虚拟设备驱动程序 meaning in English
vdd virtual device driver
vxd
Examples
- It improves on the arithmetic of value increment interpolation and puts forward a new arithmetic of speedup ' s and speed - down ' s point in order to realizing the high capability number control system and also because the virtual device driver can n ' t use the floating - point numbers
文中针对虚拟设备驱动程序不能应用浮点数的特点和以高性能数控系统设计为目标，改进了数值增量插补算法，提出了一种新的加减速算法。 - In chapter 4 , the improvements of automation by developing the high performance vcs controlled by pc are stated , which include the hardware system of vibration measured control instrument ( vmc ) , the software system of vcs and the virtual device driver programme ( vxd )
第四章着重介绍了高性能微机控制校准系统的开发及对校准精度和自动化程度的影响。主要开发了振动校准装置测控仪硬件系统、振动校准测控软件系统以及vxd虚拟设备驱动程序。 - Computer controlling software is also programmed , by which the software miss simulation and analysis are processed to discover possible disturbing factors and present practical resolutions . to fulfill the sampling need , a vxd interruption driver program is composed by utilizing vtoolsd software
在以往在线监测软件的基础上，编制了与数据采集卡配套的控制程序，并用vtoolsd软件编写了vxd虚拟设备驱动程序，实现了工控机中断方式的数据传送方式。 - Emphatically introduce the can communication protocol in user layer based on multi - host competition and bus arbitration , and state the distribute software mechanism which applies the vxd ( virtual x device ) technology which work in ringo of the windows operation system to realize the real - time control of the robotic excavator
着重阐述了基于多主竞争和总线仲裁的命令加参数的can高层通信协议的制定和为实现机器人实时控制而采用的以vxd (虚拟设备驱动程序)为核心的分层分布式软件体系结构。 4 、展示挖掘机器人分布式控制系统的运行状况。 - Chapter one summarizes the main content and the significance of the research ; chapter two introduces pci bus and 1553b bus in detail ; chapter three gives a general presentation of the design principle and introduces the pci bus interface chip s5920 and 1553b bus protocol chip bu - 61580 in detail , which make a basis for the hardware and e software design in the following chapters ; chapter four shows how to design the board " s hardware by using pci bus interface chip s5920 and 1553b bus protocol chip bu - 61580 ; chapter five deals with the concept and design method of vxd ( virtual device driver ) , as well as the communication method between the user " s application and the device driver ; the last chapter , chapter six mainly puts forward some suggestions on how to improve the system
在第一章概述了本文的主要研究内容以及本课题的意义所在；在第二章分别详细介绍了pci总线和1553b总线，在第三章从总体上介绍了系统的设计思路并分别详细介绍了pci总线接口芯片s5920和1553b总线协议芯片bu - 61580 ，这些内容为第四章硬件设计和第五章软件设计作了铺垫；在第四章具体说明了如何利用pci总线接口芯片s5920和1553b总线协议芯片bu - 61580来进行接口板的硬件设计；在第五章说明了虚拟设备驱动程序( vxd )的概念和设计方法，同时也介绍了用户应用程序的设计过程及其与驱动程序间的通讯方法；在最后一章总结了本文的工作并对本设计的改进工作提出了几点建议。