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KAPITEL01
Various mathematical tools in matlab
- 2014-08-27 23:19:02下载
- 积分：1
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OFDMxitongjiangdifengpingbiyanjiu
正交频分复用(OFDM)技术是一种可以有效对抗符号间干扰(ISI)的高速数据传输技术。OFDM是一种特殊的多载波调制方式，它的基本思想是将高速传输的数据流通过串/并转换，变成在若干个正交的窄带子信道上并行传输的低速数据流。OFDM接收机有三个关键技术：信道估计技术，降低峰均比(PAPR)技术和同步技术。OFDM技术能有效的对抗多径衰落等，有着诸多的优点，但是OFDM有一个发展瓶颈，即OFDM信号的峰均功率比很大，很容易导致OFDM信号的交调失真和系统性能的下降。因而如何降低OFDM信号的峰均功率比一直是OFDM技术的一个研究热点问题。论文针对上述问题，重点研究了降低OFDM信号的峰均功率比的SLM与PTS算法，并利用Matlab对算法进行了仿真研究，并对仿真结果进行了分析。(Orthogonal frequency division multiplexing (OFDM) is a high-speed data transmission technology that can effectively combat inter-symbol interference (ISI). OFDM is a special multi-carrier modulation method, its basic idea is to high-speed transmission of data stream through the serial/parallel conversion, in a number of orthogonal narrowband sub-channel parallel transmission of low-speed data stream. OFDM receivers have three key technologies: channel estimation techniques, reduced peak-to-average ratio (PAPR) techniques and synchronization techniques. OFDM technology can effectively combat multipath fading, etc., there are many advantages, but OFDM has a bottleneck in development, that is, OFDM signal peak power ratio is large, it is easy to lead to OFDM signal intermodulation distortion and system performance degradation. Therefore, how to reduce the peak-to-average power ratio of OFDM signal has been a hot topic in OFDM technology. In this paper, the SLM and PTS algorithms for reduc)
- 2017-05-07 16:48:57下载
- 积分：1
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p1
说明： Physical modelling example 1
- 2014-12-30 19:35:55下载
- 积分：1
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MATLAByuanchengxu
《现代通信系统》Matlab源程序,一共10章的内容，好东西分享("modern communications systems" Matlab source, a total of 10 chapters, sharing the good things)
- 2006-06-06 10:06:51下载
- 积分：1
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Documentation
稀疏傅里叶变换实现的文档，文档包含描述文件、输入参数、功能和运行测试的例子。(A documentation of the Sparse Fast Fourier Transform (SFFT 1.0/2.0) C++ implementation. The
documentation includes a description of the files, the input parameters, the functions and examples of run
tests.)
- 2014-09-13 16:32:08下载
- 积分：1
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eigface
PCA特征脸 可以获得ORL库的特征连图像。(PCA face)
- 2014-01-17 16:55:02下载
- 积分：1
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BER-simulation-for-BPSK-with-AWGN
With this matlab codes one can simulate BER for BPSK Modulation with added noise in various steps
- 2014-02-20 19:40:31下载
- 积分：1
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smallworld
复杂网络中的小世界模型，包括nw模型和Sw模型还有求度分布的matlab程序代码。(Complex network of small-world model, including model and Sw model nw still seeking distribution of the matlab program code.)
- 2007-09-17 15:03:55下载
- 积分：1
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rs
contains reeedsolomon code for wireless complete systm
- 2010-08-16 18:11:33下载
- 积分：1
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DV-HOP
本方法是采用 DV-HOP算法进行节点之间的定位。(This method is the use of DV-HOP algorithm positioning between nodes.)
- 2009-05-11 11:07:01下载
- 积分：1
