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小波变换加VQ语音识别程序。用小波变换来提高语音特征的性能，从而提高VQ算法的识别率(Wavelet transform plus VQ speech recognition program. Using wavelet transform to improve the performance of speech features to enhance the recognition rate of VQ algorithms)

IEEE802.11a系统级仿真完整程序，包含发送端，接收端以及信道建模等(IEEE802.11a complete system-level simulation, including the sending end, the receiver, channel modeling, can be used to run a bit error rate, frame error rate, etc.)

利用matlab求已知数据点的拉格朗日插值多项式，包含多种方法(Known data points using matlab find the Lagrange interpolation polynomial, contains a variety of methods)

用于混沌多项式扩展的代码，例子较多，有些比较复杂，深入浅出(Code for the extension of chaotic polynomials)

matlab工具箱的理论与应用，对于刚接触matlab的朋友来说是很有用的(matlab toolbox of theoretical and applied, for friends刚接触matlab is very useful)

这个是希尔伯特黄变换自己改的EMD经验模态分解仿真程序。(This is the Hilbert-Huang Transform own reform empirical mode decomposition EMD simulation program.)

CMA WITH N EQUAL TO 8,4,20

根据三次B样条公式，算出样条曲线，并取样，把三维坐标写进txt，再用matlab绘制三维三次B样条曲线(According to the cubic B-spline formula, calculate the spline curve, and sample, the three-dimensional coordinates into the txt, and then draw three-dimensional cubic B-spline curve)

Lecture on Week number 4

雷达二维恒虚警算法 是合成孔径雷达的一个重要研究方向(CFAR radar two-dimensional synthetic aperture radar algorithm is an important research direction)