telecommunication
共 44 篇文章
telecommunication 相关的电子技术资料，包括技术文档、应用笔记、电路设计、代码示例等，共 44 篇文章，持续更新中。
H．264编解码器光临QuickTime
·摘 要:苹果宣布它会将H．264／高级视频编解码器（AVC)结合到其明年预期发布的QuickTime软件中。该视频技术已经获得DVD论坛对于在高清晰（HO)DVD格式中使用的批准：它是由Motion Piucure Expert’s Group(MPEG)和International Telecommunication Union(ITU)共同开发的．并且也被批准纳入MPEG．4规范中。&nbs
48v的ATCA模块热插拔使用TPS2393
The advanced telecommunication computing architecture (ATCA) PICMG 3.0 open standard has specific re
基于FPGA+单片机的示波器校准仪通信命令传输系统
<p>为了研制国产示波器校准仪,简化模拟电路板设计,实现上位机对模拟电路的控制,设计基于现场可编程门阵列+单片机的示波器校准仪通信命令传输系统。在单片机中实现读写中断、串并转换模块,在FPGA中生成模拟电路芯片需要的所有直流、方波、正弦波的控制信号,利用上位机软件通过RS232串口对系统进行控制并显示结果,采用该架构数字处理系统的示波器校准仪可以输出满足技术指标要求的直流信号、方波信号、正弦波信号
基于TTCN-3底层协议测试方法研究
<p>TTCN-3 testing and test control notation version 3）即测试及测试控制表示法第三版，是由欧洲电信标准协会发布的一个国际标准，并且是一种抽象测试描述语言，典型的应用领域是协</p><p>议测试、服务测试、模块测试以及基于平台、APis等的CORBA测试等[1。然而TTCN-3作为一项成熟的技术，受到很多测试人员的喜爱，其应用遍布大大小小的开发项目
使用stm32做lorawan开发的库说明
<p>ST官方英文手册UM2073 - STM32 LoRa software expansion for STM32Cube 。</p><p><br/></p><p>This application note describes the LoRa embedded expansion software implementation on the STM32Lx Series; this soft
5G网络切片技术能源互联网应用分析
<p>随着第四代移动通信（The Fourth Generation，4G）网络的标准化和不断成熟，第五代移动通信（The Fifth</p><p><br/></p><p>Generation,5G)系统的研究在国内外已经展开。为了应对未来网络流量的爆炸性增长，5G网络应能够同</p><p><br/></p><p>时支持多样化的服务需求，以满足不同服务对网络吞吐量、延迟、数量和可靠性等指标要求。根
WLANs+WPANs+towards+4G+Wireless
This book paves the path toward fourth generation (4G) mobile communica-<br />
tion by introducing mobility in heterogeneous IP networks with both third<br />
generation (3G) and wireless local area n
WCDMA for UMTS HSPA Evolution and LTE
Second-generation telecommunication systems, such as the Global System for Mobile<br />
Communications (GSM), enabled voice traffic to go wireless: the number of mobile phones<br />
exceeds the number
Understanding+Telecommunications+Business
The dictionary definition of telecommunications is ‘communication over long<br />
distance by cable, telegraph, telephone or broadcasting’, but since its initiation over<br />
100yearsagothingshavemov
Telecommunication+Systems
Intensive development of digital technologies coincided in time with the beginning<br />
of the new era in telecommunications. It made possible to formalize many proce-<br />
dures of data exchange an
Telecommunication+Circuit+Design+2nd
The first edition of this book was published in 1992. Nine years later it had become<br />
clear that a second edition was required because of the rapidly changing nature of<br />
telecommunication. I
System+Design+for+Telecommunication+Gateways
The idea for this book was born during one of my project-related trips to the beautiful city<br />
of Hangzhou in China, where in the role of Chief Architect I had to guide a team of very<br />
young,
Radio Wave Propagation
One of the prerequisites for the development of telecommunication services is the<br />
understanding of the propagation of the waves, either acoustic, electromagnetic,<br />
radio or light waves, whi
Radio System Design for Telecommunication
This book provides the essential design techniques for radio systems that<br />
operate at frequencies of 3 MHz to 100 GHz and which will be employed in<br />
the telecommunication service. We may als
Queueing Theory with Packet Telecommunication
Soon after Samuel Morse’s telegraphing device led to a deployed electri-<br />
cal telecommunications system in 1843, waiting lines began to form by those<br />
wanting to use the system. At this writ
Protocol Engineering
Communication protocols – for short protocols – form the basis for the opera-<br />
tion of computer networks and telecommunication systems. They are behavior<br />
conventions which describe how comm
Modeling+and+Simulation+Tools
This paper covers the keynote address delivered by the<br />
Chairman of the COST Action 285 at the Symposium. It outlines the<br />
studies undertaken by the members of the Action with the objective
GSM+to+LTE-Advanced
Wireless technologies like GSM, UMTS, LTE, Wireless LAN and Bluetooth have revolu-<br />
tionized the way we communicate and exchange data by making services like telephony and<br />
Internet access a
Globalization+of+Mobile
This book is the outcome of the panel discussions held on the special event honor-<br />
ing first 50 PhD students of Prof. Ramjee Prasad. Several of his PhD students are<br />
today worldwide telecom
Fundamentals+of+Telecommunications+2nd+ed
This book is an entry-level text on the technology of telecommunications. It has been<br />
crafted with the newcomer in mind. The twenty-one chapters of text have been prepared<br />
for high-school