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carrier-modulation
多载波调制(Multicarrier Modulation)采用了多个载波信号。它把数据流分解为若干个子数据流,从而使子数据流具有低得多的传输比特速率,利用这些数据分别去调制若干个载波。所以,在多载波调制信道中,数据传输速率相对较低,码元周期加长,只要时延扩展与码元周期相比小于一定的比值,就不会造成码间干扰。因而多载波调制对于信道的时间弥散性不敏感。多载波调制可以通过多种技术途径来实现,如多音实现(Multitone Realization)、正交多载波调制(OFDM)、MC-CDMA和编码MCM(Coded MCM)。其中,OFDM可以抵抗多径干扰,是当前研究的一个热点。(Multi carrier modulation (Multicarrier Modulation) uses multiple carrier signal. It decomposes a data stream into a plurality of sub data stream, so that the sub data stream transmission bit rate is much lower, respectively to a plurality of carrier modulation using these data. )
- 2014-11-26 20:06:23下载
- 积分:1
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matlab4
matlab数字信号与应用源代码4,对初学者有帮助(and application of digital signal matlab source code 4, help for beginners)
- 2009-05-19 22:59:56下载
- 积分:1
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Costa_sgn
说明: 用matlab程序仿真QPSK系统中调制、解调,懂得QPSK通信系统的真正内涵(QPSK simulation with matlab program system modulation, demodulation, QPSK communication system to understand the real meaning of)
- 2011-04-10 21:12:11下载
- 积分:1
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weibull_CA
采用CA-CFAR的方法,对weibull杂波下的目标进行检测,包含杂波产生程序(CA-CFAR, weibull clutter, target detection, including noise generation process)
- 2012-05-24 00:51:52下载
- 积分:1
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matcont3p1
研究分岔软件,最全最强大的非线性系统动态分岔与混沌分析软件(Research bifurcation software, the most powerful dynamic bifurcation and chaos analysis software for Nonlinear Systems)
- 2019-06-01 16:48:10下载
- 积分:1
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beatfreq
BEATFREQ是matlab函数,可以用来寻找两个震荡子的拍频。(BEATFREQ is a matlab function, can be used to finds the beat frequency of two oscillations.)
- 2009-05-13 16:43:13下载
- 积分:1
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RGB
一个修改后的acp进行人脸识别的Matlab代码(A modified acp the Matlab code for face recognition)
- 2008-06-13 09:48:24下载
- 积分:1
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MATLAB-30-ANN
入门好书《MATLAB神经网络30个案例分析》,连同源程序,许多应用范例(good book for matlab ANN)
- 2014-02-19 14:11:35下载
- 积分:1
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Chapter_10_Detection_and_Other_Topics
Optimum array processing 最优阵列处理技术 第十章 MATLAB程序
DOA MUSIC ESPRIT(Optimum array processing
DOA MUSIC ESPRIT)
- 2010-07-04 09:29:10下载
- 积分:1
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43
说明: matlab中的关于优化问题实验方面的例子和程序(matlab optimization problems in the experiments on the examples and procedures)
- 2010-10-14 18:49:48下载
- 积分:1