非线性

For there is no concrete mathematical expression to describe its complicate inner working process and theoretical calculation, and the movement of piston is a kind of nonlinear variable accelerated motion, we have to resort to computer technique to do theoretical research work.

油压夯管锤是高能量输出的油压马达，其工作性质是建立在流体力学、液压传动、运动学、动力学、机械学、波动力学等多学科基础上的流体机械，其内部工作过程和理论计算比较复杂，没有显示的数学表达式，而活塞的运动又是一种非线性的变加速的运动过程，因而，其理论研究必须借助电子计算机。

In big science times, this kind of nonlinearity characteristic shows prominently: The totalite, fluctuant and accelerative of science development.

在大科学时代，这种非线性特征表现尤为突出：科学发展的整体性、发展的波动性、发展的层次性以及发展的加速性。

As walk-off angle and acceptance angle of beam limit the conversion efficiency and the tunable wavelength range of difference frequency generation, research include effective nonlinear coefficient, walk-off angle and acceptance angle as functions of wavelength, the relationship between conversion efficiency and acceptance angle, and the impact of crystals length on the process of frequency conversion.

由于光束的走离角、允许角限制了转换效率和差频调谐波长范围，研究内容还涉及了有效非线性系数、走离角和允许角与波长的关系，转换效率与允许角的关系，以及晶体长度在频率变换过程中产生的影响。

As temperature, humidity sensors have all of the output of certain nonlinear, the acquisition value of the temperature and humidity must be amended.

由于温度、湿度传感器的输出特性都呈一定的非线性，则所采集的值都要进行修正。

More recently, nonlinear control designs with integral action included have been used for ship control.

在现代工业控制设计中，带积分环节的非线性控制器设计已经应用到船舶控制器设计中。

In chapter three, adaptive control of general nonlinear systems based on neural networks is studied.

第三章：研究了广义非线性系统的基于神经网络的自适应控制方法。

In this paper, we studied the adaptive stable problems of two different type nonlinear systems.

本文主要讨论了两类不同类型的非线性系统的自适应控制问题。

In addition, the formulas of geometric non-linear cable element are listed in this chapter.

另外，本文还给出索单元的几何非线性公式。

Finally by constructing an auxiliary problem, using addition theorem and applying an iterative process based on results obtained for the linear problem, the existence and uniqueness of the weak generalized solution of the nonlinear problem is proved.

解决了线性问题后，本文构造了辅助问题，利用迭加原理，并基于线性问题的主要结论运用迭代过程，最终证明非线性问题存在唯一广义弱解。

As for mixed problem with integral boundary conditions for a certain nonlinear pseudo-parabolic partial equation, the existence and uniqueness of a strong solution to the corresponding linear problem is established and so the nonlinear problem can be solved by using addition theorem.

对于一类非线性伪抛物型方程的带积分边值条件的混合问题，本文通过相应的线性方程利用迭加原理来解决。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。