audiowatermarkdetect

说明：  matlab 转化为索引图像 显示近似匹配后的图像(matlab matlab matlab matlab)

在MATLAB生成的FIG中进行局部放大，(FIG generated in MATLAB in the enlarged)

基于MIMO-OFDM系统的信号算法，主要有QR检测ZF SIC检测 (Signal Algorithm for MIMO-OFDM system based mainly QR detection ZF SIC detection)

说明：  噪声中正弦信号的现代法频谱分析，分析了自相关法、Burg法、协方差法和改进的协方差法对功率谱的影响以及阶数、信噪比、窗长度对自相关法频谱分析的影响。(The influence of autocorrelation method, Burg method, covariance method and improved covariance method on power spectrum and the influence of order, signal-to-noise ratio and window length on the spectrum analysis of sinusoidal signal in noise are analyzed.)

这是个用Durbin递归求预测误差滤波器和他的输出，是电子所邹谋炎老师给出的例程。(This is a demand by Durbin recursive prediction error filter, and his output is of Electronics Zou Mou-Yan teachers given routine.)

说明：  该代码经本人亲自测试，完全通过运行，提取的特征点数量较多(I personally tested by the code, completely by running a larger number of feature points extracted)

用matlab编写的快速傅里叶变换程序，简单易懂，且有大量注释。(Fast Fourier Transform Algorithm)

早迟门算法，定时同步中的经典算法，适合初学者学习参考(Early-late gate algorithm, timing synchronization in the classical algorithm, suitable for beginners to learn the reference)

光纤LP01模式,光纤模式计算，纤芯模式，有效折射率(Fiber LP01 mode, fiber mode calculation, fiber core mode, effective refractive index)

惯性导航仿真matlab程序，含轨迹生成等(Inertial navigation simulation matlab procedures, including trajectory generation, etc.)