From the hypothesis of Ether to Einstein s relativity—On Michelson interference experiment s contribution to modern physics;
从以太假说到爱因斯坦相对论——论迈克尔逊干涉仪对现代物理学的贡献
With the development of physics, theories about ether have undergone ups and downs.
伴随着物理学的发展,以太说几经兴衰。
Bypass the unsettled problem whether aether exists or not, the author makes a research on aethers important position in the development of modern physics from three aspects, ie.
撇开以太的有无这一物理史悬案，从近代物理学诞生和发展的两个前提、方法原则及近代物理与现代物理的关系三方面对以太在近代物理学发展中的重要地位作了探
The development of the ideas of aether and vacuum in physics was reviewed systematically.
本文系统地回顾了物理学中以太与真空观念的发展,指出在现代物理学中真空在本质上是一种以太。
The Long Distance Monitor and Control System of Injection Machine Basing on the Ethernet;
基于以太网的注塑机远程监控系统
Study of welding machine connects to Ethernet based on embedded gateway;
基于嵌入式网关的电焊机以太网接入方法研究
Application of Industrial Ethernet and Profibus DP to Alloy Steel Casting Machine;
ProfibusDP网及工业以太网在合金钢连铸机中的应用
After researching of the system architecture of integration the enterprise message network with the field bus and the integration technology of the Ethernet and field bus,this paper mentions several interconnecting strategies between the field bus networks and Ethemet,thereby it shows the possibility of the interconnection between the field bus networks via Ethern.
在现代工业企业中实现底层控制网络与企业信息网络之间的信息交换是一种发展趋势,在研究了现场总线与工业企业信息网络集成的系统结构及以太网和现场总线系统的集成技术的基础上,给出了几种现场总线与以太网结合的解决方案;从而使现场总线通过以太网进行互联成为可能,实现了现代化的工业企业网络一体化控制。
Through the transplant of uCosll,the translation between CAN protocol and Ethemet protocol has been successfully fulfilled.
在设计中充分考虑到LPC2292所具备的这种优点,通过移植实时操作系统uCosll,完成从CAN总线到以太网的协议转换。
It uses Ethernet network to conmmunicate between the PLC and the industrial control computer.
该控制系统采用工业控制计算机作为上位机,可编程控制器(P L C)为基本控制级,P L C和工控机之间采取以太网通讯。
An inertial navigation simulation system which uses 1553B buses, 429 buses and Ethernet network is designed.
介绍一种采用 1553B 总线、429 总线和以太网三种接口的惯导仿真系统设计与实现的方法。
The system builds a hardware platform on the FPGA,and realizes the control of smart home system u- sing ethernet network,it also describes an overview of the architecture and software framework,and it designs the desktop software which works on the client.
系统在FPGA上搭建硬件平台,利用以太网实现对家居系统的远程智能控制,给出软件设计的主要流程以及部分设计要点,并编写了客户端的桌面控制软件,最后,对实验系统进行了测试和验证。
Application of Ether Net Serial Port Modules In Oil-Field Monitor and Controlling;
以太网串口模块在油田生产监控中的应用
Intranet System Designed for Iron Works Using Ether Net Technology;
用以太网技术设计的炼铁厂高炉局域网控制系统
Based on the analysis of the technical characteristics of communication network and the real-time demand of communication, the paper indicates the proper position where field bus and ether net are adaptable in substation integrated automation system and points out that all suppliers applying the standard communication pro.
介绍城市轨道交通变电所综合自动化系统的结构,在分析通信网络技术特征和通信实时性要求的基础上,阐述现场总线和以太网在变电所综合自动化中适用的层次;提出在变电站自动化系统中,提高站内通信网的通信开放性的最佳途径是所有厂家都采用标准的通信协议。