查询词典 schemes

Chaper 3 is general description of ADA encryption. Chapter 4 deals with the transform domain encryption. Includes the element of perfect and quasi-perfect transform domain encryption, and presents two type new schemes. Chapter 5 deals with asynchronous ADA encryption. Extends the general theory and model of asynchronous ADA scrambling, and introduces two type phase-distortion-free a synchronous ADA schemes. Chapter 6 is about new direction of ADA encryption. Includes TASI scrambling, transform domain dummy insertion scrambling, noise coving scrambling and other multi-dimension ADA scrambling, and proposes an adaptive dummy spectrum insertion asynchronous scrambling and a new adaptive noise-coving DFT scrambling algorithm. Chapter 7 is on permutation key. presents part results on permutation features, selecting criterion and constructing method. Chapter 8 introduces the hard and software design of a common ADA encryption/decryption system, and presents the experimental results on several proposed ADA encryption schemes.

第一章为绪论；第二章为语声信号、及其处理基础；第三章为模数模加密的一般描述；第四章为变换域加密研究，包括变换域加密机理，变换域完善与准完善保密研究，提出两种新的变换域加密方案；第五章为异步模数模加密研究，扩充了异步模数模加密的一般理论，介绍了两种新的无相位失真异步加密方案的原理与实现方法；第六章对模数模加密新方向：TASI应用途径、变换域伪谱插空置乱、噪声掩盖、多维置乱加密的原理和方法进行介绍，提出了自适应伪频插空异步模数模置乱算法与自适应DFT系数噪声掩盖置乱新算法；第七章为置换密钥性质、筛选准则以及构造方法研究的部分结果；第八章介绍了通用模数模加/解密实验系统的硬件、软件研制概况，并给出了几种加密方法的实验结果。

In view of the dialectic relation between certainty and uncertainty, the schemed index set and ideal index set were taken as a set pair to define the connectivity distance of generalized weight between all other schemes and the positive scheme as well as the distance between all other schemes and the negative schemes.

从确定性与不确定性辨证关系出发，将方案指标集与指标理想集作为集对，给出了各方案与正理想方案的广义权联系度距离定义、各方案与负理想方案的广义权联系度距离定义，讨论了现阶段集对分析在多属性决策中的应用情况，指出了其存在的不足，提出了基于广义权联系度距离的多属性决策模型，并将其应用于矿山设备优选中。

This paper simulates three jobbing sheet construction schemes of air duct structure in a certain subway station project by using the strong pre-and post-processing functions of FLAC~(3D), and separately calculates the sedimentation value of ground after construction by the three schemes through analog calculation, in order to evaluate the quality of the three jobbing sheet construction schemes.

利用FLAC3D强大的前后处理功能来模拟某地铁车站工程风道结构的三种中板施工方案，并通过模拟计算，分别计算出三种中板方案施工后地表的沉降值，以此来评选三种中板施工方案的优劣。

A general Godunov finite difference schemes-WENO schemes which had fifth-order accuracy was used to make a numerical calculation for 2-dimensional axis symmetrical laser-supported plasma flow field under laser ablated solid target and laser ablated propulsion efficiency parameters(mechanical coupling coefficient etc.) was obtained by the simulation.The models of the calculation of ionization degree of plasma and the interaction between laser beam and plasma and the simplified eos of plasma were considered in the simulation.

采用针对高温气体电离度的一种近似计算方法，以及具有五阶精度的广义Godunov差分格式-加权本质无振荡格式WENO(weighted essentially non-oscillatory schemes)，给出了高温气体状态方程的简便描述，并考虑激光与等离子体的相互作用，模拟了强激光与固体靶相互作用时激光支持靶面等离子体流场的动态物理过程，并给出了不同参数条件下激光烧蚀固体靶的推进效应参数。

Thirdly,incorporated into A-stability theory of recursion schemes,the A-stability ofthe precise integration schemes with high(＞2)order precision is proved, not only implicitintegral schemes,but also explicit integral schemes.

通过讨论递推格式的A稳定性，证明了精细积分格式不仅具有A稳定的隐式积分格式，而且具有A稳定的显式积分格式，且其阶数都存在超过2的形式。

Introduced the mathematics theories foundation of the symplectic schemes, include the commonly established methods for construction symplectic schemes, which are symplectic Runge- Kutta method, symplectic propagation techniques and generating function method. A minimization of the truncation error-function and optimal Courant-Friedrichs-Levy number schemes are well established using sympletic propagation techniques.

介绍了辛算法的数学理论基础，包括辛算法常见的构造方法：辛Runge-Kutta法，辛传播子技术及生成函数法，利用辛传播子技术结合误差最小化及稳定性Courant-Fredrichs-Lewy条件数最大化的两种优化方案，构造了新的传播子系数；(2)。

From the viewpoint that the size of the image reconstructed is changed or not, visual cryptography schemes can be calculated into pixel expanded schemes and pixel unexpanded schemes.

从恢复出的图像大小是否发生变化来看，视觉密码方案分为像素扩展的密码方案和像素不扩展的密码方案。

In this paper, according to the features of assessment index for the cleaner production, the unexpected input, the multi-usage of resources and energy is used as output, while the unexpected output, index of pollutants as input. Then the data envelopment analysis is applied to assess the cleaner production schemes for enterprises to find out the nonpaying schemes. Then improve the nonpaying schemes into effective ones.

本文根据清洁生产评价指标的特征，将资源能源综合利用指标等非期望输入等作为一种输出，污染物指标等非期望输出作为一种输入，引入到数据包络分析模型中，对企业的清洁生产方案进行科学客观的有效性评价，并找出非有效的方案，时其进行有效性改进。

Finally, quota schemes have the highest likelihood of evincing positive incentive effects, followed by piece-rate schemes, tournament schemes, and fixed-rate schemes.

最后，配额计划有正面的激励效应evincing最高的可能性，以计件工资计划，比赛计划后，和固定利率计划。

Briefly presents the working principle and the characteristics of ice storage system and VRV air conditioning system. According to the feature of the project and the requirement of the owner, recommends two air conditioning schemes for the building, proffers the main equipment configuration and structure of two schemes. Compares two schemes in initial investment, operating cost, occupied space, service life and maintenance management.

简要介绍了冰蓄冷系统及 VRV 空调系统的工作原理及特点，根据工程特点和业主要求，推荐了两种空调方案，给出了其主要设备及系统组成，并对两方案的初投资、运行费、占用面积、使用寿命、维护管理等进行了比较。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。