-
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
-
tutorial06
matlab学习指南-编写与调用函数教程,非常实用!(matlab study guide- prepare and call the function tutorial, very useful!)
- 2009-01-06 13:35:43下载
- 积分：1
-
BiGaussian1
Generating Multivariate Gaussian RV
- 2009-12-31 07:16:09下载
- 积分：1
-
fir_echo_canceller
基于LMS的双向回波削除源码，不过回波幅度不要大于0.2,否则算法认为DOUBLE TALK DETECT。各位可修改此阀值，试试效果(based on the two-way LMS Echo slashing source, but not greater than the rate Echo 0.2, or that the algorithm** DOUBLE TALK. You can modify this threshold, try Effect)
- 2005-03-08 10:43:39下载
- 积分：1
-
matlab-classic-cases
matlab的经典案例，小程序，适用于初学matlab的同学(matlab classic cases for student who are learning matlab)
- 2012-08-02 22:38:53下载
- 积分：1
-
space_vectort
speed control BLDC motor
- 2019-01-20 15:01:41下载
- 积分：1
-
matlabmotorCC
modelisationofcontrolofmotor c.cwithmatlab Fuzzylogic
- 2010-11-07 18:10:03下载
- 积分：1
-
L_Quxian
用 Matlab 编程模拟 李萨如曲线
两互相垂直的，频率成一定整数比例关系的简谐振动合成，合振动为有一定规则的稳定的闭合曲线，称李萨如曲线。运行程序，令a=pi/3,k=3可得李萨如曲线(simulation using Matlab programming Lissajous curve as two mutually perpendicular. frequency of a certain proportion of the whole synthesis of harmonic vibration, a vibration of a certain rules of the stability of the closed curve Li said if Savimbi curve. Operational procedures, a = pi/3, k = 3 available as Lissajous curve)
- 2007-05-25 21:42:26下载
- 积分：1
-
Minpo
蒙特卡洛 MCNP输入文件 包包括了各种单元选项卡可直接使用。
(Monte Carlo MCNP input file package includes a variety of cell tab can be used directly.)
- 2012-07-27 13:06:08下载
- 积分：1
-
Read-and-Write-Excel-File
在matlab环境下对EXCEL文件进行读写操作，适合初学者学习借鉴。(In the matlab environment EXCEL file read and write operations, suitable for beginners to learn.)
- 2013-12-23 20:11:08下载
- 积分：1
