This paper deals with the minimum energy control and the fast- time control problems of a type of system governed by wave equation with variable coefficients.

本文研究变系数波动方程所决定的控制系统的最小能量控制和快速控制问题。

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The motion of plunger of oleo damper excited by colored Gaussian noise with exponential correlation time is governed by first order nonlinear differential equation.

油液阻尼器受指数型高斯色噪声外激励时，活塞在油腔内的运动可用一阶非线性动力学方程描述。

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This paper deals with the periodic optimal control governed by a degenerate nonlinear diffusion equation.

研究由退化非线性扩散方程所支配系统的周期最优控制问题。

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The shape of the curve which describes this decline is governed by a well-known equation called the Faddy-Gosden model.

ECONOMIST: Predicting the menopause