When I started writing the first edition of RF Power Amplifiers for Wireless Communications,some time back in 1997, it seemed that I was roaming a largely uninhabitedlandscape. For reasons still not clear to me there were few, if any, otherbooks dedicated to the subject of RF power amplifiers. Right at the same time, however,hundreds of engineers were being assigned projects to design PAs for wirelesscommunications products. It was not, therefore, especially difficult to be successfulwith a book that was fortuitously at the right place and the right time.
標(biāo)簽： Communications Amplifiers Wireless Edition
上傳時(shí)間： 2013-11-12
上傳用戶(hù)：YYRR
在研究傳統(tǒng)家用燃?xì)鈭?bào)警器的基礎(chǔ)上，以ZigBee協(xié)議為平臺(tái)，構(gòu)建mesh網(wǎng)狀網(wǎng)絡(luò)實(shí)現(xiàn)網(wǎng)絡(luò)化的智能語(yǔ)音報(bào)警系統(tǒng)。由于傳感器本身的溫度和實(shí)際環(huán)境溫度的影響，傳感器標(biāo)定后采用軟件補(bǔ)償方法。為了減少系統(tǒng)費(fèi)用，前端節(jié)點(diǎn)采用半功能節(jié)點(diǎn)設(shè)備，路由器和協(xié)調(diào)器采用全功能節(jié)點(diǎn)設(shè)備，構(gòu)建mesh網(wǎng)絡(luò)所形成的家庭內(nèi)部報(bào)警系統(tǒng)，通過(guò)通用的電話(huà)接口連接到外部的公用電話(huà)網(wǎng)絡(luò)，啟動(dòng)語(yǔ)音模塊進(jìn)行報(bào)警。實(shí)驗(yàn)結(jié)果表明，在2.4 GHz頻率下傳輸，有墻等障礙物的情況下，節(jié)點(diǎn)的傳輸距離大約為35 m，能夠滿(mǎn)足家庭需要，且系統(tǒng)工作穩(wěn)定，但在功耗方面仍需進(jìn)一步改善。 Abstract: On the basis of studying traditional household gas alarm system, this paper proposed the platform for the ZigBee protocol，and constructed mesh network to achieve network-based intelligent voice alarm system. Because of the sensor temperature and the actual environment temperature, this system design used software compensation after calibrating sensor. In order to reduce system cost, semi-functional node devices were used as front-end node, however, full-function devices were used as routers and coordinator，constructed alarm system within the family by building mesh network，connected to the external public telephone network through the common telephone interface, started the voice alarm module. The results indicate that nodes transmit about 35m in the distance in case of walls and other obstacles by 2.4GHz frequency transmission, this is able to meet family needs and work steadily, but still needs further improvement in power consumption.
標(biāo)簽： ZigBee 無(wú)線(xiàn)智能 家 報(bào)警系統(tǒng)
上傳時(shí)間： 2013-10-30
上傳用戶(hù)：swaylong
C# Network Programming by Richard Blum ISBN:0782141765 Sybex ?2003 (647 pages) This book helps newcomers get started with a look at the basics of network programming as they relate to C#, including the language抯 network classes, the Winsock interface, and DNS resolution.
標(biāo)簽： Programming 0782141765 Network Richard
上傳時(shí)間： 2014-01-06
上傳用戶(hù)：WMC_geophy
This toolbox distributes processes over matlab workers available over the intranet/internet (SPMD or MPMD parallel model). It is very useful for corsely granular parallelization problems and in the precesence of a distributed and heterogeneus computer enviroment. No need for configuration files ! Cross platforms, cross OS and cross MATLAB versions. Workers can be added to the parallel computation even if it has started. No need of a common file system, all comms are using tcpip connections
標(biāo)簽： over distributes available processes
上傳時(shí)間： 2014-01-03
上傳用戶(hù)：希醬大魔王
OFDM-MIMO收發(fā)系統(tǒng)，The simulator GUI is started with command ui_start in Matlab command window.
標(biāo)簽： OFDM-MIMO 收發(fā)系統(tǒng)
上傳時(shí)間： 2014-01-18
上傳用戶(hù)：baitouyu
MFC Black Book Introduction: Are you an MFC programmer? Good. There are two types of MFC programmers. What kind are you? The first kind are the good programmers who write programs that conform to the way MFC wants you to do things. The second bunch are wild-eyed anarchists who insist on getting things done their way. Me, I’m in the second group. If you are in the same boat (or would like to be) this book is for you. This book won’t teach you MFC—not in the traditional sense. You should pick it up with a good understanding of basic MFC programming and a desire to do things differently. This isn’t a Scribble tutorial (although I will review some fundamentals in the first chapter). You will learn how to wring every drop from your MFC programs. You’ll discover how to use, abuse, and abandon the document/view architecture. If you’ve ever wanted custom archives, you’ll find that, too.
標(biāo)簽： MFC Introduction programmer programme
上傳時(shí)間： 2015-05-30
上傳用戶(hù)：youke111
代碼名稱(chēng)： Snitz Forums 2000 代碼語(yǔ)言： 英文 代碼類(lèi)型： 國(guó)外代碼 運(yùn)行環(huán)境： ASP 授權(quán)方式： 免費(fèi)代碼 代碼大小： 530kb 代碼等級(jí)： 3 整理時(shí)間： 2006-3-15 16:42:00 聯(lián) 系 人： 開(kāi) 發(fā) 商： 演示地址： 簡(jiǎn) 介： Snitz Forums 2000, one of the best ASP based bulletin board systems on the market. Getting better every day! A complete board system (forum) that allows the user access to a friendly and intuitive interface. Snitz Forums 2000 v3.4.05 [74]
標(biāo)簽： 代碼 Forums Snitz 2000
上傳時(shí)間： 2015-06-03
上傳用戶(hù)：caixiaoxu26
The Hopfield model is a distributed model of an associative memory. Neurons are pixels and can take the values of -1 (off) or +1 (on). The network has stored a certain number of pixel patterns. During a retrieval phase, the network is started with some initial configuration and the network dynamics evolves towards the stored pattern which is closest to the initial configuration.
標(biāo)簽： model distributed associative Hopfield
上傳時(shí)間： 2015-06-17
上傳用戶(hù)：l254587896
madCollection 2.5.2.6 full source This is not your every day VCL component collection. You won t see many new colored icons in the component palette. My packages don t offer many visual components to play with. Sorry, if you expected that! My packages are about low-level stuff for the most part, with as easy handling as possible. To find the hidden treasures, you will have to look at the documentation (which you re reading just in the moment). Later I plan on writing some nice demos, but for now the documentation must be enough to get you started.
標(biāo)簽： madCollection collection component source
上傳時(shí)間： 2014-01-18
上傳用戶(hù)：yoleeson
OFDM-MIMO收發(fā)系統(tǒng)，The simulator GUI is started with command ui_start in Matlab command window.-,matlab,通訊編程/Communication
標(biāo)簽： OFDM-MIMO 收發(fā)系統(tǒng)
上傳時(shí)間： 2013-12-11
上傳用戶(hù)：libenshu01
蟲(chóng)蟲(chóng)下載站版權(quán)所有 京ICP備2021023401號(hào)-1
