First, we take the analysis of phase-plane on the invariant plane for the perturbed and unperturbed systems.
首先，我们在常值平面上对扰动和未扰动系统进行相平面分析；
Time history curves of displacement, hysteretic curves of restoring force, phase-plane trajectory curves, time history curves of energy have been obtained.
得到了框架结构稳定与不稳定时的位移时程曲线、滞回曲线、相平面曲线及能量时程曲线。
Based on MATLAB, the phase-plane method can be used to research on nonlinear capture function and nonlinear tracing function of PLL.
基于MATLAB，用相平面法研究了，PLL的非线性捕获和非线性跟踪性能。
As for us, we've started using our plane time as a work-free zone, and thus time to dip into the recovery phase.
对于我们来说，我们已经开始将飞行时间用于休息，从而有时间渐入恢复阶段。
The stability of the helical equilibrium is analyzed with phase plane method, and an analytical criterion of stability is revealed.
用相平面法分析螺旋线平衡的稳定性，导出解析形式的稳定性条件。
In the case of plane motion, the phase plane method can be used to analyse the motion qualitatively.
对于平面运动的特殊情形，可在相平面内进行定性分析。
The first one is about how to build the connection between describing function method and phase plane method through limit cycle analysis.
第一个是关于如何通过极限环分析建立描述函数法与相平面法之间联系；
Firstly we introduced the phase plane method in nonlinear dynamics to analyze qualitatively the threshold dynamical behavior of neurons in this thesis.
本文中，我们首先用非线性动力学中的相平面法来定性地分析神经元的阈值特性。
The L F signals are transformed by entropy based on wavelet packet algorithms for best basis selection, and the results are displayed in time- frequency space namely phase plane.
该方法采用基于熵的小波包最佳基选取准则，对局部损伤信号进行自适应小波包分解，将分解结果显示于时—频空间即相平面上。
The local behavior of the surface oil flow patterns is analyzed with phase plane theory of ordinary differential equations. Also the surface oil flow patterns are locally classified.
在此基础上利用微分方程相平面理论分析表面油流谱的局部特性和对流谱局部地进行分类。
In general, the design of phase-lock loops has been done by a combination of linear analysis, phase plane plots, rule of thumb, and simulation.
锁相环一般采用线性分析，相平面图，近似计算法以及计算机模拟来设计。
This paper presents the phase plane method and the stable region method to analyze the stability of the fuzzy control systems.
本文给出了模糊控制系统稳定性分析的相平面法和稳定区间法，并对应用这两种方法设计模糊控制系统进行了讨论。
With a phase grating located at Fourier frequency plane, optical image subtraction is obtained as a result of the coherent superposition of the zeroth and the first order of the diffracted light.
置一位相光栅于相干光学处理系统频谱平面，利用其零级与一级衍射光的相干迭加实现图象相减。
Phase functions for fibrous layer are obtained for two types of fiber orientation:randomly oriented in space and randomly oriented in a plane parallel to the boundary surfaces of the layer.
前言：针对纤维层中两种典型的纤维排列求得其相函数：纤维在空间随机排列和平行于边界面的平面上随机排列。
The requirements for the amplitude phase receiver for plane active phased array antenna real time measurement are discussed in this paper.
文章就平面有源相控阵天线实时检测中对幅相接收机性能的要求进行了讨论。
On the basis of the trajectory on the phase plane and Lyapunov' s direct method, switching line is introduced for controlling static compensator under large disturbance.
根据相迹方程和李亚普诺夫直接法提出了在大扰动下控制静止补偿器的开关线。
One is the saddle-type structure where the projection point is located either in the up part or the down part of the phase plane, which is divided by both stable and unstable manifolds.
一类是投影点处的轨迹走向服从鞍点规律，且由于投影点位于稳定流形与不稳定流形分割的相平面的上部或下部，故轨迹将沿稳定流形方向到达动态鞍点再沿不稳定流形方向离开该点；
The bandgap structure is calculated using periodic method of moment, and the plane wave reflection phase is calculated using FDTD.
利用周期矩量法计算了其带隙特性，利用FDTD法计算了其反射相位。
Derection and power spectrum of an incident plane wave are estimated by evaluating amplitude and rate of phase change of the corresponding sinusoidal wave.
从相应正弦波求得的振幅和相位变化率可以检测平面波的入射方向和功率谱。
Different from conventional CGHs, the pure-phase information on the hologram plane is loaded on the SLM to reconstruct the 3d diffusive objects without considering the reference wave.
与传统的计算全息图不同，该方法将全息图平面的纯位相信息加载到空间光调制器上来重建三维漫射体，而没有引入参考光波。
The gas and particle phase in the gas solid two phase plane mixing layers flow is numerically simulated using the discrete vortex method and trajectory method respectively.
对气固两相平板混合层流动，采用离散涡方法模拟气相场，轨道法跟踪颗粒的运动。
On analyzing the longitudinal plane motion equation and lateral plane motion equation in guided phase, the guidance logic for perpendicular impact task was devised.
通过分析导弹在导引段的纵向平面运动方程和侧向平面运动方程的特点，设计了实现垂直打击任务的制导逻辑。
When single CGH is reconstructed, no information will be observed, while two alignment combined phase-only CGHs are reconstructed, the recorded information will be read out on the image plane.
单独再现每一张全息图时无法观察到原物体信息，而将两全息图对准合在一起时，则可在计算全息图的观察面上得到原来的物体信息。
Hepatic blood flow earlier perfusion phase, time-activity curve(TAC), hepatic blood pool phase(plane and tomography), CT and color ultrasound were compared as control group.
再与肝血流灌注相的早期充盈、时间活性曲线（TAC）、肝血池（平面及断层）显像、CT和彩超检查作对照。
The plane defects of metals and alloys include grain boundary, sub-grain boundary, twins grain boundary, phase boundary, stacking fault, outward surface, etc.
金属和合金中的面缺陷包括晶界、亚晶界、孪晶界、相界、堆垛层错、外表面等。
Since a normal incidence plane wave is used as the reference wave, the difficulty and complexity of phase aberration and phase unwrapping of DHM are remarkably decreased.
使用垂直于像平面的平面光为参考光，降低了数字全息显微术中相位补偿和解包的难度和复杂性。
If only the phase fluctuation is included in the incident light, the correlation time can also affect the parameter plane of the FOLT.
当入射光仅包含位相涨落时，噪声相关时间对一级相变类比的参数区域也产生很大影响。
If only the phase fluctuation is included in the incident light, the correlation time can also affect the parameter plane of the FOLT.
当入射光仅包含位相涨落时，噪声相关时间对一级相变类比的参数区域也产生很大影响。
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