EX3

低通巴特沃斯滤波器设计求阶数，适合广大学生们参考，(Low-pass Butterworth filter design requirements order, for the majority of students reference)

Main Unbalance Three Phase Program

audio watermarking embedding and exctract

这是关于高斯过程国外人写的经典程序，可用于预测、分类等。(This is a Gaussian process abroad written about the classic procedure, can be used for prediction and classification.)

在MATLAB中如何实现聚类分析原程序代码(In MATLAB, how to cluster analysis of the original program code)

a good lecture for people who want to start working with embedded systems

利用MATLAB来实现离散傅里叶变换和离散傅里叶逆变换，N为离散傅里叶变换长度，形式为xk=IDFT（xn，N）(To achieve the discrete Fu Liye transform and discrete Fu Liye transform by using MATLAB, N as the discrete Fu Liye transform length, form xk=IDFT (xn, N))

本函数是一个通过设置阈值，检测基本通信水印的函数(This function is a through setting threshold value, the function of the basic communication watermark detection)

vc 与 matlab的混合编程，关于调用，执行(VC AND MATLAB )

说明：  BPSK、QPSK、MQAM等不同调制方式误码率的Monto-carlo仿真(Monto carlo simulation of BER)