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LEACH-MAC-TDMA
OPNET仿真程序。LEACH算法在传感器网络中的实现。OPNET在无线传感器网络中的实现程序还是比较少见的。(OPNET simulation program. LEACH algorithm in sensor networks. OPNET implementation of procedures in wireless sensor networks is still relatively rare.)
- 2012-08-18 09:44:07下载
- 积分:1
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标量阵矢量阵music估计
说明: 基于music算法的均匀线阵的标量阵与矢量阵的方位估计(DOA estimation of scalar array and vector array based on music algorithm)
- 2020-11-08 20:29:48下载
- 积分:1
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Coded_Orthogonal_Signaling(1993)
正交编码方面的文章Coded Orthogonal Signaling(1993)(Coded Orthogonal Signaling(1993))
- 2010-05-29 21:34:33下载
- 积分:1
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超奈奎斯特采样的平台 FTN
基于MATLAB搭建的超奈奎斯特(FTN)仿真系统(Based on Super Nyquist (FTN) MATLAB simulation system built)
- 2021-03-29 20:39:10下载
- 积分:1
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QQ
这是一个实现CS的QQ,并带有链接数据库的功能,主要功能有注册,群聊,私聊等(This is a realization of C S of the QQ, and with a link to a database functions, the main function of registration, group chat, private chat, etc.)
- 2013-07-15 16:09:07下载
- 积分:1
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m序列发生器
说明: m序列发生器(简单型码序列发生器-----simple shift register generator)(m sequence generator (a simple code sequence generator----- simple shift Regi ster generator))
- 2020-12-03 22:29:25下载
- 积分:1
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vij1
function ber_ml=Alamoudi(snr,soglia)
This function simulates a Alamouti scheme. The input variables are soglia and snr.
Soglia: is the number of errors after which the iterations stop. For better results, put high value of soglia, but
the simulation is longer.
snr: the signal to noise ratio (if u don t know what is a signal to noise ratio, well, come back to your high school!).
Note: U should use this function with a main function in wich u chose different value of snr. That s because this
function work just with one value of snr.
If u have problem with this code, write me at m.allegritti@email.it.
Take care!
Max
- 2010-02-06 17:26:08下载
- 积分:1
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revised_simu_multi_path
matlab中离散信号小数点时延的实现算法,可以精确实现一段序列的延时(numerical time-delay)
- 2012-04-12 15:39:37下载
- 积分:1
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Phased Arrays
Millimeter-wave Beamforming and Phased Arrays
- 2019-03-07 10:46:44下载
- 积分:1
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MATLAB
接收端采用的算法和程序流程与发送端发送的OFDM符号的帧结构有关系。具体的帧结构,以及定时估计,频偏估计,剩余误差跟踪的算法可参考算法说明文档。这里对程序的流程进行说明。
首先根据短训练字的特性进行相关运算,进行信号到达检测,当检测到相关值大于门限一定次数后,认为有信号到达。然后根据长训练字的特性,进行相关运算,进行OFDM符号FFT窗口起始位置的估计。估计出FFT窗口的位置后,先在时域进行小频偏的估计,将两个长训练字进行小频偏补偿后,进行FFT运算,根据FFT运算的结果进行整数倍频偏的估计。这些参数估计完成后,就可以进行数据解调了。先对数据部分进行完整的频偏补偿,然后根据估计的FFT窗口位置进行FFT运算得到频域的数据,进行解调。然后在对应于导频的子载波位置上提取出导频信息,根据导频信息估计出剩余定时误差以及剩余的信道响应误差,将误差量送入环路进行跟踪。当收到所有数据后,重新回到信号到达检测状态,进行下一次信号到达的检测和信号接收。
(good)
- 2020-11-04 23:49:52下载
- 积分:1