A new magnetotelluric inversion method& Vertical time-distance curve method

1、

The paper's important content and production are: ( 1) Set up three-dimensional elastic-plastic FE model for incremental sheet forming. Realize continuous simulation process for incremental sheet forming through imposing time-displacement curve to control its motion on the punch;

建立渐进成形工艺三维弹塑性有限元模型，通过对成形头运动施加时间-位移控制，实现了连续模拟过程；

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2、

The results show that the minimum number of the successive counter-intuitive behaviors can be evaluated from the time-displacement curve corresponding to the first counter-intuitive behavior.

用首发反直观动力响应的位移历史曲线可以判断继发反直观动力行为所在载荷区间的最少个数。

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3、

At last, by proving the irreducibility of the C0-semigroup we obtain that the time-dependent solution of the system converges to the steady-state solution exponentially.

最后，通过证明该半群的不可约性，得到了系统模型时间依赖的非负解指数收敛到其静态解。

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4、

By using C0-semigroup theory the existence of a unique nonnegative time-dependent solution of a system consisting of two repair'able unit has been proved.

用C0－半群理论证明一类两个相同部件并联可修系统的非负解的存在唯一性。

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5、

Homoclinic Bifurcation and Time-Dependent Bifurcation of Quadratic System with Saddle-Node Bifurcation

具有鞍结分岔的二次系统的同宿和时变分岔

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6、

We discuss the entire solution of the time-dependent population developing system equation. We regard the noncompetitive fertility rate as control function and judge its optimality by quadratic functional, and study the optimal control problems for the above population system.

讨论了时变人口发展系统的整体解，并且将非竞争人口生育率作为控制函数，用二次泛函来判别其最优性，研究了上述人口系统的控制问题。

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7、

Solution of time-dependent harmonic oscillator system using explicit Euler method and discussion of the cyclic initial states

用explicit Euler方法研究含时受迫谐振子的演化及对系统循环初态的讨论

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8、

The Optimal Control on the Noncompetitive Fertility Rate for the Time-dependent Population Developing System

时变人口发展系统非竞争人口生育率的最优控制

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9、

A fuzzy-p controller is applied in temperature control system in this paper. It can be proved that this method is superior to traditional PID controller to nonlinear and time-dependent dynamic system.

针对常规PID控制器对于非线性、时变系统难以达到控制要求的不足，采用了模糊比例双模分段控制器设计温度控制系统。

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10、

In this paper a time-dependent measuring system for welding deformation is established with high quality sensors shielded from strong welding interference, and the system has high precision and high sampling speed.

本文通过选用高性能位移传感器和加强屏蔽措施，建立了一套焊接变形实时测量系统。

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11、

The propagation of the atom laser beam with non-conservation quality factor is discussed based on the theory of ABCD formulation of propagation of a time-dependent quantum system.

本文在含时量子系统传播子的ABCD形式理论的基础上，进一步讨论原子激光这种品质因子不守恒系统的传输。

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12、

Adiabatic approximation is pulled in for explaining time-dependent Hamilton system and Berry phase.

涉及含时哈密顿系统的动力学和Berry相位，并引入绝热近似的概念。

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13、

In the second subsection, we introduce the background of the study on the time-dependent mesoscopic system.

第2节介绍了含时介观物理体系的研究背景。

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14、

Bifurcation and Trajectory Catastrophe of Time-dependent Dynamic System

时变系统分岔与轨迹突变

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15、

On the Stability of Linear Time-dependent Control System of 3 First-order Differential Equations

关于三阶线性时变控制系统的稳定性

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16、

通过大量分析系统动力学参数对高速列车&无碴轨道时变系统空间振动响应的影响规律，提出了无碴轨道结构设计参数建议取值范围。

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17、

By making use of the invariant theory, the exact solution for a time-dependent system of double-well Bose-Einstein Condensate and corresponding geometric phase are obtained.

利用构造不变量理论，研究了一种含时双阱玻色-爱因斯坦凝聚系统的精确解，得到了相应的几何相因子。

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18、

By making use of the basic invariant, the squeezed states and squeezed number states for this time-dependent system are also constructed.

文中研究了广义含时谐振子系统的不变量和不变量的一般形式，并利用基本不变量构造了此含时系统的压缩态和压缩数态。

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19、

Let-off motion is a typical non-linear time-dependent system.

送经机构是一个典型的非线性时变系统。

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20、

Calculation of time-dependent system reliability for continuous RC bridge during service life

混凝土连续梁桥使用期的时变体系可靠度计算

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