系统树
- 与 系统树 相关的网络例句 [注:此内容来源于网络,仅供参考]
-
This paper proposes an universal e-cash system based on partially blind signature which can be divided to small pieces of arbitrary number one time, so-called single-divisibility.
针对通用电子现金系统的难点在于其可分性,本文提出的方案以SK00系统为基础,实现其转移性(SK00公开问题),并给商家颁发电子执照行使银行的部分职能,进而提出了一个显式可分(即一次性任意分割电子现金)的离线电子货币系统;同时利用以前的技术实现了一个采用树型结构的可分电子现金系统,并比较了这两个方案和以前方案的效率;二者安全性基于离散对数问题和强无碰撞Hash函数安全性;最后本文利用代理签名给出了一个新的部分盲签名方案。
-
The proposed mechanism improves the speed of lookup dictionary and of course the speedup is achieved at the expense of a little space. Experiments show that the method is effective and about three times faster than PATRICIA tree.
通过实验,使用该方法与 PATRICIA 树检索算法在时间效率上进行了比较,结果表明:该方法比 PATRICIA 树的检索速度提高了三倍,能满足大规模汉语信息处理系统的需要。
-
In this strategy, the unknown nonlinear functions are approximated by the fuzzy tree model to obtain the prototype controller; the linear parameters in the fuzzy tree model are adjusted online to improve the performance of the controller in realizing the tracking control to a bounded set point input.
该方法用模糊树模型逼近非线性系统中的未知非线性函数,得到初始的控制器,然后在线调节模糊树模型中的线性参数,改善控制器的性能,实现对有界参考输入信号的跟踪控制。
-
Based on the systems analysis of the ecosystem in intervale region of south China, the feedback structure model of the ecosystem was established by rate variable fundamental in? tree modeling of System Dynamics.
在对红壤丘陵区生态系统进行系统分析的基础上,利用系统动力学的流率基本入树建模法,建立了红壤丘陵区生态系统的反馈结构模型。
-
The security of PKI system itself is especially emphasized during the system design and implementation process, which is in accordance with the pervasive characteristic of PKI. Second, the concept of a Trusted Key Management Center is introduced for the first time. This technology greatly strengthens key management practices and allows for smooth transition from PKI to Key Management Infrastructure. Third, certificate status mechanisms are investigated in depth, and a certificate revocation performance simulation system is devised. All these work will provide guides to practice and employment of PKI applications. Based on time constraints, a new taxonomy for authenticated dictionaries is proposed. Fourth, formal analysis ofOCSP protocol is carried out; then an efficient and scalable OCSP system is developed. Fifth, the special requirements caused by the working environments of Wireless PKI are analyzed. Based on communicative hashing and dynamic Merkle hash tree, an efficient certificate status validation method suitable for WPKI is presented. Sixth, one important kind of fair exchange protocols is studied, and a new CEMBS based on RSA cryptosystem is proposed. Afterwards, a novel fair exchange protocol totally based on RSA signature scheme is devised.
在系统设计和实现的过程中,考虑到PKI作为普适性安全基础平台的特点,特别强调PKI系统自身的安全性;第二,首次在PKI系统的设计中提出了"可信密钥管理中心"的概念,这一独特设计大大地强化了密钥管理功能的实施,为PKI向密钥管理基础设施的平滑过渡提供了良好的技术准备;第三,对证书状态验证机制进行了深入研究,设计了证书状态模拟系统,以指导PKI系统和应用的部署和实施;在此基础上,基于时间约束首次给出了认证字典的一种新的分类方法;第四,对OCSP协议进行了形式化分析,设计和实现了一种高效、可扩展的OCSP系统;第五,分析了WPKI工作环境对设计安全基础平台提出的特殊要求,结合无线移动设备的具体特点,基于可交换杂凑函数和动态Merkle杂凑树设计出了一种适用于WPKI环境的高效证书状态查询机制;第六,对一类公平交换协议进行了深入的研究,从设计公平交换协议的密码基础结构出发,提出了一种新型的基于RSA密码体制的高效CEMBS;在此工作的基础上,设计了一种基于RSA密码体制的最优化公平交换协议。
-
The security of PKI system itself is especially emphasized during the system design and implementation process, which is in accordance with the pervasive characteristic of PKI. Second, the concept of a Trusted Key Management Center is introduced for the first time. This technology greatly strengthens key management practices and allows for smooth transition from PKI to Key Management Infrastructure . Third, certificate status mechanisms are investigated in depth, and a certificate revocation performance simulation system is devised. All these work will provide guides to practice and employment of PKI applications. Based on time constraints, a new taxonomy for authenticated dictionaries is proposed. Fourth, formal analysis of OCSP protocol is carried out; then an efficient and scalable OCSP system is developed. Fifth, the special requirements caused by the working environments of Wireless PKI are analyzed. Based on communicative hashing and dynamic Merkle hash tree, an efficient certificate status validation method suitable for WPKI is presented. Sixth, one important kind of fair exchange protocols is studied, and a new CEMBS based on RSA cryptosystem is proposed. Afterwards, a novel fair exchange protocol totally based on RSA signature scheme is devised.
在系统设计和实现的过程中,考虑到PKI作为普适性安全基础平台的特点,特别强调PKI系统自身的安全性;第二,首次在PKI系统的设计中提出了"可信密钥管理中心"的概念,这一独特设计大大地强化了密钥管理功能的实施,为PKI向密钥管理基础设施的平滑过渡提供了良好的技术准备;第三,对证书状态验证机制进行了深入研究,设计了证书状态模拟系统,以指导PKI系统和应用的部署和实施;在此基础上,基于时间约束首次给出了认证字典的一种新的分类方法;第四,对OCSP协议进行了形式化分析,设计和实现了一种高效、可扩展的OCSP系统;第五,分析了WPKI工作环境对设计安全基础平台提出的特殊要求,结合无线移动设备的具体特点,基于可交换杂凑函数和动态Merkle杂凑树设计出了一种适用于WPKI环境的高效证书状态查询机制;第六,对一类公平交换协议进行了深入的研究,从设计公平交换协议的密码基础结构出发,提出了一种新型的基于RSA密码体制的高效CEMBS;在此工作的基础上,设计了一种基于RSA密码体制的最优化公平交换协议。
-
The design of the platform is based on Multi-Agent system theory and our lab's research project -- PAMR (Pedrail Autonomous Mobile Robot).
本文首先介绍了智能体及多智能体机器人系统的概念,研究了其系统结构,提出多层次智能体树结构模型;然后根据该模型,结合嵌入式实时系统和履带式自主移动机器人的分布式硬件系统的特点,研究设计了机器人软件系统支撑平台。
-
Tricholoma may be a paraphyletic genus two. The collections identified as T. caligatum is a mixture. Some parts of them from France are members of T. matsutake, the other parts from North America are closed to T. bakamatsutake and T. fulvocastaneum. Tricholoma robustum and T. focale form a clade which is obviously a sister group of the stirp Subannulate. The stirp Caligata was defined as a group mainly on the basis of the predominant veil. But from the result of molecular systematic analysis, the presence of veil is not a stable character in the matsutake group. Species having symbiosis with conifers and broad leaf tree are all transformed from those whose host specificity is not strict. The phylogenetic tree based on ITS sequences resembled the tree of NJ algorithm based on cladistic coding. In the phylogenetic tree based on morphylogical characters, T. zangii and T. bakamatsutake form a clade, but it is the result of convergent evolution as suggested by molecular analyses. The distribution area of the matsutake group can be divided into six regions: middle and northern Europe region, Mediterranean region, Hengduan Mount.— Southeastern Tibet region, Northeastern China—Japan—Far-east Russia region, the Atlantic—North America region and the Rocky Mountain region. The abundance center of the matsutake group are Hengduan Mount.—Southeastern Tibet region and the Rocky Mountain region. Hengduan Mount.
松口蘑群的分子系统学研究得出的结果有:由于粗壮口蘑和羽衣口蘑明显和亚环族(Tricholoma,section subannulate)的种类是来自同一个谱系,和其它松口蘑群的种不具有最近共同祖先,因此松口蘑群是一个多系群;松口蘑群和口蘑属其他种类的亲缘关系比和蜜环菌属更接近;梭柄松苞菇和松口蘑群的差距明显小于油黄口蘑(T.flavovirens)和棕灰口蘑;口蘑属是一个多系群;鉴定为欧洲口蘑的标本明显不是一个单系群,其中一部分是松口蘑,另一部分和黄褐口蘑及傻松口蘑(T.bakamatsutake)比较接近;划分松口蘑群的标准是菌环的存在,但从分子系统学的结果来看,菌环的存在与否并非是一个很稳定的性状;和针叶树专性共生及和阔叶树专性共生均由寄主专化性不强的种类转化而来;在形态学系统发育树上青冈口蘑和傻松口蘑被聚为一个分枝,分子系统学的研究结果表明,这是趋同进化的结果;用支序方法编码作出的NJ树的结果更接近ITS序列的结果。
-
And an on-line adaptative training algorithm of the weights of neuron is given, which enhances fusion precision of the model, fault tolerance and adaptive ability for subsystems 4 In order to diagnose the soft fault of integrated system, a new fault detection method is proposed based on federated filter, which can detect fault of system in short interval and greatly enhance the method sensitivity to fault A fault diagnosis method of Dynamically Tuned Gyro baesd on parameter estimation of kinetics model of rotor, and signal pretreatment, parameter estimation and strategy of fault identification are studied in detail The method can locate fault of DTG correctly and effectively, which provides a new approach and idea for gyro fault diagonsis 5 In order to diagnose the hard fault of integrated system, fault tree analysis is studied on fault disgnosis of integrated system circuits, and the hardware and software of disgnosis system are developed, with faults located to main module and circuit For futhur diagnosis, an optimal measurement technology in detection of circuits is discussed by improving an algorithm based on information theory, and a pratical method based on half-split method is proposed.
针对组合系统的软故障诊断问题,提出了基于联合滤波模型的一种新的故障检测算法,给出了算法的理论推导过程,该算法能在较短的时间内检测出系统故障,提高了算法对故障的敏感度;研究了基于动调陀螺转子动力学模型参数辨识的故障诊断方法,就其中的信号预处理、参数辨识及故障决策方法等关键技术进行了详细的研究,该方法可以正确、有效地检测与定位动调陀螺故障,为陀螺故障诊断提供了新的途径和思路。 5。针对组合系统的硬故障诊断问题,研究了基于系统浅知识推理的故障树法在组合系统电路子系统故障诊断中的应用,开发了相关诊断系统的软硬件,故障可定位到系统的主要功能模块和电路板级。为了进一步的故障定位,研究了电路板故障的最优检测问题,完善了基于信息理论的优化算法,并提出了基于&对分法&的一种实用的优化算法,故障可定位到电路板的主要功能元件级。在组建的SINS/GPS组合系统实验平台上,针对上述研究内容,进行了大量的实验研究。
-
A bstract: this system main contents is launching under the discussion of book sale management system, which main aim at a book batch to sell and retail sales sale is lord but carry on designing , in keeping with book's sell retail of management, specially be applicable to book market and book batch resources that sell company's coordination management.the system source code adopt c# language by writing format and in the vs.net 2005 integration environment bottom adjust to try to carry on, the sql server of the database adopt be 2000 backstages.it's system's turn to is a great deal of adoption abundant database technique, have already aim at a mold piece line of development, among them database operation layer technique a great deal of adoption saving process and trigger a machine of application, database interview layer technique adoption microsoft company of ado.net latest 2.0 development technique, the database mean a layer adoption unify of external appearance mode, make thus the whole system structure clear in meaning, the source code self own very good performance of readability and writability, then better convenience to customer operation and development personnel next move of development work, the type of tree control and user-defined page technique of usage make the whole system person's machine hand over with each other the function be more outstanding.
本系统主要内容是围绕图书销售管理系统而展开讨论的,主要针对图书批销以及门市销售为主而进行设计的,适合图书进销零售的管理,特别适用于书城及图书批销商协调的资源管理。系统源码采用c#语言书写格式,在vs.net 2005集成环境下调试进行,数据库采用sql server 2000后台。该系统大量采用了丰富数据库技术,有针对性模块行的开发,其中数据库操作层技术大量采用存储过程及触发器的应用,数据库访问层技术采用微软公司的ado.net最新2.0开发技术,数据库表示层采用统一的外观模式,从而使得整个系统架构明晰,源码可读可写性好,进而更好的方便了用户的操作及开发人员下一步的开发工作,树型控件和自定义分页技术的使用使得整个系统人机交互性能更为出色。
- 推荐网络例句
-
As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.
每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。
-
Maybe they'll disappear into a pothole.
也许他们将在壶穴里消失
-
But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.
但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。