查询词典 exponential distribution

The influence of sound field intensity on removal efficiency was studied, as well as the shift features of particle size distribution.

利用该实验平台，研究了声场强度对细颗粒清除效率的影响以及颗粒粒径分布的迁移特性。

It is found from the analytical expression that the truncation parameter, which is defined as the ratio between the waist of the Gaussian beam and the radius of the lens, has an important effect on the diffraction field distribution of the lens.

应用这个表达式研究了截断参数（透镜的半径与高斯光束束腰半径的比值）对透镜衍射场分布的影响。

Optimizing the optical field distribution of solid immersion lens microscopy systems using the three-zone amplitude-only and phase-only filters.

用三区振幅和相位滤波器优化固体浸没透镜显微系统的光场分布。

In this paper, we at fist analyse the distribution of magnetic field in the permanent magnet synchronous motor which rate power is 800W and calculate parameters of this motor On t...

并在传统的计算电枢反应电抗的基础上提出了一种基于电势平衡方程式的计算方法，本论文称之为"电势法"。

The influence is reduced to tolerable range by modifying injection central orbit and field distribution of the magnet.

通过改变注入束流中心轨道及对磁铁的重新设计，将磁铁边缘场对注入束流的影响减小到可以控制的范围。

In ordor to weave the varied weft density fabric of which weft distribution pattern is prescribed in sections,the definition field of fabric′s weft density function is divided into continuous and discrete intervals according to the variation characteristics of weft density of fabric.

为织造出分区段设定纬密变化的疏密纬织物，根据织物的纬密变化特点，把织物纬密函数的定义域分成连续区间和离散区间；在此基础上，对于分段连续且可能存在间断点的连续区间，建立了卷取量方程；分析并确定了织物各纬卷取量的解区间，给出了卷取量的求解方法——以解区间足够小为解判据的二分法，并阐明了求解方法在间断点处的有效性；对于由离散点构成的离散区间，给出了区间端点卷取量的取值方法和区间中各纬卷取量的确定方法。

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 F〓; 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n元完全非线性函数存在性与否的完整证明，并利用有限域上平衡的p-多项式的性质给出了有限域上完全非线性函数的一些基本构造方法。

The authors found various factors that affect the shapes and distribution of hydrothermal plumes from various field measurements of events and analyzed various hot topics of oceanographic research such as hydrothermal black smokers and extreme ophiles,which provides a basis for the investigation and theoretical study of deep-sea hydrothermal activity.

本文对海底热液活动的调查研究过程和现状进行了回顾，重点分析了热液喷溢动力过程的理论研究成果，从实测事件数据的研究成果中找出了影响热液柱的形态和分布的各种因素，并对热液烟囱和极端温度微生物等海洋学研究热点进行了分析，为深海热液活动调查和理论研究提供基础。

The air flow condition and the distribution of temperature field in the sets cabin of Scheme II is the best compared the other two.

方案Ⅱ机组舱内空气流动情况最好，温度场的分布也要好于其他两种方案。

It is an useful work to analyze distribution of track and field item in our country, which is helpful for learning present status and future development of track and field sport of our country.

我国幅员辽阔，认真分析田径运动项目在我国各地的分布状态对了解我国田径运动的现状和规划未来的发展将是一项有益的工作。

In contrast to the ubiquitous rising-sun-with-rays military flag of the Japanese, Chinese banners and ensigns feature a range of designs.

与遍地都是的太阳军旗不同，中国人的旗帜和徽章设计得各式各样。

From their small corner of Feng's Guangzhou headquarters -- a jumble of pink leashes, squeezable rubber steaks, and plastic doggy Santas for Fido's stocking -- Soleil's designers come up with at least five new products a month.

从Feng 设在广州总部的产品展示柜台上可以看到，Soleil的设计师每月至少设计出5件新产品。