查询词典 nonlinearity

The paper also studies on the signal processing of pincushion 2D PSD and measure position nonlinearity. The position Error and the position nonlinearity are smaller than the standard of the pincushion 2D PSD of Hamamatsu, which reach the purpose of design.

本文还对枕型二维PSD的信号处理技术进行了研究，并对其进行了位置线性度测量，与日本滨松的枕型PSD器件参数比较，我们制作的枕型PSD的位置线性度达到或者优于其标准，达到了设计的目标。

A diffractive unit which can reduce the effect of the nonlinearity of the photoresist recording material to produce a diffractive device with brilliant color, and describes a method for recording.

一种可降低记录光阻记录材料非线性效应的绕射单元，它可以产生明亮多彩的绕射图案，并揭示其记录的方法。

The absolute stability of neutral delay systems with sector-bounded nonlinearity is studied.

研究了具有扇形有界非线性的中立型时滞系统的绝对稳定性。

In big science times, this kind of nonlinearity characteristic shows prominently: The totalite, fluctuant and accelerative of science development.

在大科学时代，这种非线性特征表现尤为突出：科学发展的整体性、发展的波动性、发展的层次性以及发展的加速性。

Boolean function; algebraic degree; correlation immunity; resilient; nonlinearity; balancedness

论文导师戚文峰，论文学位硕士，论文专业密码学

Chapter 4 presents five design criteria of S-boxes of block ciphers, develops a method of constructing large S-box by use of algebraic group operation, proves the balance property of these large S-box, tests the strict avalanche and independence of avalanche variables properties of S-boxes in NEA cipher, analyses the nonlinearity and best linear approximation of the S-box, and finally defines the differential of input/output of S-boxes of this cipher and analyses the distribution of them.

第二部分即第三章，提出了一种新的分组密码类NEA(NEA-4A，NEA-8A，NEA-4B，NEA-8B)，完整地描述了该密码类的加解密过程和密钥协议；证明了NEA-4B和NEA-8B的完全对合性和没有不动点的性质；分析了该密码类的安全特征；具体地介绍了实现该类密码的途径；给出了NEA-4A的计算机C语言程序和样本数据。

An extended hyperbolic mild-slope equation, which can take such terms as wind input, bottom friction and nonlinearity of wave into account, here has been deduced into a parabolic one in the form of a series of governing equations described with complex amplitude. It became a complete wave model when integrated with corresponding physical and imaginary boundaries, and can be solved through the improved Crank-Nicholson or the well known Alternating Direction Implicit difference method, both of which can accelerate the convergent speed , expand limitation of the mathematical method and improve the quality of the solution.

本文基于综合考虑底摩阻、风能输入及非线性影响的推广双曲型缓坡方程，将其进行转换，产生一个演变方程，其复振幅控制方程为抛物线性，并采用ADI差分格式、改进的Crank-Nicholson格式及相应的物理和虚拟边界条件进行求解，以提高数值模拟的适用性、数值计算的稳定性、收敛速度及精度。

Using the photorefractive saturable nonlinearity, we fabricate both types of step and gradient photorefractive phase components through the ways of digital recording and analog recording respectively under different ratios of light intensity I/Id.

利用光折变饱和非线性，首次在不同光强比条件下通过数字和模拟记录两种方式分别制作了阶跃型和梯度型位相元件。

Our difficulties are overcome in this paper by using the method of generalized normal sectors, provided by [Nonlinearity 17(2004): 1407-1426], which allows curves and orbits to be part of its boundary, may not be an angular neighborhood of the characteristic direction.

通过利用文献[Nonlinearity 17(2004)，1407-1426]中提出的广义正常区域方法，我们的困难得以克服，其中允许曲线或者系统轨道为广义正常区域的边界，而且该区域也不一定是要研究的特殊方向的角形邻域。

Sequencing batch reactor for biological wastewater treatment has complex biochemical mechanism.Its inherent high nonlinearity,limited duration and astable running bring about exceptional difficulties in process monitoring.

序批式反应器生化污水处理系统具有复杂的生化反应机理，其固有的严重非线性、持续时间有限、非稳态运行等给其过程监视带来特殊困难。

Article 144 The Government of the Hong Kong Special Administrative Region shall maintain the policy previously practised in Hong Kong in respect of subventions for non-governmental organizations in fields such as education, medicine and health, culture, art, recreation, sports, social welfare and social

第一百四十四条香港特别行政区政府保持原在香港实行的对教育、医疗卫生、文化、艺术、康乐、体育、社会福利、社会工作等方面的民间团体机构的资助政策。原在香港各资助机构任职的人员均可根据原有制度继续受聘。

Small wonder, then, that the Chinese spend more in the shop than any other group of foreign visitors do .

这样的小惊喜，使中国顾客比任何国家的人消费得更多。