查询词典 bus master

Firstly, the characteristics of CAN bus are analyzed and it's reliability、expeditiousness and flexibility are tested. A communication network of substation automation system constructed on CAN bus is presented and confirmed. Secondly, the dissertation discusses the main structure of substation automation system, as well as the content and request of substation digital communication. According to this, it gives the project of constructing the substation CAN communication network and the communication protocol. And according to different requests of power system, it makes research and tests of the calculation of the communication parameters in the network. Communication manager is the key to communication network based on CAN bus.

论文首先分析了CAN总线的特性，对其可靠性、实时性、灵活性进行了实践验证，确定了用CAN总线来构建变电站综合自动化系统数据通信网络的可行性，并在对变电站综合自动化系统的结构及数据通信的内容和要求做了研究和分析的基础上提出了基于CAN总线的变电站综合自动化数据通信网络的构建方案，编制了相应的基于CAN总线的变电站综合自动化系统通信协议，同时针对电力系统的不同要求，对CAN总线通信网络中通信参数的计算进行了研究和验证。

This paper described the definition of field bus technology, technical features and advantages, focused on the CAN field bus technology and industrial Ethernet technology, analyzed of the advantages of CAN field bus technology and industry Ethernet technology and the feasibility of monitoring system applied to coal mine .

本文阐述了现场总线技术的定义、技术特点和优点，重点研究了CAN现场总线技术和工业以太网技术，分析了CAN现场总线技术和工业以太网技术的优点以及应用到煤矿监控系统的可行性。

The article makes a comparison among different types of bus, bus transmission signal and several familiar topologies of front-end converters and load-end converters. Finally, the half bridge converter with full-wave rectifier based on the high-frequency parallel-type AC bus bar is chosen as circuit structure and optimized. The working mode under different condition of the circuit is analyzed and a mathematical model is set up under continuous current mode. Simulation result is used as comparison.

通过对比不同类型的母线、母线传输信号以及各种常见的前端变换器拓扑和负载变换器拓扑，确定了基于并联型高频交流母线的半桥变换器加全波整流作为电路拓扑，并优化了电路的结构，分析了基于不同工作状态下的电路结构并建立电流连续模式的数学模型，并与软件仿真结果进行对比。

The I/O controller, in turn, may access all I/O devices using a second bus, often called an I/O bus or a local bus.

I/O 控制器可能依次使用第二级总线来访问所有的 I/O 设备，第二级总线通常称为 I/O 总线或者局部总线。

In this book, an I/O bus that connects a host computer's host bus adapter to intelligent storage controllers or devices is called a host I/O bus.

在本书中，连接主机的主机总线适配器和智能存储控制器或设备的I/O总线被称为主机I/O总线（host I/O bus）。

The American school bus council says School Bus Council say cuts in bus service are bad for children and possibly the environment. It says removing buses from the road will mean an increase in ither other vehicles transporting students.

美国校车委员会称，减少校车服务对孩子或许环境都是不利的，并且淘汰校车意味这其他形式的交通工具增加。

Bus-bar rating 2000A Incomers 2000A Bus-section panel with joggle chamber to be equipped with Fire-wall bus-trunking 1400mm long either side of panel.

母线评价2000年incomers 2000年巴士节小组与啮合会议厅配备消防墙巴士集群一四零零毫米，只要任何一方的小组。

Muni bus of SFO, you can put you bicycle on the rack in front of bus. This bus is famous for powered by electricity.

旧金山的Muni公车，前面那个铁架是放脚踏车用的，后面长长的杆子是导电用的喔！

The circuit comprises a comparison circuit, a negation gate and a first coincidence gate, wherein the comparison circuit is used to output read screen signals of a storage unit corresponding with bus signals of a second port address, the negation gate is used to inverse the read screen signals of the storage unit which are corresponding with the bus signals of the second port address, one input end of the first coincidence gate receives the read screen signals of the storage unit which are corresponding with the bus signals of the second port address after being inversed, the other input end of the first coincidence gate receives the read enable signals of a second port, and the output end of the first coincidence gate is connected with the read enable end of the second port.

所述电路包括：比较电路，用于输出第二端口地址总线信号对应的存储单元读屏蔽信号；非门，用于对第二端口地址总线信号对应的存储单元读屏蔽信号进行非运算；第一与门，第一与门的一路输入端接收非运算后的第二端口地址总线信号对应的存储单元读屏蔽信号，第一与门的另一路输入端接收第二端口的读使能信号，第一与门的输出端连接第二端口的读使能端。

This paper divided bus network optimization into three parts to discuss: public transport demand forecast the short-range optimization mode of the bus network and the optimization technique of the current bus network.

本文结合具体项目的需要，在既有研究的基础上，对公交网络近期优化方法进行了研究。

The United Kingdom has pledged to provide technical assistance to the peacekeeping effort in Darfur, including airlifting supplies and equipment to assist the African peacekeepers.

英国承诺为达佛的維和努力提供技术帮助，包括提供非洲的維和部队空运补給和裝备。

Results: The level of ET-1mRNA in placental villus was significantly higher in pre-eclamptic women than that in control group.

结果：妊高征组患者胎盘绒毛组织ET-1 mRNA的表达较正常妊娠组明显增高。