系统函数

Membership and nonmembership functions, and the inference rules of the system variables are devised with computational relations between layers of input and output and a synthesized computational expression of system outputs ascertained.

其次，设计了系统变量的属性函数和推理规则，确定了各层输入输出的计算关系，以及系统输出结果的合成计算表达式。

In order to detect the nonlinear determinism, the method of surrogate is employed. The null hypothesis that a real system response is from a stationary Gaussian linear process distorted by an invertible, static, nonlinear measurement function is made and tested.

采用替代数据法对实际房间声学系统的非线性确定性进行检测，假设实际系统响应是由平稳高斯随机过程经可逆、静态的非线性函数变换而得到，然后对该假设进行检验。

In order to realize the output prediction on-line and rolling optimization, the approximate models have been used as the internal model instead of the distributed model. Thus the predictive algorithms are greatly simplified.

为了解决系统输出的在线预测和滚动优化，文中采用正交函数逼近模型作为系统的内部模型，使在线预测、滚动优化成为现实。

In Chapter four, the stability problem of the nonlinear open-loop control system is discussed by the concept of input-output stability. The L〓 stability is defined, the relationship between the L〓 norm of output variable and the input variable is proven firstly, and the sufficient condition for the stability of open-loop system , the H〓 norm of the n-th order frequency response function decreasing by n!

本章给出了非线性控制系统L〓稳定性的定义，首次严格证明了输出变量的L〓范数与输入变量的L〓范数之间的一个重要的关系式，并得到了一个开环系统L〓稳定性的充分条件，即n阶广义频率响应函数的范数〓应按n！

It proposes the control-output transfer function of the nondeal Buck converter using circuit average method, the model in Pspice 10.0, the open-loop and gain of the voltage control loop simulations of the system. A prototype of output power 15W has been made up, and the experimental results are agreed with the simulative results.

用电路平均建模法推导出非理想Buck变换器控制-输出的传递函数，在PSpice10.0环境下建立了仿真模型，对系统进行了开环和电压控制环路增益仿真，并在研制的15W实验样机上进行了系统的实验测试。

On the basis of the fundamental theory of information optics, the Fourier transform and an iterative approach are used to calculate and analyze the point image of an optical imaging system the Point Spread Function (PSF of light intensity, to retrieve the phase of imaging system and then to obtain the wave font of the optical system.

基于信息光学基础理论，采用傅里叶变换和迭代算法计算分析了光学成像系统的星点图像（光强点扩散函数，PSF），实现了对光学成像系统位相的复原，获得了波像差信息。

The mechanical mathematics model of system was built, and the computer numerical value simulation was carried out. Taking the rotation speed and damping as the furcation parameters and combining with Poincare sectional view, oscillogram, phase plane plot, locus of axle center, power spectrum graph and self correlative functional diagram, the kinetic status of system was analyzed.

建立了系统力学数学模型，进行计算机数值模拟，以转速和阻尼为分叉参数，结合Poincare截面图、波形图、相平面图、轴心轨迹图、功率谱图和自相关函数图，分析了系统的运动状态。

For single input single output linear system, its zeros were determined by the output function of system.

对于单输入-单输出系统，它的零点取决于系统的输出函数。

By calculating the well-known Melnikov function of this system, we obtain the chaotic regions in the parameter space.

通过计算系统的Melnikov函数，我们得到使系统运动处于混沌的参数区域。

The simulation results show the good performance for the system by using network to adjust the parameters and the recurrent weight of neural network on-line dynamically on the condition of variety of system parameter and the impact of outside uncertainty factors.

仿真结果表明，当系统参数动态变化或受到外部不确定因素影响时，利用神经网络来在线调整网络的隶属函数参数以及神经网络递归权值，使系统具有良好的动、静态性能。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。