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说明: matlab code for cognitive radio
- 2009-09-08 07:19:21下载
- 积分:1
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OFDM-MATLAB
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。(failed to translate)
- 2020-11-04 22:59:52下载
- 积分:1
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2009-08-20-WiMax
book for simulation in matlab for beginners
- 2015-01-10 01:21:41下载
- 积分:1
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molmap_multiway_toolbox
The MOLMAP multiway toolbox is a collection of MATLAB modules for calculating MOLMAP scores on
multiway data. The scores can be used in subsequent regression or classification models.
- 2015-03-29 05:31:32下载
- 积分:1
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OFDM_QPSK-16QAM-64QAM
OFDM编码,调制的方法有QPSK,16QAM和64QAM(OFDM coding, modulation method QPSK, 16QAM and 64QAM)
- 2014-02-03 21:57:22下载
- 积分:1
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smartmarket
The purpose of this code is to take a set of offers to sell and bids to buy
Use MATPOWER’s optimal power flow algorithm to compute the corresponding allocations and prices
- 2010-05-06 00:59:06下载
- 积分:1
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Lung-Cancer-Detection
Lung Cancer Detection in matlab
- 2011-10-14 15:17:15下载
- 积分:1
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batch_bianli
批量学习模式和遍历学习模式的简单实例,应用LMS算法调节权值。(A simple instance of the batch learning mode and traverse the learning mode, the application of the LMS algorithm adjust the weights.)
- 2012-10-24 09:29:26下载
- 积分:1
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fcm
谱系聚类发 给定聚类点数可得到聚类中心 很好很强大(Hierarchical clustering distributed clustering fixed points can be obtained very powerful cluster centers)
- 2013-12-20 12:36:35下载
- 积分:1
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bjp
fft与边际谱的对比,并画出hilbert图和三维时频谱图(compare fft with marginal spectrum and plot the hilbert figure and 3d time-frequency picture)
- 2017-01-08 08:20:58下载
- 积分:1