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OF123456
OF,实际上OF是MCM Multi-CarrierModulation,多载波调制的一种。其主要思想是:将信道分成若干正交子信道,将高速数据信号转换成并行的低速子数据流,调制到在每个子信道上进行传输。正交信号可以通过在接收端采用相关技术来分开,这样可以减少子信道之间的相互干扰 ICI 。每个子信道上的信号带宽小于信道的相关带宽,因此每个子信道上的可以看成平坦性衰落,从而可以消除符号间干扰。而且由于每个子信道的带宽仅仅是原信道带宽的一小部分,信道均衡变得相对容易。在向B3G/4G演进的过程中,OFDM是关键的技术之一,可以结合分集,时空编码,干扰和信道间干扰抑制以及智能天线技术,最大限度的提高了系统性能。(OF)
- 2010-05-21 14:59:58下载
- 积分:1
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seismic-AV
根据地层参数通过简化佐普利兹方程求取反射系数,制作合成地震记录,从而显示不同地层模型的AVO响应。(Formation parameters by simplifying Zuopu Leeds equation strike reflection coefficient, making synthetic seismogram, which show different stratigraphic model AVO response.-In accordance with formation parameter equation by simplifying Zuopu Leeds find reflection coefficient, the production of synthetic seismograms, which show different stratigraphic model AVO response.)
- 2020-10-28 20:39:59下载
- 积分:1
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SmilRegionMediaElementImpl
public class SmilRegionMediaElementImpl extends SmilMediaElementImpl implements.
- 2014-01-16 13:34:22下载
- 积分:1
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xiaoxingfenglifadianzuida
小型风力发电系统最大功率控制的扰动法及建模分析与仿真_齐志远(Small wind power system disturbance maximum power control method and Modeling Analysis and Simulation _ Qi Zhiyuan)
- 2020-09-08 15:28:02下载
- 积分:1
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MatlabandLabVIEWprogrammingmixedimplementation
Matlab和LabVIEW混合编程的实现
(Matlab and LabVIEW programming mixed implementation)
- 2009-02-25 21:30:09下载
- 积分:1
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20130903
现代移动通信中的调制技术研究及Matlab实现(Modulation of modern mobile communication technology research and Matlab,)
- 2013-09-03 20:17:48下载
- 积分:1
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iterative-method
包含Jacobi和Seidel两种迭代法,用于求解线性方程,计算简单,收敛快(Contains two kinds of Jacobi and Seidel iterative method for solving linear equations, computing simple, fast convergence)
- 2013-11-29 22:49:26下载
- 积分:1
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CVSD
CVSD(连续可变斜率增量调制)的编解码实现及调试。(CVSD realization, continuously variable slope delta modulator.)
- 2020-12-23 12:49:05下载
- 积分:1
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AntsMatlabCode
蚁群算法的matlab源码,希望有人来讨论!(Ant colony algorithm matlab source code, hope someone to discuss!)
- 2008-07-19 10:03:46下载
- 积分:1
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rangeestimate_uwb
this code is for ranging applications using UWB signals.it has applications in virtual reality, medical, body area networks.
- 2011-11-17 14:34:21下载
- 积分:1