搜索结果

找到约 317 项符合 COMmunications 的查询结果

通信网络 网状网络解决通信限制的应用笔记

Abstract: The application note addresses how G3-PLC, a powerline communications protocol approvedby the International Telecommunications Union (ITU), enables mesh networking in advanced metering
https://www.eeworm.com/dl/564/33272.html
下载: 141
查看: 1065

传感与控制 三菱FX系列PLC与计算机无协议通讯

本文主要通过介绍PLC通讯的意义和三菱FX系列PLC的四种通讯方式,并重点介绍FX系列PLC与计算机无协议通讯,主要从无协议通讯的硬件、配线、数据寄存器设置、PLC与计算机无协议通讯的指令用法、PLC程序编写和计算机VB程序的编写来说明无协议通讯的过程和一般方法。 My dissertation introduces the significance of PLC commu ...
https://www.eeworm.com/dl/562/34539.html
下载: 98
查看: 1217

嵌入式综合 NCV7356单线CANBUS收发器数据手册

The NCV7356 is a physical layer device for a single wire data linkcapable of operating with various Carrier Sense Multiple Accesswith Collision Resolution (CSMA/CR) protocols such as the BoschController Area Network (CAN) version 2.0. This serial data linknetwork is intended for use in applications ...
https://www.eeworm.com/dl/566/35888.html
下载: 107
查看: 1146

嵌入式综合 lpc2292/lpc2294 pdf datasheet

The LPC2292/2294 microcontrollers are based on a 16/32-bit ARM7TDMI-S CPU with real-time emulation and embedded trace support, together with 256 kB of embedded high-speed flash memory. A 128-bit wide memory interface and a unique accelerator architecture enable 32-bit code execution at the maximum ...
https://www.eeworm.com/dl/566/35961.html
下载: 127
查看: 1072

无线通信 无线和RF解决方案

Linear Technology offers some of the highest performance RF and signal chain solutions for wireless and cellularinfrastructure. These products support worldwide standards including, LTE, WiMAX, GSM,W-CDMA, TD-SCDMA,CDMA, and CDMA2000. Other wireless systems include broadband microwave data links, ...
https://www.eeworm.com/dl/510/36118.html
下载: 63
查看: 1060

无线通信 克服了正交频分复用(OFDM)和IEEE 1901.2智能电网通信的挑战

Abstract: While many questions still surround the creation and deployment of the smart grid, the need for a reliablecommunications infrastructure is indisputable. Developers of the IEEE 1901.2 standard identified difficult channel conditionscharacteristic of low-frequency powerline communications ...
https://www.eeworm.com/dl/510/36256.html
下载: 24
查看: 1041

无线通信 ZigBee无线传感网络的路由协议研究

 为满足无线网络技术具有低功耗、节点体积小、网络容量大、网络传输可靠等技术要求,设计了一种以MSP430单片机和CC2420射频收发器组成的无线传感节点。通过分析其节点组成,提出了ZigBee技术中的几种网络拓扑形式,并研究了ZigBee路由算法。针对不同的传输要求形式选用不同的网络拓扑形式可以尽大可能地减少系统成本。 ...
https://www.eeworm.com/dl/510/36488.html
下载: 152
查看: 1040

无线通信 基于塑料光纤的高压隔离通信接口设计

 通过比较各种隔离数字通信的特点和应用范围,指出塑料光纤在隔离数字通信中的优势。使用已经标准化的TOSLINK接口,有利于节省硬件开发成本和简化设计难度。给出了塑料光纤的硬件驱动电路,说明设计过程中的注意事项,对光收发模块的电压特性和频率特性进行全面试验,并给出SPI口使用塑料光纤隔离通信的典型应用电路图 ...
https://www.eeworm.com/dl/510/36492.html
下载: 85
查看: 1050

无线通信 差分電路中單端及混合模式S-參數的使用

Single-Ended and Differential S-Parameters Differential circuits have been important incommunication systems for many years. In the past,differential communication circuits operated at lowfrequencies, where they could be designed andanalyzed using lumped-element models andtechniques. With the freque ...
https://www.eeworm.com/dl/510/36562.html
下载: 151
查看: 1041

技术书籍 GSM智能网原理_华为

GSM是Global System For Mobile Communications的缩写。由欧洲电信标准组织ETSI制订的一个数字移动通信标准。GSM是全球移动通信系统(Global System of Mobile communication) 的简称。它的空中接口采用时分多址技术。
https://www.eeworm.com/dl/537/36826.html
下载: 173
查看: 1034