| 1. | In this thesis , the noise and nonlinearity performance of cmos low noise amplifiers ( lna ) and gilbert mixers are studied systematically 本文系统地分析了cmos低噪声放大器和混频器中的噪声和非线性性能。 |
| 2. | Cdso . iseo . 9 nanocrystals exhibited the excellent resonant and non - resonant third - order optical nonlinearties from electroabsorption spectra . quantum size effect was also observed 对纳晶电调制吸收光谱的测试,纳晶表现出很好的共振和非共振三阶光学非线性性能及量子尺寸效应。 |
| 3. | Recently , with the development of economy and our country ’ s enhanced in the output and quality of the steel , gabled frames have been widely used in industrial and civil structures 端板连接节点是门式刚架轻钢结构中普遍采用的连接形式,由于其构造上的特点,端板连接节点具有非线性性能。 |
| 4. | 2 a systematic research is done on the lateral behavior of braced steel frame system and the nonlinear behavior of concentrically braced frames ( cbfs ) and eccentrically braced frames ( ebfs ) is analyzed 2对支撑体系的抗侧力性能进行了系统的研究,对中心支撑体系和偏心支撑体系的非线性性能进行了简化分析。 |
| 5. | An overview of the intermodulation distortion analysis of cmos gilbert mixers is presented . the main difficulties in performing the nonlinearity analysis in mixers are discussed in detail 本文给出了当前文献中对cmosgilbert型混频器互调失真分析的概述,并对分析混频器非线性性能中所遇到的主要困难进行了详细讨论。 |
| 6. | The study indicates we must take into account several possible destructive modes such as buckle and yield et al and consider the non - linear effect of post - buckling and post - collapse of components 研究表明,在计算船体总纵强度时,必须考虑构件的屈曲、屈服等各种可能的破坏模式,要考虑受压构件屈曲后及崩溃后非线性性能影响。 |
| 7. | Compared with the standard boussinesq equations ( peregrine ) , the new alternative form of equation significantly improves the dispersion and nonlinearity properties of equations , making them applicable to a wider range of water depths 改进后的方程同经典boussinesq方程相比明显改善了方程的色散性能和非线性性能,拓宽了方程的适用范围。 |
| 8. | Through mature material constitutive relation and finite element , except sliding between steel plate and steel reinforced concrete beam , this paper analyzes the nonlinear property and compares the maximum carrying capacity , deflection and fissure condition 摘要利用成熟的材料本构关系和有限元分析方法,在不考虑钢板与所加固钢筋混凝土梁之间存在相对滑移的前提下,分析了粘钢前后梁的非线性性能,并比较了粘钢前后梁的极限承载力、挠度以及裂缝开展情况。 |
| 9. | Some calculation indicated that general - purpose programs can predict load carrying capacity of a ship ' s hull accurately if one take sufficiently into account every load and boundary combination , structure imperfections and initial stresses , together with geometric and material non - linearity . in this thesis , the load carrying capacity of several hull or hull models have been analyzed by using the general - purpose program ansys , and some detailed results are obtained 一些已有的计算分析表明,对于大型通用有限元软件,只要合理地模拟结构的受载方式,模拟材料的非线性性能,采用合理的单元类型和网格尺度,并综合考虑极限强度分析的各种因素(如结构的残余应力、初始变形、材料的非线性性能等) ,通用有限元程序也能获得精确的船体结构的极限承载能力。 |
| 10. | The function of this model is more powerful , so the model can be used in three - dimensional stress state . using damage concept to reflect the phenomenon of continuous stiffness degeneracy and nonlinear behavior for concrete , combined material parameters with physical phenomenon of concrete makes the results with the model in three - dimensional stress state for concrete consist with experiment and settles the difficulty of calculate 该模型是一种功能较强的模型,可以用于混凝土三向受力的情况,采用损伤概念来反映混凝摘要土连续性刚度退化现象和非线性性能,把材料参数与混凝土一些物理现象组合在一起,使得这种模型应用于混凝土三向受力时与实验结果的一致性和计算上的困难得以解决。 |