( 2 ) based on the existing theory of lateral load distribution rule , and combined the structure characteristic of pre - stressed lager cantilever composite beam with corrugated steel webs , this thesis proposed the modified rigid beam method . taking this method , it is facilitated to compute the lateral load distribution factor of bearing composite cantilever beam with variable - stiffness under the load in arbitrarily position ( 2 )以现有的横向分布理论为基础,结合大悬臂波形钢腹板组合挑梁的结构特点,提出了修正刚接梁法的计算方法,能够方便地计算变刚度悬臂组合梁任意点位的横向分布系数。
The paper also establish simulation model with open loop of established dynamic model of conveyor system with simulink software , and simulates the process of starting by properly setting simulation parameters , so that all dynamic parameters of conveyor at random time during starting are computed , thus steady starting and economical running are controled 对建立的输送机系统的动力学模型建立开环控制仿真模型，通过合理的设置仿真参数，对带式输送机的起动过程进行仿真，精确计算出输送机系统任意点在起动过程中任意时刻的所有动态参数，以控制输送机起动过程的稳定性和设计的经济性。
Its main contents is as follow : firstly , it makes the discrete model for the subsystems of the scraper conveyor and the whole system with the finite element method ; secondly , the modal analysis method is used to obtain the inhere frequency and mode of the viberation ; finally , computer simulation is applied to get the displacement , velocity , acceleration and tension of the anyplace on the scraper conveyor for the four special working condition 其主要内容如下：用有限元方法建立了刮板输送机子系统及整个系统的离散体动力学模型；应用模态分析法求解系统的固有频率和振型；对四种非稳定工况下的动态特性进行计算机仿真，得出整个刮板输送机在任意点的位移、速度、加速度和动张力。
First calculation method : doing horizontal projection drawing on drawing piece , k value is introduced by area equation of projection drawing , k value is obtained by area equation , along outline of projection drawing to add k value , that is , outline shape of blank drawing , principle area - equal and shape similar are used . second calculation method : along outline of drawing piece horizontal projection drawing , to do normal line of penetration line for wantonly point of this point , to obtain high of drawing piece on this point normal line , point and point is to form outline shape of blank 计算方法之一为k值法：作拉深件水平投影图，在该投影图面积方程中引入k值，利用面积相等原理解方程，求得k值，沿水平投影外沿加上k值，即为毛坯图的外廓形状。计算方法之二为拉深线法：沿拉深件水平投影图外廓，在任意点作该点切线的法线，在该法线上以该点拉深件的高度为量，在法线上取截点。
The main contributions of the second part of this dissertation are focused on the cryptographic properties of logical functions over finite field , with the help of the properties of trace functions , and that of p - polynomials , as well as the permutation theory over finite field : the new definition of chrestenson linear spectrum is given and the relation between the new chrestenson linear spectrum and the chrestenson cyclic spectrum is presented , followed by the inverse formula of logical function over finite field ; the distribution for linear structures of the logical functions over finite field is discussed and the complete construction of logical functions taking on all vectors as linear structures is suggested , which leads to the conception of the extended affine functions over finite field , whose cryptographic properties is similar to that of the affine functions over field gf ( 2 ) and prime field fp ; the relationship between the degeneration of logical functions and the linear structures , the degeneration of logical functions and the support of chrestenson spectrum , as well as the relation between the nonlinearity and the linear structures are discussed ; using the relation of the logical functions over finite field and the vector logical functions over its prime field , we reveal the relationship between the perfect nonlinear functions over finite field and the vector generalized bent functions over its prime field ; the existence or not of the perfect nonlinear functions with any variables over any finite fields is offered , and some methods are proposed to construct the perfect nonlinear functions by using the balanced p - polynomials over finite field 重新定义了有限域上逻辑函数的chrestenson线性谱，考察了新定义的chrestenson线性谱和原来的chrestenson循环谱的关系，并利用一组对偶基给出了有限域上逻辑函数的反演公式；给出了有限域上随机变量联合分布的分解式，并利用随机变量联合分布的分解式对有限域上逻辑函数的密码性质进行了研究；给出了有限域上逻辑函数与相应素域上向量逻辑函数的关系，探讨了它们之间密码性质的联系，如平衡性，相关免疫性，扩散性，线性结构以及非线性度等；讨论了有限域上逻辑函数各类线性结构之间的关系，并给出了任意点都是线性结构的逻辑函数的全部构造，由此引出了有限域上的“泛仿射函数”的概念；考察了有限域上逻辑函数的退化性与线性结构的关系、退化性与chrestenson谱支集的关系；给出了有限域逻辑函数非线性度的定义，利用有限域上逻辑函数的非线性度与相应素域上向量逻辑函数非线性度的关系，考察了有限域上逻辑函数的非线性度与线性结构的关系；利用有限域上逻辑函数与相信息工程大学博士学位论文应素域上向量逻辑函数的关系，揭示了有限域上的广义bent函数与相应素域上的广义bent函数的关系，以及有限域上的完全非线性函数与相应素域上向量广义bent函数之间的关系;给出了任意有限域上任意。
That is to say , this paper improved the layer summation method in order to make it can adapt to any shape load ' s effect and can be used to calculate the eventual foundation deformation of a point at will . at the same , this paper still combined concretion formula of one dimension and hyperbolic method with mathematical and statistical method and revised the hyperbolic method in order to make them can be used more rational 这三种改进的计算方法，即对分层总和法进行改进，利用编程计算，使其可应用到对任何形状填筑体荷载作用下的任意点处的地基最终沉降变形计算；将一维固结公式及双曲线法与数理统计相结合，并对双曲线法进行修正，使两种方法的应用更趋合理。
We also derive the expression of the signal obtained from random position by the magnetic field sensor . then we construct five - dimension nonlinear equation group for the signal obtained by the magnetic field sensor and solve them , so that we can realize 3d localizing and navigation for endoscope probe 我们根据电磁场理论推导出位于正四面体六条棱上的差分磁偶极子在空间任意点的场强表达式及探头感应磁场信号的原理，然后建立起五元非线性方程组进行定位求解。
Applying perturbation technique , the image force on dislocation is obtained when dislocation located arbitrary point either outside or inside inhomogeneity , however , a number of previous related investigations on above problems only calculated the interactive dislocation force as the dislocation lies on the x - axis . the variation of screw dislocation forces for correlative material parameters and different radians of crack or rigid line is discussed particularly 针对以往大多数相关文献~ ( [ 7 ] - [ 16 ] )只求出了位错在x轴上时位错力表达式，本文应用扰动技术，导出了位错在基体或夹杂中任意点的位错力公式；并讨论了位错力随材料相关参数，裂纹或刚性线弧度的变化规律。
The main work includes : based on biot ' s dynamic consolidation equations , by the method of integral transform and matrix transfer , two - dimensional consolidation of layered saturated soils is studied . then , the general integral solutions of stress ( including pore pressure ) and displacement ( including fluid flow ) of any point were obtained under harmonic vibration loads according to staunch boundary condition . second , a program to verify the correctness of this dissertation is developed 主要工作有：本文根据biot平面动力固结方程，运用积分变换和矩阵传递的方法，研究了成层饱和地基的二维biot固结问题，根据下边界为不透水基岩的边界条件，获得了地基表面作用简谐振动荷载时，任意点应力(包括孔压) 、位移(包括流体流量)的一般积分形式解。
In this article , a program about the weighted residual method is compiled by using matlab mathematics software to solve this problem . the program has broad applicability , which can analyze the displacement fields and the internal force fields of moderate - thick plates on two - parameter elastic foundation with arbitrary boundary and arbitrary loading con - ditions ( contains uniform line load , concentrated load or combined loads on arbitrary position of plates ) 计算中本文应用matlab数学软件编制出求解该问题的加权残值算法程序,程序适用性较强,可以求解双参数弹性地基上任意边界条件组合下任意竖向荷载(包括板面上任意位置的均布荷载、集中荷载以及两者的组合)作用下的中厚板内任意点的位移场、内力场。
