值分布

Based on BP neural network model technology, a new approach was developed and applied to appraise the input parameters′significant degree through the weightiness and its distribution between the input and output layer.

摘要在BP神经网络建模技术的基础上，提出利用神经网络输入层与输出层之间的网络权值及其分布来求各输入参数重要程度的方法。

Based on BP neural network model technology,a new approach was developed and applied to appraise the input parameters′significant degree through the weightiness and its distribution between the input and output layer.

在BP神经网络建模技术的基础上，提出利用神经网络输入层与输出层之间的网络权值及其分布来求各输入参数重要程度的方法。

Research makes clear as a result: TC measure has apparent seasonal change feature, average scale is in the biggest April, achieve 230.4km, the smallest Feburary, for 69.5km;TC measure apparent area distributings inhomogenous sex, the area of TC measure occurrence maximum is located in 28.6 ～ 29.5 ° N, 133 ° of 131.1 ～ on the offing of E, and it is to the south of 123 ° E with 12 ° N with south area, TC measure often is under 200km; the TC to different intensity, its measure and intensity luffing have apparent difference, tropical storm (the 24h measure luffing of TS) is the biggest, and typhoon (the dependency of measure of the biggest;TC and intensity is in the 24h intensity luffing of TY) is discrepant below different method, on northwest travel, westing, north model TC measure and intensity show remarkable positive to close, both correlation coefficient achieved 0.93 above, northeast travel and whirly model the correlation coefficient of TC measure and intensity is adjacent 0.6, change direction model the correlation coefficient of TC is in 0.85 or so; in addition, the dependency of TC measure and intensity in its the different level of life history also is put in notable difference, sending exhibition period, the dependency of measure and intensity is best, its correlation coefficient...

探究结果表明：TC尺度有明显的季节变化特征，平均尺度在4月份最大，达到230.4km，2月份最小，为69.5km；TC尺度有明显的区域分布不均匀性，TC尺度出现最大值的区域位于28.6～29.5°N，131.1～133.0°E的海面上，而在123°E以东和12°N以南地区，TC尺度往往都在200km以下；对于不同强度的TC，其尺度和强度变幅有明显差异，热带风暴的24h尺度变幅最大，而台风的24h强度变幅最大；TC尺度和强度的相关性在不同路径下是有差异的，西北行、西行、北上型的TC尺度和强度呈显著的正相关，两者的相关系数达到了0.93以上，东北行和回旋型的TC尺度和强度的相关系数接近0.6，转向型TC的相关系数在0.85左右；此外，TC尺度和强度的相关性在其生命史的不同阶段也存在显著差异，在发展期，尺度和强度的相关性最好，其相关系数。。。

Firstly, a simple closed-form MIMO channel capacity formula is derived by using the eigenvalue distribution of Wishart matrix.

首先，利用Wishart矩阵的特征值分布，导出了一个简单闭合的MIMO信道容量公式；然后基于此公式，得到了MIMO信道容量在高信噪比时的渐近界，解析地反映了随着信噪比的逐渐增加，MIMO信道容量与信噪比和收发天线数目的最小值呈渐近的线性关系；最后，计算机仿真验证了所提出的MIMO信道容量公式及其渐近界的正确性。

Firstly, the target vector is transformed to the state with minimization of cross-polarization; then the parameters u/v/H are used to characterized scattering mechanism, and the fuzzy membership is adopted instead of "hard" division of parameter plan; finally, characterizing the coherency matrix as multivariable complex Wishart distribution, the polarimetric SAR image is classified based on Bayes maximum likelihood criteria.

该文提出了一种新的非监督分类算法，该算法首先根据去取向理论，将目标向量旋转到最小交叉极化方向；然后，采用u/v/H参数描述散射机制，以模糊隶属函数代替参数平面的"硬"阈值划分；最后，以多元复Wishart分布描述相干矩阵，基于Bayes极大似然分类准则进行分类。

The results show that the angular distribution of the total differential cross section at zero degree increases and the position of oscillation minimum of the same order gradually shift towards small scattering angle along with the increase of the incident isotope He atom mass at identical collision energy. And crossing angle between the elastic and total inelastic DCS gradually decreases and the total inelastic DCS gradually increases.

结果表明：在相同碰撞能量时，随着同位素氦原子质量的增加，总微分截面在0°时的角分布逐渐增大，同一级衍射振荡极小值位置逐渐向小散射角方向移动；弹性与总非弹性截面交界角逐渐减小，总非弹性截面逐渐增加。

The nods and element meshes were signed out according to the geometry of every section. The geometric data was input computer and the element mesh body of cats＇ head was established in vizi CAD system. The Maximum stress,Minimum stress and yon Mises stress were calculated by Super SAP (93ed) finite elemental software when the force was loaded on right or left side of model in zero section.

方法猫头颅CT断层确定各层面节点并数字化，在有限元专用vizi CAD系统建立猫头颅三维有限元网格体模型，应用Super SAP有限元软件(93版)分析猫头半约束非撞击致伤时颅脑最大主应力、最小主应力、von Mises应力值及其在各层面的分布。

Research on the solution chemistry of Al-V-Mo system in aquous solutionAccording to the calculation of solution chemistry,the solubility and existing status of Al,V and Mo in acidic and alkalic solution had been analysed in theory.The concentration logarithmic diagram of Al-V-Mo in aquous solution with different concentration and pH had been plotted,the concentration and pH on the distribution of three elements had been analysed.

铝、钒、钼水溶液化学性质的研究：采用溶液化学计算方法对铝、钒、钼体系进行了计算，从理论上分析了铝钒钼在酸性和碱性溶液中的存在状态和溶解性能，绘制了不同浓度及pH条件下铝、钒、钼水体系的优势组分图，分析了离子浓度和pH值对体系中各离子分布的影响，为水溶液中铝、钒、钼的分离技术的选择提供了基础。

At the same time, during the course of 1km-resolutioned spatial interpolation for the daily surface air temperature in the reaches of Yangtze Rive, the altitudinal effect cant negligible.

同时在长江流域内地面日气温的1km分辨率的空间插值过程中，海拔高度对气温的空间分布的影响是不可忽视的。

A number of significant conclusions are proposed. For the first time,double arciform strain of the soil nailing is observed in the miscellaneous fill. It is considered as the result that there are two potential slide planes in the miscellaneous fill. The critical anchorage length is analyzed and determined for the first,which is 9 m in this experiment. T...

首次测得并分析了杂填土中土钉的双弓形应变分布形态，指出这是填土边坡中存在2个或以上潜在滑动面的结果；首次测得并分析了土钉临界锚固长度，指出在本试验条件下，其长度约为9 m，并认为临界锚固长度是应变峰值点、零值点和破坏点同时发生转移而形成，锚固类结构均具有此特点。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新