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这是一个基于MATLAB的Lyapunov指数计算方案，在混沌预测等方面会很有用。(This is a MATLAB-based Lyapunov index calculation program, the chaos and the prediction would be useful.)

MATLAB Source Code of 3D Rigid body Transformation

OFDM based sprectum sensing for cognitive radio

此程序和fn_DBn_2D程序是一起的，用于测试fn_DBn_2D程序的分解和重构效果，里面用到了一副典型图象：babala。(This procedure and the procedure is fn_DBn_2D together for testing procedures fn_DBn_2D effects of decomposition and reconstruction, which uses a typical image: babala.)

数字图像处理(冈萨雷斯matlab版)工具包数字图像处理(冈萨雷斯matlab版)工具包(Digital image processing (Gonzalez matlab version) Digital Image Processing Toolkit (Gonzalez matlab version) Toolkit)

一、 本程序采用16QAM调制方式，对一串2进制信源进行调制，用升余弦滚降函数进行基带调制，再调到高频信道；在信道上加入高斯白噪声，运用匹配滤波器解调，画出解调星座图，运用最小欧氏距离译码判决，计算误比特率。(First, the program uses 16QAM modulation, the source of a string of two binary modulation, with the Raised Cosine modulated baseband functions, and then transferred to high-frequency channel in the channel by adding Gaussian white noise, the use of matched filter demodulation, demodulation constellation plot using the minimum Euclidean distance decoding decision, bit error rate calculation.)

图像融合工具包 用matlab实现 (MATLAB Image Fusion Toolkit)

数字信号处理的几个关于快速傅里叶变换的例子的函数，(Fast transforms are important tools in digital signal processing.)

NCO频率控制字的计算方法，可以应用在数字中频/基带等众多场景。(The calculation is NCO frequency control word ,which can be used in digital IF/baseband algorithms and many other scenes.)

matlab依据椭球的高斯投影公式，将某一个点的经纬度坐标转化为横纵坐标的计算公式的m文件。输入形式为n*2的矩阵即可。(matlab based on the Gaussian ellipsoid projection formula, the latitude and longitude coordinates of a point into a vertical and horizontal coordinates of the formula m-file.)