According to the perturbation theory, a distribution law of matrix element in secular equation is discovered in degenerate state and wave function property of the hydrogen atom.

根據(jù)簡并態(tài)微擾理論和氫原子波函數(shù)的性質天天操天天日天天碰，得到久期方程中微擾矩陣元的分布規(guī)律国产三级精品三级在线区。

In the study of the stochastic chaos in simple pendulum, the random Melnikov process is derived and the mean-square criterion is used to determine the threshold amplitude of the bounded noise excitation for the onset of the chaos or random chaos in the system. For the coupled simple pendulum and harmonic oscillator, the Melnikov function is used to determine the condition for the onset of chaos in the case of Hamiltonian perturbations. In the case of non-Hamiltonian perturbation, the generalized random Melnikov process and mean-square criterion are used to determine the threshold amplitude of the bounded noise for the onset of random chaos.

在隨機混沌研究中日韩精品免费裸身美女在线观看，應用隨機Melnikov過程的均方準則研究了單擺在有界噪聲激勵下發(fā)生混沌或隨機混沌時有界噪聲激勵的臨界幅值一级无码操B免费视屏；對于耦合的單擺-諧振子系統(tǒng)色哟哟无码一区，先用Melnikov函數(shù)研究了在哈密頓擾動下發(fā)生混沌的必要條件正在播放国产一级特黄；然后用推廣的隨機Melnikov過程方法研究了在非哈密頓擾動下發(fā)生隨機混沌的必要條件；用最大Lyapunov指數(shù)及Poincaré截面方法結果與上述理論結果作了對比大屌干屄视频。

This paper aims to examine a class of the problems of third order nonlinear boundary value of singular perturbation by way of transforming unknown function.

以變換未知函數(shù)的方式研究一類奇攝動三階非線性微分方程邊值問題超碰国产人人洗澡人人操，在適當條件下，構造出問題的上下解青草草视频网。

The approximate stationary probability density function for the response of multi-degree-of-freedom dissipated Hamiltonian systems to Poisson white noises are obtained by solving the four-order generalized Fokker-Planck-Kolmogorov equation using perturbation approach.

通過用攝動法求解四階廣義父咔逡患蹲鯽爱过程免费视频？耍绽士朔匠蹋玫讲此砂自肼暭畹亩嘧杂啥群纳⒌墓茴D系統(tǒng)的近似平穩(wěn)響應概率密度函數(shù)。

Based on the mind of perturbation,a method which combines transitive closure method with the objective function method is introduced,and the steps of the method is presented.

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In the meanwhile, the TS characteristics of a scattering particle and their relationship are studied when it is passing through the scattering area, In addition to this, the distribution function of particles' shape is defenited in terms of math's method and a new method is putout of which the distribution of particles' shape is captured in according to the power spectrum and spectral distribution characterist of light scattering and finally, the utility of the perturbation ameliorating method and the effect of the particles' shape is modified, so far, the accuracy of measurement of the particles' size is improved effectively.

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A mixed sensitivity H∞ control model is constructed and the band width of wind turbine speed control is designed according to the frequency characteristic of wind speed variation and noise of rotating speed sensor. The sensitivity function is decreased within this frequency band to restrain the wind torque perturbation to wind turbine rotating speed control.

通過構造基于復合靈敏度的H∞魯棒控制模型，根據(jù)風速的波動頻率范圍和傳感器的噪聲頻率范圍設計了風車轉速控制的帶寬小视频福利，并在此帶寬內降低系統(tǒng)的靈敏度函數(shù)免费观看AA视频，來抑制風力轉矩對風車轉速控制的干擾。

The disturbing torque caused by carrier perturbation in the control system of seeker stabilized platform and the swing caused by sight angular angle were analyzed, the influence o f selection of different output dot of sight angular speed on sight angle and decoupling and the requirement for cont rol system transfer function were analyzed.

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Under the precondition of assuming the stock price did not following the famous geometric Brown law, and agents have no exact knowledge of the probability distribution for the uncertain economic shock and return rate perturbation, chapter five presents the uncertain dynamic models of portfolio choice and option hedging respectively. In this chapter, we define the H〓 norm of transfer function from disturbance input to control output as financial risk measurement, and investigate the risk-attenuating robust H〓 portfolio investment and option hedging strategies.

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