将对称密码算法和非对称密码算法共同使用，增强了应用系统的安全性。
Using the symmetric algorithms and the asymmetric algorithms together security performance of the application system is improved.
在基于非对称加密系统中的RSA算法和MD 5报文摘要算法上，提出了一种基于IC卡的数字签名方案。
Based on RSA algorithm of unsymmetrical cryptographic system and MD5 message-digest algorithm, the paper presents a digital signature scheme based on IC card.
首先，建立了阀控非对称缸位置控制系统与力控制系统的数学模型。
At first, it studied the plant model of position and force system about valve control unsymmetrical hydraulic ram.
公开钥密码系统或非对称密码系统是实现和保障信息安全的一种重要方式。
The public key cryptosystem or the asymmetric cryptosystem is an important way to implement and ensure information security.
根据精馏段和提馏段热耦合的相对位置不同，外部热耦合复合精馏塔系统可分为对称型和非对称型两种结构。
According to the relative positions of thermal coupled rectifying and stripping sections, the configurations of the system involved two types, symmetrical EHIDDiC and asymmetrical EHIDDiC.
在ADSL(非对称数字用户线)系统中，传输的数据在进行调制以前，需先进行组织并加入开销数据后形成帧和复帧。
In an ADSL system, transmitted data are organized and overhead data are inserted to form the frame and superframe before the process of modulation.
在网格环境中，并行系统本身非对称带来的复杂性、多用户环境以及并行任务粒度较粗等因素给负载平衡问题的解决带来了新的困难。
In grid environment, the parallel systems inherent complexity, the mult-user environment and the large granularity of parallel tasks and so on, bring new difficulty to load balance.
对船用舵机泵控系统中位置控制单元的三通阀控制非对称缸和四通阀控制对称缸的两种设计方案进行了理论分析和系统结构分析。
Two design strategies that three-way valve control unsymmetrical cylinder and four way valve control symmetrical cylinder were analyzed from principle and system structure aspects.
针对这种运动非对称大惯量系统，提出一种把升、降速单一模型通过软件复合对系统进行控制的方法，并构建了相应的控制系统。
Proposes a method to control the system by combining the processes of acceleration and deceleration through software. It constructs corresponding control system.
分析了非对称气动伺服阀控单作用气缸的气动压力控制系统的数学模型。
The mathematical model of a pneumatic force control system with an asymmetric servovalve and a single-acting cylinder were described.
阀控非对称缸由于结构简单、空间体积小，广泛地应用于液压伺服系统中。
Because of the simple structure and small spatial volume, valve controlled asymmetric cylinder is widely applied in hydraulic servo system.
以测试冻土冻胀的力学行为为研究背景，设计了一套基于阀控非对称缸的液压力控制系统。
By regarding testing mechanics behaviors of frozen soil frost heave as the research background, a hydraulic force control system was designed on the basis of valve control asymmetric cylinder.
文章基于非对称加密系统中的RSA算法和MD 5报文摘要算法，提出了一种数字签名的实现方案。
Based on RSA algorithm of unsymmetrical cryptographic system and MD5message-digest algorithm, the paper presents an application scheme of digital signature.
通过对非对称渐开线圆柱直齿轮齿根弯曲应力的分析，结合接触强度的计算公式，建立了系统的数学模型。
Having analyzed the dedenda's bending stress of involute gears with asymmetric teeth, and the formula of contract strength, mathematic model of the system is built.
在WCD MA无线网络中，由于新业务的非对称性，下行链路更有可能成为系统容量的瓶颈。
Because of some new asymmetric services, the downlink is more likely to be the bottleneck of the system capacity in the WCDMA wireless networks.
理论分析和仿真结果表明，该非对称水印系统能够提供可靠的非对称检测，系统鲁棒性高。
The theory analysis and simulation results demonstrate that the asymmetric watermarking system can provide reliable asymmetric detections, and it has high robustness .
数值模拟表明，无论是注入光的对称耦合驱动控制还是非对称耦合驱动控制，该方法都能有效地使混沌系统同步。
Numerical simulations show that by this method chaotic synchronization can be achieved effectively no matter whether or not the coupling driving control of the injection lights is symmetrical.
指出流动非对称性是绕流系统在适当流动条件下表现出的一种内在属性(一种分岔行为)。
It is indicated that the flow asymmetry is an inherent property (a bifurcation behaviour) of the flow field as a nonlinear dynamic system under appropriate flowing conditions.
产品类型POTS分离器。系统的应用，非对称数字用户线路。
Product type POTS splitter. System application asymmetric digital subscriber line.
针对阀控非对称缸系统，分别推导了液压缸正反向运动时的状态方程，并最终统一成一个非线性模型。
The state equations is deduced for the valve con - trolled asymmetrical cylinder system when the cylinder moving forward and reverse, and one nonlinear model is finally integrated.
差动缸液压伺服系统往复运动是非对称的。
The reciprocating motion of differential cylinder servo system is asymmetrical.
对于几何非对称试件规则断裂实现中的支座调整问题，本文初步提出了一种步进电机控制系统。
On the problem of supports adjusting in the regular fracture realization of geometrically asymmetric sample, this dissertation proposes a kind of stepping motor control system tentatively.
该分析以非对称数字环路传输系统为例，其噪声在DC附近集中。
The asymmetry digital circuit transmission system was taken as example. The noise was gathered around DC.
提出了一种基于混沌动力系统同步原理的非对称数字水印构造方法。
A method of making an asymmetric digital watermarking based on chaotic synchronization theory is proposed in this paper.
本文讨论具有非对称阻尼、刚度矩阵的一般振动系统多输入部分极点配置问题。
In the paper, partial pole assignment is studied for general vibrating systems with non_symmetric damping and stiffness matrices.
对称密钥系统较之非对称密钥系统具有惊人的速度优势，但是管理对称密钥系统的密钥却是需要解决的一个难题。
The symmetric key systems compared with asymmetric key systems have astounding speed benefits, but managing their keys has always been difficult problem to be solved.
因此对其电液驱动模型进行系统研究，尤其是对非对称单杆液压油缸驱动机构研究是至关重要的。
So it is of great importance to research the mechanical and electrical driving system, especially the unsymmetrical actuators.
对称系统像差中存在少量的非对称像差对复原结果的准确性影响不大。
It doesn't influence the veracity of recovered results much even if there exists a small unsymmetrical aberration in the aberration of the symmetrical system.
如何针对上、下行链路的非对称特性设计高效的传输系统已经成为未来移动通信系统的一个关键问题。
How to design an efficient transmission system according to the asymmetry of uplink and downlink has become a key issue in future mobile communications systems.
本文对具非对称粘滞阻尼的振动系统提出一种约束部件模态综合法。
A constrained component mode synthesis method for asymmetric viscous damped systems is presented.
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