解析函数

Qinhuangdao 066004, P.R. China）Abstract: On basis of the theory of metal plastic fluid and research of die cavity on non-axis-symmetry extrusion of special-shaped products, in virtue of mathematical research results of the conformal mapping theory,by using method of normal convergence, numerical value analysis of mapping function was built.

摘 要：针对非轴对称金属异型挤压塑性流动及模腔研究的理论课题，借助于近代共形映射数学理论研究成果，利用法线收敛法，建立了映射函数解析方法。

Derived the partition law of damping of electromechanical mode, the relation between the real part of electromechanical mode and generators damping is showed in the analytical form.

论文主要内容如下：推导出了多机系统机电振荡模式阻尼分配规律，以解析的形式表示出了振荡模式实部与各台机阻尼的函数关系。

Based on the generalized Parabolie model and the load transfer method, the analysis model of large diameter pedestal pile is set up.

基于荷载传递法和广义双曲线函数，建立了大直径扩底桩的单桩解析模型。

Based on the PECs, the spectroscopic constants of the states have been determined and compared with the theoretical and experimental results available to affirm the accuracy and liability of the calculations.

在所得解析势能函数的基础上，通过解核运动的薛定谔方程得到各电子态的光谱常数，并与现有的理论和实验值比较来验证计算的可靠性和准确性。

The error of a surface on the electrical potential distribution can be neglected when the order of the distance which from center to the surface we assume the potential decay to zero about 102 of its radius. This effect also can be neglected when the potential is high, but it can be taken into account by multiplying a correction function to the potential of surface when the surface potential is low.

并且当表面电位较高的时候，近似解析解对於空间电位的分布会有较好的描述，即和数值解的结果会有较少的误差；而在表面电位较低的情况下，圆柱座标以及球座标的近似解可以乘上一个校正函数来修正，则可以有效的大幅降低误差，更可以正确的描述胶体粒子内部的空间电位分布。

In order to understand the mechanism of carrier recombination process, the TRPL was also investigated. The coverage dependence of lifetime can be well-explained by band-bending effect and electron-hole wave function overlap.

由时间解析光谱来分析载子生命期，我们发现载子生命期会随著碲化锌覆盖厚度的不同而改变，其现象可由能带弯曲的情形，以及电子电洞波函数的重叠情形加以说明。

The approximate analytic solution for the plane problem of semi infinite elastic solid subjected to a concentrated force at the midpoint of bottom of a groove is given by means of complex stress function.

运用复变函数方法，求出了半无限弹性体通过刻槽之底施以集中力的平面弹性应力场的近似解析解，并进行了光弹性试验，理论上求得的应力分布与试验结果相吻合

The analytical solutions can be attained by the approaches of self-similar functions.

采用自相似函数的方法可以获得解析解。

The boundary of analytical model and statistical model is clearly divided in this performance model, and evaluation accuracy is improved. Secondly, based on embedded SRAM performance hybrid model, this article adopts bionics algorithm-ant algorithm to optimize hierarchical embedded SRAM structure. This method which adjusts memory system structure improves memory system performance. Finally, considering the factors such as memory cell area, power, delay and reliability, this article establishes static 6-T memory cell area, power, delay and static noise margin equations, analyzes 6-T memory cell device dimension constraints under "read upset" and "write upset", then proposes a method to enhance embedded SRAM performance by optimizing 6-T memory cell size. In order to realize embedded SRAM design and verify proposed optimization methods, this article takes the Garfield202 system chip as the platform, which embeds A720T processor and 20KB Scratch-Pad memory.

首先针对嵌入式SRAM结构，采用多元线性回归方法分析SRAM宏单元性能指标，采用解析方法分析控制电路延时，结合以上这两种方法建立嵌入式SRAM性能混合模型，该模型清晰划分两种建模方法的各自适用范围，提高了模型精度；其次以该混合模型为基础建立存储体性能目标函数，采用仿生优化算法—蚂蚁算法优化嵌入式SRAM结构，使之达到最优设计；最后综合考虑面积、功耗、速度以及可靠性等因素，建立静态6-T存储单元面积、功耗、延时以及静态噪声容限方程，分析了&读破坏&和&写破坏&的晶体管尺寸约束，优化了6-T存储单元尺寸，提高了嵌入式SRAM性能。

Firstly, we test that the error data are not normal distribution, and even the expectation is not zero. Then we analyze the possible type distribution of these error data. Finally, we use the stepwise method to fit the error data and obtain a function for some parameters of the SAIL model. As prior knowledge, the fitting function will be used to inverse these parameters ofthe SAIL model soon.

首先检验了误差数据不服从正态分布，甚至均值不为零；然后对误差数据可能服从的分布类型给予了解析，得到了指数分布和混合正态分布两种不同类型的可能分布；最后拟合了误差关于SAIL模型部分参数的函数表达式，以作为先验知识应用于反演之中。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。