DDC_DUC_sim_160to40

用simulink简历的OFDM预失真仿真模型(OFDM with pre-distortion resume simulink simulation model)

NMF常用源码。需要的拿去。NME常用MATLAB源码。(NMF common source. Need to take. NME used MATLAB source.)

是一種用以衡量兩張數位影像相似程度的指標。當兩張影像其中一張為無失真影像，另一張為失真後的影像，二者的結構相似性可以看成是失真影像的影像品質衡量指標。(Is a digital image to measure the similarity of two indicators. Two images when one of them is undistorted image and one for image distortion after the structural similarity between the two images can be viewed as a measure of the quality of the image distortion.)

mefig212 function for wavelet analysis

kink bang的一个文件描述，详细介绍了kink band相关的知识和内容(kink bang a file description, details kink band knowledge and content)

该程序主要仿真了正交频分复用系统，然后加上均衡器，最后仿真分析了正交频分复用系统结合均衡器后整体的系统性能。(The program is mainly the simulation of orthogonal frequency division multiplexing system, then add equalizer, finally simulation combined with orthogonal frequency division multiplexing system are analyzed after the equalizer overall system performance.)

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)

LTE-A系统上行链路各模块Matlab程序仿真---码块分割程序仿真(LTE-A uplink module of Matlab program simulation--- code block segmentation program simulation)

Simple code to learn how to code a Kalman Filter in Matlab

社会计算，mkbcd算法，准确划分出每个社团(Social computing, mkbcd algorithm，Accurately divided each community)