非线性理论

• On the basis of mutual information and nonlinear theory , we analyzed the different time series of various channels at different regimes , the result show that this parameter can identify the different fluidized regimes and it is superior to the traditional method
  在互信息与非线性理论的基础上，本文针对不同流型状态下的多通道采样时间序列进行分析，结果表明，互信息有着较传统的线性分析或单参数分析所不具备的优点，从而为流型识别提供了新思路。
• 4 . appling fuzzy math theory and factors added method we set up landslide hazard zonation math model in kaixian county sanxia region , and compare two hazard zonation result with these two model , to make non - linearity theory applied successfully to realistic condition . 5
  ( 4 )应用模糊综合评判法和因子叠加法，建立了三峡库区开县滑坡危险度区划的数学模型，并利用两种模型对研究区进行了滑坡危险度区划对比，使非线性理论在实践中得到了成功的应用。
• 2 ) the theory of bursts of 40hz eeg is used to get rid of the possible disturbs of emg . this method makes the non - linear eeg analysis more accurate and reasonable . 3 ) the correlation dimension , lyapunov exponent and kolmogorov entropy are studied and their computer programs are implemented
  3 ）分析了非线性理论的三大参数相关维数、李亚谱洛夫指数、柯尔莫哥洛夫熵和其它的一些指标，讨论了它们的依赖条件和变化规律，编写了它们的实现程序。
• The paper concludes the research of slope engineering and landslide forecast . in the base , nonlinear theory and relative theory and methods are used to nonlinear mechanism of slope evolution and the characteristic chaos of slope and landslide prediction and forecast methods
  本文总结了边坡工程及滑坡预测预报领域的研究成果，在此基础上，运用非线性理论的相关理论和方法，对边坡演化的非线性机制、边坡的混沌特征、滑坡预测和预报方法进行了较为系统的研究和探讨。
• In chapter 4 , we study nonlinear theory of the open v - type system with two - color incoherent pump . in this chapter , we discuss the conditions for the onset of lwi and the stability of the system in the limit of strong driving field , and the effect of incoherent pump rate rt on the gain , dispersion and population differences . we also discuss the effect of nonlinearities and the effect of pumping rate threshold of the pumping field
  接着第四章讨论双色非相干泵浦系统的非线性理论，分析了强驱动场情况下的lwi产生的条件和稳定性、非相干泵浦速率r ~ 1对增益、色散和粒子数差的影响；讨论了该系统的非线性效应和非线性对非相干泵浦速率r ~ 1与r阈值关系的影响。
• The nonlinear method of grade stiffness degeneration is very effective to simulate defection situation and evaluate bridge load capacity , the method of nonlinear analysis from this paper provides reliable quantitative analysis way to static evaluation and reform existed bridge , and has potentially applied valuation to practical engineering
  因此得出结论：在评定既有钢筋混凝土桥梁结构的承载能力时，应按分级刚度退化非线性理论跟踪模拟其损伤过程。文中给出的非线性理论分析方法对被改造桥梁的静力评价和拟定加固方案提供了可靠实用的定量分析资料，可为工程应用参考。
• Meanwhile we discuss the multilayer bellows with boundary non - linearity theory , exercise fea software ansys construct a kind of novelty and logical model of multilayer bellows , then basically settle multilayer bellows of design and calculate . the results of ansys and the datum of experiments are accordant
  同时着重探讨了多层波纹膨胀节，结合边界非线性理论，运用有限元软件ansys构造了一种新颖、合理的多层波纹管有限元模型，基本解决了多层波纹管设计计算问题。
• As far as linearity and efficiency are concerned , several techniques and theoretical analyses on linearity are extensively demonstrated . hybrid use of linear techniques and adaptation technologies in sdr are fully studied so that it can provides amplify with broadband , high efficiency and linearity . the paper presents a new scheme of an adaptive feedforward correction connected with a predistorter to amplify in sdr
  在高效线性放大方面，广泛讨论了射频功放的几种线性化技术和非线性理论分析基础，深入研究了在软件无线电中组合使用线性化技术和自适应技术以保证宽带、高效率的线性放大，创新地提出了基于软件无线电宽带线性射频放大的预失真和自适应前馈线性技术结合的方案。
• In the paper , active control to rotor vibration with sma is studied : 1 ) the material performance of sma , especially the coupled relation of strain , stress and temperature , is studied in nonlinear coupled thermoelasticity theory and the linear result is modified ; 2 ) the nonlinear dynamic behavior of rotor system with sma bearing is studied in the nonlinear theory and the dynamic stability theory and the deference of the soft / hard nonlinear system is pointed out
  1 ）运用非线性热弹性耦合理论研究记忆合金材料的力学性能，特别是应力、应变和温度三者之间的耦合关系，改进了原有的线性结果。 2 ）运用非线性理论和运动稳定性理论研究带有记忆合金支承的转子系统在非定常状态的非线性动力学行为，指出了软、硬非线性系统的区别。
• The second section of the essay , refers to the modern nonlinear theory including neutral network and genetic algorithm , discusses the impact of structure parameters of neutral network hidden layers on the neutral network , and the engineering and technological applications of both neutral network and genetic algorithm , gives a simple and practicable and effective method to supplement lost variables
  提出了本博士学位论文研究的选题依据，阐明了本课题研究的主要内容与方法，研究基本思路和研究的目的与意义。第二部分研究了论文中涉及的现代非线性理论方法，包括神经网络隐层结构参数对神经网络特性的影响研究以及神经网络、遗传算法的工程应用研究。