Because ann can be used without the specific model of object , and it stores useful information as distributed manner , we usually make use of the topological structure and weights of neural network to realize nonlinear mapping , which make those weights full of meaning , also reserve the training algorithm of ann 由于模糊神经网络不需要对象的准确模型，它以分布的方式存储信息，利用网络的拓扑结构和权值分布实现非线性映射，在神经网络框架下引入模糊规则，使网络中的权值有明显的意义，且保留了神经网络的学习机制。
Based on survey data from some researches , dead load model and vehicle load model are presented in this paper . it is quite evidence that dead load model is gaussian distribution , and vehicle load is non - gaussian distribution , which operates general traffic and rush hour traffic states 本文在国内外各种调查资料的基础上，分别引入恒荷载模型及车辆荷载模型，其中恒荷载呈正态分布：车辆荷载则为非正态分布，并将其分为一般运行状态及密集运行状态两种情况，分别建立服役期最大值分布函数。
Based on the analysis of distribution of upper jurassic and lower cretaceous strata and basin - controlled faults , tanlu fault zone strike slip to develop the three nw - trending grabens from north to south western to tanlu fault zone in late jurassic and early cretaceous , which are bohai graben , jiyang graben and luxinan graben . based on the analysis of regional geology , the basic tectonic pattern of bohai basin is the cenozoic basin pattern since early paleogene . the outline , structure , deposit characteristics and heat flow distributions show that the basin is pull - apart basin in cenozoic time . the tectonic evolution pattern can be reconstructed based on the analysis of cenozoic strata , deposit thickness , location and activity of basin - controlled faults in the different depresses in bohai basin . the characteristics of structure and depositment in this mesozoic and cenozoic time show that bohai basin is a mesozoic and cenozoic composite basin 根据中生界上侏罗统和下白垩统地层和控盆断裂分布分析，中生代晚期晚侏罗早白垩世郯庐断裂带的左旋走滑平移导致郯庐断裂带以西自北向南发育了3个北西向断堑系，即北部的渤海断堑系中部的济阳断堑系和南部的鲁西南断堑系。从区域资料综合分析，渤海湾盆地的基本格局是早第三纪以来的新生代盆地格局。渤海湾盆地的形态构造和沉积特征及热流值分布表明该盆地在新生代为拉分盆地。
Value , and the current density and intensity versus the substorm phases . moreover , the characteristics of substorm current wedge are given special attention . it is found that the density and intensity of facs reach their peak during the expansion phase , the onset of the expansion phase is triggered when imf is changed to southward from northward or the southward imf decreases , and the positions of onset are most likely to be at the edge of plasma sheet near the earth 值分布以及场向电流强度和密度随亚暴位相的变化，并着重分析了亚暴电流楔的特征。结果表明，亚暴膨胀相的场向电流强度和密度都达到极大值亚暴的膨胀相是由行星际磁场转向或南向分量变小触发的，其起始位置很可能位于近地等离子体片内边缘。
This thesis studies the uniqueness theory of meromorphic functions . firstly , the author proved three sharing sets " uniqueness theorems which improved the results of yi hongxun , li jiangtao . then , the thesis improved the results of qiu gandi about meromorphic function and its derivative sharing values . finally , we obtain the exact hayman inequality and its application 本论文主要研究的是亚纯函数的唯一性理论。首先,作者应用值分布理论，证明了三个有关集合分担的唯一性定理，它推广了仪洪勋，李江涛等人的结果。
The algorithm , basing on convolution filtering technique and the fringes " gray values max - min distribution , can automatically and accurately carry out space frequency spectra shifting without spectra analysis and spectrogram in the technique of phase method of projected grating for 3 - d object shapes measurement . the new algorithm makes image processing much caster and the technique of object shapes measurement more automated . the phase error caused by filtering and the crossed - optical - axes geometry setup is also discussed 本文采用投影光棚相位法和数字卷积滤波技术：根据栅线的条纹灰度值分布具有极大极小分布的特性，提出卷积滤波形貌光学自动检测的图像处理方法，有效地实现了频谱自动移位，从而进一步提高了图像处理的速度和形貌测量技术的自动化程度；同时对采用两光学主轴相交，且非远心投影系统所产生的误差进行了分析，并提出了修正方法。
Using the theories of probability , algebra and number theory comprehensively , we investigate a class of boolean functions with three - valued walsh spectrum in the first part of this dissertation : the properties of the extended semi - bent functions , which are constructed from any two bent functions , are studied , followed by the structure characteristics of the boolean functions satisfying propagation criterion with respect to all but two vectors ; the definition and cryptographic properties of k - order quasi - bent functions are proposed whose walsh spectrum takes on only three values . some sufficient and necessary conditions are offered to decide whether a boolean function is a k - order quasi - bent function ; a special method is presented to construct the k - order quasi - bent functions , whose cryptographic properties are explored by the matrix method , which is different from the method of walsh spectrum and that of autocorrelation of boolean functions ; the application of this kind of boolean functions in the fields of stream cipher , communications and block ciphers is discussed , which shows the great importance of the fc - order quasi - bent functions ; some methodology are proposed to construct the k - order quasi - bent functions , including the complete construction by using the characteristic matrices of boolean functions , and the recursive method by two known k - order quasi - bent functions we further extend our investigation to the ring zp , where p is a prime , and the similar results are presented as far as the p - valued quasi - generalized - bent functions are considered 本文首先综合运用概率论、代数学、数论等基础学科的理论知识，并以频谱理论作为主要研究工具，对一类谱值分布相对均匀的函数? ?广半bent函数、 k阶拟bent函数和p值k阶拟广义bent函数进行了系统、深入的研究，给出了广半bent函数定义，并探讨了广半bent函数的密码学性质；给出了k阶拟bent函数和p值k阶拟广义bent函数的定义及等价判别条件；讨论了k阶拟bent函数和p值k阶拟广义bent函数与部分bent函数和p值广义部分bent函数的关系，探讨了它们的密码学性质；给出了k阶拟bent函数和p值k阶拟广义bent函数的典型构造方法，并将对k阶拟bent函数的密码性质的研究转化到对一类特殊的矩阵的研究上；利用布尔函数的特征矩阵原则上给出了k阶拟bent函数的一种完全构造方法，还给出了从已有的p值k阶拟广义bent函数出发，递归构造变元个数更多的p值k阶拟广义bent函数的方法；初步探讨了k阶拟bent函数在序列密码、分组密码以及通信中的应用；给出了一类布尔函数walsh谱的分解式，并利用这类布尔函数的walsh谱分解式给出了一类近似稳定的布尔函数的构造，特殊情形下为k阶拟bent函数；利用代数数论的知识考察了p值k阶拟广义bent函数的谱特征，并给出了k阶拟广义bent函数与所有仿射函数的符合率特征等等。
None but is the test spectrum abundant and controllable , it is possible to simulate the stresses environment needed for exposing weakness of the product . based on summarizing the present status of the vibration test and vibration environment simulation technology in the world , the topic of simulation of super - gaussian random vibration environment with controllable frequency spectrum and its applications in reliability enhancement testing is put forward . the main content and conclusions of the dissertation are as following : 1 本文在综述国内外振动试验技术和振动环境模拟技术的基础上,引出“频谱可控的超高斯随机振动环境模拟技术及其在可靠性强化试验中的应用”这一主题,并紧紧围绕该主题开展了如下研究工作: 1 .全面分析了振动激励的功率谱密度量级、幅值分布、带宽以及试件结构的固有频率、阻尼比等因素对疲劳损伤累积的强化效应,提出振动强化试验激励信号应具备的重要特性:频谱可控和超高斯,确立了本文的研究主题和方向。
Many fast block - based motion estimation algorithms have been proposed to reduce the computational complexity , for examples , three - step search , four - step search , new three - step search , etc . most of the fast block matching algorithms are based on the assumption that the block distortion measure increases monotonically as the check point moves away from the global minimum block distortion measure point 这些快速搜索算法大多基于块失真度量随着搜索点偏离最佳匹配点而单调增加的假定,但是这种假定往往只在局部范围成立,对于块失真度量是多极值分布的情况,搜索过程就可能陷入局部最优。
