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OPC Automation2.01
- OLE for Process Control Data Access Automation Interface Standard
C++类学习资料
- 1.编写一个类，声明一个数据成员和一个静态数据成员，其构造函数初始化数据成员，并把静态数据成员加1，其析构函数把静态数据成员减1。 (1) 编写一个应用程序，创建该类的3个对象，然后显示其数据成员和静态数据成员，再析构每个对象，并显示它们对静态数据成员的影响。 (2) 修改该类，增加静态成员函数并访问静态数据成员，并声明静态数据成员为保护成员。体会静态成员函数的使用，静态成员之间与非静态成员之间互访问题。 -1 write a class, declare a data mem
VisualBasictors232programdesgin
- 使用串口与计算机进行通编写程序来访问串口达到读取电子秤上显示的数据-The use of serial and computer programming pass to access serial port to read electronic scales to meet the data show
ISO-IEC-14496-2_2001_MPEG4_Visual.pdf
- MPEG-4 标准文档 access to visual objects in natural and synthetic moving pictures and associated natural or synthetic sound for various applications such as digital storage media, internet, various forms of wired or wireless communication etc. The
Defects_TD2SCDMA_Standards
- 从智能天线的工作原理出发说明使用智能天线时很难实现小区的分扇区应用、多频点天线公 用,因此可以证明智能天线还不是一项可供商用的实用技术 考虑相邻小区/扇区时隙的不对称分 配所产生的相邻小区/扇区收发干扰时,可以证明上、下行时隙实质上是不能按需分配的。3 G使 用的频段是2 GHz,具有传播衰落大、穿透能力差、不易做大范围覆盖。TD2SCDMA标准很难提供3 G标准所规定的在车载、步行、静止环境下分别达到144 kbit/ s、384 kbit/ s和2 048 kbit/ s的无
DMA
- ，DMA方式就是在一定时间段内，由DMA控制器取代CPU，获得总线控制权，来实现内存与外设或者内存的不同区域之间大量数据的快速传送。-, DMA mode is in a certain period of time, by the DMA controller to replace the CPU, access to the bus control, to achieve the memory and peripherals or memory large amounts of data b
tongxunlu
- java实现的同学通讯录，连接数据库，需要有菜单操作，连接ACCESS数据库存储数据-java students to achieve contacts, connect to the database, the need for menu operation, connect ACCESS database to store data
ADO_NET
- ADO.NET访问数据的教程文档。文章很详细的介绍了.NET下 ADO对数据库的操作。-ADO.NET data access tutorial documentation. The article described in great detail. NET under the ADO database operation.
AChannelAccessSchemeForLargeDensePacketRadioNetwo
- A Brief Survey of Media Access Control, Data Link Layer, and Protocol Technologies for Lunar Surface Communications
v
- 个人防火墙核心技术是数据包的截获,通过SPI 服务提供者接口进行网络数据包( Service Provider Interface) 截获能够最完备地得到进程访网信息. 一个功能完备的个人防火墙系统不仅能够封 包截获,还应能解析协议、支持自定义控管规则以及日志记录随时的网络通信状况. 本项目遵循SPI 规 范完整实现了上述功能,给出了一个Windows 下的个人防火墙系统实现过程中的技术要点分析.-Personal firewall core technology is interc
ladp
- LDAP的相关资料，包括：RFC1823LDAP应用程序接口；RFC2251轻型目录访问协议(LDAPv3)；RFC2829LDAP认证方法；RFC2849LDAP数据交换格式(LDIF)规范。-LDAP-related information, including: RFC1823LDAP application program interface RFC2251 Lightweight Directory Access Protocol (LDAPv3) RFC2829LDAP auth
OPC_Data_Access_Server-Specification_204
- OPC数据访问服务器规范204 OPC Data Access Custom Interface Specification-OPC Data Access Server Specification 204 OPC Data Access Custom Interface Specification
IT-Scenario-Analysis-Report
- Because of the role that Computing Professional holds in the information systems of an organization, which give them the right to access the highly confidential information stored in its information systems, because they often need to access it to ex
Internetworking-2_LANs(zslcn)
- 本文介绍了用于局域网(LAN)的各种媒体访问方法,传送方法,拓扑,和设备。所讲的题目集中在用于以太网/IEEE 802.3，令牌环/IEEE 802.5，和FDDI(光纤分布式数据接口)。在手册第二部分LAN协议各篇文章中将更详细地讲述具体的协议。 -This article introduces the various media-access methods, transmission methods, topologies, and devices used in a local
Multiple-Access-Technique-For-Mobile-Comm
- In telecommunications and computer networks, multiplexing (also known as muxing) is a method by which multiple analog message signals or digital data streams are combined into one signal over a shared medium. The aim is to share an expensive resource
Introduction_to_Smart_Antennas_C._A._Balanis_P._I
- In recent years a substantial increase in the development of broadband wireless access technologies for evolving wireless Internet services and improved cellular systems has been observed [1]. Because of them, it is widely foreseen that in the fu
Fundamentals[1].Of.Wireless.Communication
- In recent years a substantial increase in the development of broadband wireless access technologies for evolving wireless Internet services and improved cellular systems has been observed [1]. Because of them, it is widely foreseen that in the fu
Overview-of-the-Handover-Policies-for-WCDMA-Syste
- The goal of this paper is to comprehensively review the handover policies in wideband code division multiple access (WCDMA) system. Mobile cellular communication becomes more and more important in today’s communication. In a cellular network, the r
kuangyongyidong
- 本系统以光纤有线网络为骨干，以无线网络为延伸，在井下设立若干无线基站，无线基站之间支持无线链路连接，每台无线基站都具有无线接入和无线转发的功能，组成无线局域网络覆盖井下巷道，使得井下数据在数据终端和各基站之间有秩序的接力转发。这种无线接力转发组网的方式在国内外属前沿技术，在井上已有初步的应用。-The system to fiber optic cable network as the backbone for the extension of wireless networks, severa
Frequency-Hopped-Multiple-Access-Communications-W
- A noncoherent, bandwidth-efficient modulation scheme is proposed for frequency-hopping multiple-access (FH-MA) networks. The proposed scheme is a combination of noncoherent -ary amplitude-shift keying (NMASK) and orthogonal frequency-division