-
TheResearchofSpatialSpectrumEstimationAlgorithminS
智能天线技术是第三代移动通信系统的关键技术之一，也是国内外热门的研究课题。由于无线移动通信的信道传输环境具有复杂性和不确定性，存在多径衰落和时延扩展，因此造成了符号间串扰、同信道干扰、多址干扰等，这些干扰降低了链路性能和系统容量，智能天线技术是解决以上问题的方法之一。 本文首先阐述了智能天线和白适应波束形成的基本理论，然后对自适应算法进行了研究。对一些基本的自适应算法最小均方算法、恒模算法及递推最小均方算法进行了分析讨论，用计算机仿真的结果论证了算法的性能。针对相干干扰介绍了空间平滑技术，对传统的相干干扰抑制方法-空间平滑法进行了分析，采用改进算法有效降低了空间平滑算法的运算量。对信号波达方向(DOA)的估计是智能天线研究的另一关键问题。第四章在介绍了阵列信号处理方法的基础上，先简单介绍了Bartlett、Capon、MUSIC等空间谱估计算法，分析了信源数目过估计与欠估计情况下的MUSIC算法性能，提出一种改进算法，在信源数目有误差的情况下该算法的性能良好。第五章针对多径干扰环境，在分析MMUSIC算法的基础上，本文提出了基于低秩矩阵逼近法的改进MUSIC算法(In this paper, firstly, the author illustrates the principles of smart antenna and adaptive beam forming, and then introduces some typical adaptive algorithms, the LMS ,CMA and RLS algorithms are analyzed and discussed and simulate them in the computer to prove their capability. but they have the disadvantage of high complexity, so they are not fit for practice. The paper analyses the conventional method rejecting spatial smoothing coherent interfering signals, which is spatial smoothing technique)
- 2009-07-02 22:43:06下载
- 积分：1
-
AC3toMP3-GUI
AC3toMP3 GUI. GUI application for AC3ToMP3.
- 2014-02-19 03:09:50下载
- 积分：1
-
DC_Power_flow
利用奇诺多面体描述光伏发电出力的不确定性(The Chino polytopic description photovoltaic power generation uncertainty)
- 2017-08-26 10:22:48下载
- 积分：1
-
Taxicab_CCDF
THIS IS THE MATLAB SOURCE CODE
- 2014-02-25 11:50:04下载
- 积分：1
-
ds1104_vect_serial
DS 1014 IMFOC control
- 2012-05-16 04:20:45下载
- 积分：1
-
pso530
粒子群优化算法（PSO）是一种进化计算技术（evolutionary computation）,由Eberhart博士和kennedy博士于1995年提出 (Kennedy J，Eberhart R．
Particle swarm optimization．Proceedings of the IEEE International Conference on Neural Networks．1995．1942~1948.)。源于对鸟群捕食的行为研究。粒子群优化算法的基本思想是通过群体中个体之间的协作和信息共享来寻找最优解．
(Particle Swarm Optimization (PSO) is an evolutionary computation techniques (evolutionary co mputation) by Dr. Eberhart and kennedy Dr. raised in 1995 (Kennedy, J., Eberhart R. Particle swarm optimization.Proc eedings of the IEEE International Conference o n Neural Networks.1995.1942 ~ 1948.) . From the flock of the predatory behavior. PSO algorithm is the basic idea of individual groups through the sharing of information and collaboration to find the optimal solution.)
- 2006-09-08 15:19:54下载
- 积分：1
-
1
说明： vb调用MATLAB的程序说明,非常好用(vb call the MATLAB program that is very easy to use)
- 2011-02-11 11:45:37下载
- 积分：1
-
Matlab--code-to-achieve
本代码为基于matlab的小波功能实现一书中9到19章节中的代码，包括术中各例题的代码。(The code for matlab-based wavelet function of a book of the 9-19 section of the code, including the code of the examples in the surgery.)
- 2013-05-13 11:17:21下载
- 积分：1
-
Speech_codec_standard_classification
语音编码分类及编解码标准 G.711 G.721 G.729 GIPS比较(Speech coding and decoding standard classification. Txt G.711 G.721 G.729 GIPS)
- 2010-11-08 16:49:50下载
- 积分：1
-
matlabandVC
本程序实现了matlab与VC++的混合编程。主要实现了基本的matlab处理的一些功能。但方法比较重要，很有用处(A combined way of matlab and VC++ was realized and it is used to process the basic function of matlab. It is an important approaches.)
- 2009-05-17 13:10:04下载
- 积分：1
