协议线

The reason the default produced is analyzed and a new latest available unscheduled channel with smallest void algorithm is presented. The performance of the two algorithms is simulated. The results show that in LAUC-SV algorithm the effective window of the packet loss versus unit delay time of fiber delay lines is expanded significantly and the packet loss ratio is decreased about 100.5. The algorithm complexity of the LAUC-SV is only increased arithmetically with LAUC. Both the algorithms can not support delay reservation protocol effectively.

分析了产生此缺陷的原因并提出了一种LAUC算法的改进算法LAUC-SV算法，采用仿真的方法分析比较了两种算法的性能，结果表明LAUC-SV算法比LAUC算法的丢包率下降100.5，且LAUC-SV算法下的丢包率关于光纤延时线单元延时时间的工作窗口与传统LAUC相比大大展宽，而前者的算法复杂度与后者相比仅呈算术增长，但两算法均不能有效支持延时预约协议。

Host controller and multiple-site controller using asynchronous serial communication, or "soft-serial" in accordance with the "communication protocols" to achieve branch communications, computer controlled multi-component of "Distributed Control" system, according to three Flop flip side of the control sub-drive motor, to achieve large-scale three sides of the sign face will be over the screen, time, optional flip way, the sign face of an error "automatic error correction flip" and drive the requirements.

主控制器和多个现场控制器之间采用异步串口通信或"软串口"按照"通信协议"实现分支通信，组成多微机联控的"集散式控制"系统。这种多微机联控系统极大地简化了控制电路的连线，简化了电气控制安装工艺与施工，在降低工程费用和后期维修费用的同时，可大幅提高控制系统工程的可靠性、稳定性、性价比。

In this paper, the principle, the basic structure and the workflow of this system are analyzed. Aiming at the Snort system working in a single thread, a reform scheme based on the multithreading technique for developing its performance is put forward, including a queue between two function modules and a busy sign flag in every decoder and chain node. The workflow of the reformed system is described then.

为提高Snort系统的性能，针对其工作流程是单线程的特征，用处理模块间设置缓冲队列、各个协议解码器和链表节点设置忙闲标识等方法实现了对其的多线程改造，并详细描述了改造后系统的工作流程，最后结合简化模型模拟实验结果，分析了改造前后的系统各性能的变化。

1 Unless otherwise agreed upon by the producer and user, scribe creepage is defined as "one sided", that is, from the original scribe line to the creepage front.

7.2.1 除非生产商和使用者另有达成的协议，刻线蠕变被定义为"一面的"，就是，从原先的刻线到蠕变前面。

After analysing the off-line negociation and on-line agreement supported by parlay specification,it gives out the drawbacks.

对组成服务水平协议的离线协议与在线协议的分析可知Parlay规范对服务水平协议的支持存在着极大的不足。

Ftp protocol multithreaded HTTP using socket under the ftp protocol to achieve multithreading breakpoint Continuingly very flexible.

ftp协议实现多线程断点续传用socket根据ftp协议来实现多线程断点续传十分灵活。

The invention provides a dual redundant CAN bus controller, which is arranged on a crewel CAN bus, characterized in that: two CAN bus transceiving modules, two initializing modules are respectively corresponding to the CAN bus controller module A and CAN bus controller module B; the two CAN bus controller modules are respectively connected to the two CAN bus via a driver shifting control unit; the initializing module is connected to the bus control initializing register for initializing the e CAN bus controller modules; a protocol processing module is connected to the FIFO buffer; the FIFO buffer is connected to the node processor via the logical interface; a intermitting process unit sends the corresponding intermitting control signal to the CAN bus transceiving modules according to the CAN bus controller modules; one path of the CAN bus controller module is directly connected to the protocol processing module; another path is connected to the protocol processing module via the bus receiving buffer.

本发明提供了一种双冗余CAN总线控制器，设置于双线CAN总线上，其特征在于：两个CAN总线收发模块、两个初始化模块分别与CAN总线控制器模块A和CAN总线控制器模块B相对应；两个CAN总线控制器模块通过驱动器切换控制单元分别与两条CAN总线相连；初始化模块与总线控制器初始化寄存器相连，对所对应的CAN总线控制器模块进行初始化；协议处理模块与FIFO缓存器相连；FIFO缓存器通过逻辑接口与节点处理器连接；中断处理单元根据CAN总线控制器模块的控制命令对CAN总线收发模块发出相应的中断控制信号；CAN总线收发模块一路与协议处理模块直接相连，另一路通过总线接收缓存器与协议处理模块相连。

To realize that, the thesis studies the PHS short message gateway protocol in detail which is the protocol to connect short message sending systems with the PHS short message gateway. The thesis also studies the client programming package which is based on SMGP and provided by the short message gateway. Using the API interface functions of this client programming package and the multiple thread mechanism, the key module — short message receiving and sending module is implemented.

为此本文详细研究了用于短消息平台接入的小灵通短消息网关通信协议和短消息网关提供的用于短消息平台开发的基于SMGP协议的客户端开发包，利用这个客户端开发包的API接口函数，并运用多线程机制，编程实现了这个短消息平台的关键模块——短消息收发模块。

The trustee connects with the bank only during the protocol of withdrawing and depositing. Therefore, this system still is an offline electronic cash system.

可信方仅在现金提取协议和存款协议中与银行发生联系，因此本电子现金系统仍然是离线的。

A NetCoin payment consists of two parts, a digitally signed payment authority and a separate payment token that determines the amount.

根据小额电子信息交易系统的每一次交易金额非常小这一事实，NetCoin交易协议采用了&轻量级&的密码学安全机制和离线的认证方法，利用Hash函数构造的随机数链来作为交易的付款方式，卖方可以不联系NetCoin网关而离线的认证一个匿名的买方，从而使系统具有很高的效率和较低的开销，并且能提供买方对卖方的匿名性。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。