costas

这是在MATLAB中开发的OFDM调制系统中的同步算法仿真，对于同步算法的理解有很好的辅助效果(This is developed in MATLAB in the OFDM modulation system synchronization algorithm simulation, the synchronization algorithm have a good understanding of the effect of the auxiliary)

说明：  利用FFT分析方波信号的频谱，讨论采样点数、采样频率对谱分辨率的影响。对数据叠加白噪声后再次分析实验结果。(Square-wave signal using FFT spectrum analysis to discuss the sampling points, the sampling frequency of the impact of spectral resolution. White noise superimposed on the data after analysis of experimental results.)

说明：  分形的matlab程序, including the image and signal(practal analysis matlab code)

语音信号合成的算法，，频谱参数合成，基音和共振峰合成，线性预测系数合成等。及语音信号的变速变调算法(Speech signal synthesis algorithm, the spectrum parameters of synthesis, pitch and formant synthesis, synthesis of linear prediction coefficient, etc. And variable speed modulation algorithm of speech signal)

硕士论文用到的仿真程序，供大家参考 本文研究了基于磁链误差观测的控制方案，也就是采用SVPWM优化方案。将电压矢量脉宽调制技术和直接转矩技术相结合，利用磁链和转矩误差选择任意相位和幅值的电压空间矢量，从而减小了转矩脉动。(DTC, zero voltage vector, the stator flux linkage sectors subdivision, the asymmetry of flux increments asymmetry, SVPWM, torque ripple)

用householder变换法求矩阵A的正交分解A=QR (Householder transform matrix A orthogonal decomposition A = QR)

脚部zupt算法计算航向代码，matlab实现，运行通过。(Foot ZUPT algorithm to calculate the course code, matlab implementation, running through.)

车流量检测，需使用matlab computer vision 工具包(Vehicle Flow Detection .Use the MATLAB computer vision Toolkit)

matlab code for DTMF

说明：  多径瑞丽衰落信道下OFDM系统仿真多径瑞丽衰落信道下OFDM系统仿真(Ruili multipath fading channel OFDM system simulation multipath fading channel Ruili OFDM System Simulation)