homework-5-roeaHLL

均匀圆阵MUSIC算法，不同信噪比下对信号俯仰角估计性能，用均方根误差表示；采用谱峰搜索寻找最大值对应坐标；(UCA MUSIC to estimate elevation angle vernus different SNRs，describe with RMSE search the spectral peak and fing the maximum )

MFSK调制 相干解调 非相干解调 高斯白噪声 误码率 眼图(Coherent demodulation of MFSK modulation of non-coherent demodulation of white Gaussian noise bit error rate eye diagram)

说明：  逆变器MMC，运用V/F控制，双闭环，没有CCSC，真实好用(Inverter MMC, V / F control, double closed loop, no CCSC, real and easy to use)

LMS算法，实现自适应滤波，效果还可以，大家可以看看(LMS algorithm, adaptive filter, the effect can be, we can see)

Software Testing Research_Achievements, Challenges, Dreams

这段程序是关于matlab中的图论问题，结合相应的程序会很好的解决图论的相关问题，大家有兴趣的可以看看。。。(This program is about matlab problem in graph theory, combined with the appropriate procedures will be a good solution to the problem related to graph theory, we are interested can look at. . .)

智能微粒群为最小二乘支持向量机调参的示例程序（LSSVM+PSO）(Intelligent Particle Swarm and least squares support vector machine modeling(LSSVM+ PSO))

摘要:正交频分复用(OFDM)是第四代移动通信的核心技术。该文首先简要介绍了OFDM基本原理,重点研究了理想同步情 况下,保护时隙(CP)和不同的信道估计方法在高斯信道和多径瑞利衰落信道下对OFDM系统性能的影响。在给出OFDM系 统模型的基础上,用MATLAB语言实现了整个系统的计算机仿真并给出参考设计程序。最后给出在不同的信道条件下,保 护时隙、信道估计方法对OFDM系统误码率影响的比较曲线,得出了较理想的结论。 (O FDM is the key techno logy of 4G in the field of mobile comm unication.In this article O FDM ba sic p rinc ip le is briefly in troduced.Then,the influence of CP and d iffe rent channe l e stim a tion on the system pe rfo rm ance is emp ha tica lly analyzed respectively in Gauss and R ayle igh fading channe ls in the cond ition of ideal synchronization.B e sides,based on the given system mode l O FDM system is compu te r sim u la ted w ith MA TLAB language and the refe rentia l design p rocedure is given.Fina lly,the B ER cu rves of CP and channe l e stim ation a re given and comp ared.The conclusion is sa tisfac to ry. )

该编程为矩阵与数据分析课的编程作业程序，里面包括matlab的三次样条曲线程序，有Jacobi迭代法和Gauss-Seidel迭代法等(The programming and data analysis for the matrix class programming operations program, which includes the cubic spline curve matlab procedures, Jacobi and Gauss-Seidel iterative method iterative method)

自适应滤波LMS算法语音降噪，采集一段wma文件，加入高斯白噪声，然后实现降噪。(LMS adaptive filtering algorithm for speech noise reduction)