根据突发OFDM系统的特点，提出了一种具有实用价值的OFDM帧同步方法。在经典SC算法的基础上，提出了改进型SC算法和基于时域PN序列的改进型SC算法。对这两种算法进行了仿真对比，仿真结果表明基于时域PN序列的SC算法能够实现突发帧的精同步，而改进型SC算法只能实现粗同步。但是改进型SC算法更适合FPGA实现，采用Verilog HDL语言，在Quartus II上完成开发，同时给出了其在ModelSim 6.5b下的仿真结果，结果表明，方案是完全可行的。
上传时间： 2013-11-12
上传用户：yulg
nuc120系列的MCU，是MO核的32位的数据手册，芯片功能多样，比STM32的功能强
标签： Technical Reference NuMicro Manual
上传时间： 2013-11-13
上传用户：kxw404582151
多用户通信实现的本质就是把可用的资源划分成多个相互正交的资源（互不重叠，或互不相同，或互不干扰的资源）频域资源划分 —FDMA传统的FDMA的频率间隔最小为2× 1/T，“资源互不重叠，互不相同” OFDM频率间隔为1/T，资源部分重叠，但互不干扰； 时间资源划分 —TDMA，资源互不重叠，互不相同； 码字资源划分 —CDMA，资源重叠，但互不干扰；
标签： TD-LTE
上传时间： 2013-11-24
上传用户：liglechongchong
台湾光宝光耦全系列产品 LTV-817S-TA1-C LTV-817X-B LTV-817X-C LTV-817X-C-SC LTV-817-D MOC3021 MOC3021S-TA1 MOC-3052 4N28 4N35 4N35S 4N35S-TA1 6N136 6N137 6N138 6N139 LTV-217-A-G LTV-217-B LTV-352T LTV-354T LTV-356T-B LTV-356T-C LTV-814 LTV-816X-B LTV-816X-C LTV-816X-D
标签： 光耦
上传时间： 2013-11-12
上传用户：199311
基于matlab的mp3的读写函数Mp3 toolbox for Matlab. Alfredo Fernandez Franco Aalborg University Departament of Acoustics M.Sc. Student aberserk@yahoo.com Includes 2 functions to write and read MP3 files. It works like the commands WAVWRITE and WAVREAD. 1.- Just unpack in the toolbox folder under the MATLAB directory. 2.- Set the MATLAB search path to include that folder. This version was made in MATLAB for WINDOWS only. I ll probably will make the UNIX version later. 01-11-2004.
标签： Departament University Fernandez Alfredo
上传时间： 2014-12-02
上传用户：开怀常笑
制作本书的目的是为了方便大家的阅读。转载时请保持本电子书的完整性。 前言、条款2、16、21、44根据从Addison-Wesley出版社下载的开放条款翻译。条款26、27、28、45根据从Scott Meyers的网站下载的《Three Guidelines for Effective Iterator Usage》一文翻译。条款43根据从C/C++ Users Journal网站下载的《STL Algorithms vs. Hand-Written Loops》一文翻译，条款45根据从C/C++ Users Journal网站下载的《Distinguishing STL Search Algorithms》一文翻译。其余部分根据epubcn放出的电子书制作。
标签： Addison-Wesley 家 保持
上传时间： 2015-04-12
上传用户：jing911003
pcmcia智能卡的驱动程序例程，对智能卡的pc/sc编程是个参考
上传时间： 2015-04-23
上传用户：liansi
linux下的pcsclite，负责建立linux下的pc/sc架构，管理智能卡
上传时间： 2015-05-02
上传用户：z1191176801
DIGITAL IMAGERY is pervasive in our world today. Consequently, standards for the efficient representation and interchange of digital images are essential. To date, some of the most successful still image compression standards have resulted from the ongoing work of the Joint Photographic Experts Group (JPEG). This group operates under the auspices of Joint Technical Committee 1, Subcommittee 29, Working Group 1 (JTC 1/SC 29/WG 1), a collaborative effort between the International Organization for Standardization (ISO) and International Telecommunication Union Standardization Sector (ITUT). Both the JPEG [1–3] and JPEG-LS [4–6] standards were born from the work of the JPEG committee. For the last few years, the JPEG committee has been working towards the establishment of a new standard known as JPEG 2000 (i.e., ISO/IEC 15444). The fruits of these labors are now coming to bear, as JPEG-2000 Part 1 (i.e., ISO/IEC 15444-1 [7]) has recently been approved as a new international standard.
标签： Consequently efficient pervasive standards
上传时间： 2013-12-21
上传用户：源弋弋
This text surrounds the development of the electric power SCADA system exactly, aiming at the present condition of the our country electric power charged barbed wire net currently, according to the oneself at the e- lectric power protect the profession after the electricity in seven years of development, design and adjust to try the experience on the scene from following severals carry on the treatise:Is the emergence to the system of SC- ADA and developments to introduce first Carry on the introduction elucidation to applied present condition and the development foregrounds of various terminal equipments communication agreement(rules invite) the next in order Then is the elucidation to the windows the bottom according to the mfc the plait distance environment an- d VC++6.0 plait distance softwares Carry on the more detailed treatise to the realization of the procedure struct- ure frame and the source code again End is the applied case example give examples.
标签： the development surrounds electric
上传时间： 2014-10-28
上传用户：liuchee
