant and nonperiodic.
在此基础上,计算了控制步骤的反应途径,沿反应途径的动态学性质和正则变分过渡态理论的速率常数。
On this basis, the reaction path, the dynamical properties along the reaction path and CVT (canonical variational theory) rate constants of the controlling step were investigated.
再利用时间常数对测温点的能量平衡方程进行直接求解,从而得到被测介质的真实动态温度。
Then, an energy balance equation of the temperature measurement points is directly solved by the time constants, thus obtaining the real dynamic temperature of a measured media.
用二房室模型比较了原位灌流的大鼠空肠和迴肠锌吸收速率常数及动态过程。
The kinetics of zinc absorption of jejunum and that of ileum were compared in perfused rats by a two-compartmental model.
系统的动态性能和鲁棒性可以通过调节滤波时间常数进行平衡。
The performance and robustness can be balanced through tuning the filter time constant.
弹性常数的研究及其应用得出:动态参数对解决岩石力学问题更为有效。
From the study and application of elastic parameter, it is found that the dynamic factors put large effects on the solution of rock mechanics.
该算法具有常数的雅克比矩阵,大大减少了动态状态估计的计算时间,同时保证了动态状态估计的计算精度。
Since the proposed algorithm has a constant Jacobian matrix, the calculating time can be significantly reduced, while the calculating precision can also be guaranteed.
该算法具有常数的雅克比矩阵,大大减少了动态状态估计的计算时间,同时保证了动态状态估计的计算精度。
Since the proposed algorithm has a constant Jacobian matrix, the calculating time can be significantly reduced, while the calculating precision can also be guaranteed.
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