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ask fsk
利用matlab实现ASK和FSK调制解调过程对比他们的不同(Using MATLAB to realize the modulation and demodulation process of ASK and FSK, their differences are compared.)
- 2020-06-29 23:40:03下载
- 积分：1
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to2to
二进制格雷码与自然二进制码的互换
它就是介绍怎么把二进制格雷码与自然二进制码的互换。主要是异或操作(itis to for 2to 2)
- 2011-10-21 18:42:17下载
- 积分：1
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make a call
GSM进行拨号的测试程序，半酣多种文件格式(GSM dial-up test procedures,)
- 2017-08-08 22:37:15下载
- 积分：1
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dll
说明： PLC动态库 vb编程 支持s7-1200(PLC Dynamic Library Support s7-1200)
- 2019-04-08 20:40:41下载
- 积分：1
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MATLAB和opnet联调
说明： opnet与matlab联调的步骤，过程详细，使用方便(Steps of OPNET and MATLAB debugging, detailed process, easy to use)
- 2021-01-31 21:50:08下载
- 积分：1
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ofdm11
ofdm程序简单明了，包括ofdm整个过程。应该有借鉴意义。(OFDM straightforward procedure, including OFDM whole process. There should be reference.)
- 2013-05-13 18:18:58下载
- 积分：1
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on-the-modulation-technology-in-OFDM
在 OFDM 数学原理和收发模型的基础上，本文对帧同步、定时同步、频率同
步和采样同步给 OFDM 系统所产生的影响进行了理论分析，同时讨论了基于循环
前缀或训练符号的典型 OFDM 同步算法。参考 802.11a 突发数据帧结构和系统参
数，分析几种 OFDM 同步算法用于突发分组传输的性能；在分析了几种经典的信
道估计算法基础上,通过对复杂度和性能的折衷，选择一种适合本文系统的估计
算法。最后作者提出一种改进型 LS 信道估计算法，该算法考虑了 LS 算法中噪声
的影响，从而提高了低信噪比下信道估计的精度。仿真结果表明，改进算法在低
信噪比下具有良好的性能。
(OFDM mathematical principles and transceiver model based on frame synchronization, timing synchronization, frequency synchronization and sampling synchronization to the OFDM system, the impact of the theoretical analysis are also discussed based on the cyclic prefix or training symbols typical OFDM synchronization algorithm . Reference 802.11a burst data frame structure and system parameters, analyze several OFDM synchronization algorithm for burst packet transmission performance several classic channel estimation algorithm based on a compromise between complexity and performance, select a suitable estimation algorithm in this article. Finally, the author proposed a modified LS channel estimation algorithm that takes into account the effects of noise in the LS algorithm, thus improving the low SNR channel estimation accuracy. Simulation results show that the improved algorithm has good performance in low signal-to-noise ratio.)
- 2013-05-10 15:18:30下载
- 积分：1
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OPNET仿真的无线信道
OPNET仿真的无线信道，OPNET仿真的无线信道
- 2010-03-14 21:57:44下载
- 积分：1
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DSTBC
4发1收差分空时分组码系统的编码和译码程序(DSTBC coding and decoding program)
- 2009-02-24 16:06:22下载
- 积分：1
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Hiisi1.6.3
手机通过蓝牙上网不走GPRS流量，一定是很好的源代码，欢迎下载，现在此软件只能一个手机连接一台电脑上网！理论上可以七个手机同时连接一台电脑上网！有要研究七台手机连接一台电脑上网的请发邮件至 jodyyang@163.com反应大家加入！(Don t go through bluetooth phones Internet traffic, must be very GPRS good source, welcome to download this software, now only a mobile phone connection computer online! Seven cell phones can theoretically computer Internet connection! Have to study the daytime phone connection of computer net please email to jodyyang@163.com reaction!)
- 2020-06-25 23:40:01下载
- 积分：1
