分辨

In essence, stream cipher is such a pseudorandom generator that its chaos sequence of output and random sequence are computational indistinguishability; and the aim in designing block cipher materially is to design a pseudorandom permutation which is computationally indistinguishable from random permutations.

实际上，序列密码本质上就是一个伪随机生成器G，其输出的乱数序列和随机序列是计算不可分辨的；而分组密码的设计目标实质上就是设计一个伪随机置换，它与随机置换是计算不可分辨的。

Diffractive characteristic of periodic structure objects were analyzed and generalized by the principle of the recordation and reappearance for spatial information of object by photons. Ordinary Moire effect can be regarded as the limit of the coherent Moire effect.

为拓展周期结构成像的应用领域，论文在分析了信号与系统关系的基础上，提出将扩大系统综合孔径实现超分辨成像方法延伸到亚波长段，用Talbot效应和莫尔条纹技术实现亚波长周期结构超分辨成像。

Combined with the basic principle and method of the radar multitarget resolving ,the application of time frequency analysis is discussed for nonrigid multitarget resolving.

从雷达多目标分辨的基本原理和方法出发，探讨了时频分析在雷达非刚性多目标分辨中的应用问题。

First of all, the basis of the MRTD method is studied. In Chapter 2, wavelets analysis and multiresolution analysis, the mathematical basis, are introduced, and the characteristics of the wavelets basis functions, including orthonormality, compact support, multiresolution and so on, are also introduced. The advantages of the applications of these functions to the numerical electromagnetic calculations are discussed. In Chapter 3, the algorithm basis of MRTD: the combination of the wavelets and the method of moments is studied. This Chapter shows that the MoM based MRTD method is the combination of wavelets and MoM using Galerkin sampling.

文中首先讨论了 MRTD 的建立基础，其中第二章介绍了其数学基础－小波分析及多分辨分析，讨论了小波基函数的性质包括正交性、紧支撑性、多分辨性等及其应用于电磁场数值计算的优势；第三章讨论了其算法基础－小波与矩量法的结合，阐述了以矩量法作为算法基础，以 Galerkin 离散采样的方式与小波函数结合而产生了 MRTD。

First of all, the basis of the MRTD method is studied. In Chapter 2, waveletsanalysis and multiresolution analysis, the mathematical basis, are introduced, and thecharacteristics of the wavelets basis functions, including orthonormality, compactsupport, multiresolution and so on, are also introduced. The advantages of theapplications of these functions to the numerical electromagnetic calculations arediscussed. In Chapter 3, the algorithm basis of MRTD: the combination of the waveletsand the method of moments is studied. This Chapter shows that the MoM basedMRTD method is the combination of wavelets and MoM using Galerkin sampling.

文中首先讨论了 MRTD 的建立基础，其中第二章介绍了其数学基础－小波分析及多分辨分析，讨论了小波基函数的性质包括正交性、紧支撑性、多分辨性等及其应用于电磁场数值计算的优势；第三章讨论了其算法基础－小波与矩量法的结合，阐述了以矩量法作为算法基础，以 Galerkin 离散采样的方式与小波函数结合而产生了 MRTD。

Secondly, femtosecond time-resolved studies using fluorescence depletion spectroscopy were performed on Rhodamine 700 and Oxazine 750 in solutions to study the ultrafast dynamics, such as vibrational relaxation and the energy transfer from the solute to solvent. The orientational relaxation process of these dye molecules have been study in solution by the polariton resolved FS TR SEP FD.

我们利用此技术，对LD700和OX750两种染料分子电子激发态的振动弛豫和溶质与溶剂分子间碰撞传能等超快动力学过程进行了详细地实时研究，获得了它们的激发态分子在不同溶剂和体系温度等实验条件下的飞秒时间分辨荧光亏蚀谱：并首次采用极性分辨的飞秒荧光亏蚀光谱技术研究了溶质的取向弛豫过程。

Using a combination of fiber array,electron-multiplier phototube and digital oscilloscope for recording a comb fringe signal,the velocimeter was capable of 1 ns time resolution and 86 μm spatial resolution.

系统采用梳状干涉条纹做为信号载体，利用1维光纤阵列＋光电倍增管＋数字示波器替代变像管扫描相机作为记录设备，记录伪推挽四路干涉信号，实现1 ns时间分辨和86 μm空间分辨。

With simultaneous picosecond temporal resolution and nanometer spatial resolution for each framing image, is proposed in this dissertation.

分幅电子显微技术是将电子显微技术的高空间分辨特性与交叉点扫描多光阑分幅技术的高时间分辨特性相结合，能够以ps量级的时间分辨率和nm量级的空间分辨率获得样品在不同时刻的多幅显微图像。

Spatial resolution of 10um is achieved by combining it with pinhole imaging system.

根据采用的布拉格分光元件和图像还原方法，谱仪的能量分辨达到了50～200；针孔成像的空间分辨优于10μm。

Use of tensor product can be from one-dimensional analysis directly from the two-dimensional multiresolution analysis, thus conveniently be constructed of two-dimensional wavelet and wavelet packet and the corresponding decomposition and synthesis algorithms.

利用张量积方法可以从一维多分辨分析直接得到二维的多分辨分析，从而方便地构造得到二维小波和小波包以及相应的分解和合成算法。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。