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三维的分数阶傅立叶变换，用于非平稳信号处理(the 3D Fractional Fourier Transform)

说明：  （2,1，2）归零卷积码的维特比译码算法matlab实现((2,1,2) convolutional codes Viterbi decoding)

小波变换及编码在图像图形处理中有着重要的应用，本压缩包属于小波编码及其演示的matlab库函数，希望对大家的学习有帮助。(Wavelet transform and image coding has important applications in graphics processing, the wavelet encoding and compression packages are demo matlab library function, we hope to help learning.)

人工产生scurve数据集，方便一些降维方法的效果验证(Scurve generate artificial data sets to facilitate some of the effects of dimensionality reduction methods to verify)

method for half-toning an image

说明：  对于MATLAB，许多人无从下手，这是一个学习源码！(Regarding MATLAB, many people start without knowing where to begin, this is a study sound code! )

卡尔曼滤波的国外论文，详细讲述了卡尔曼滤波的提出背景，以及应用场合，是卡尔曼那滤波的经典论文(kalman filter )

美国人写的matlab教材，非常好，简单易懂(Americans matlab written materials, very good, easy to understand)

极小化误差平方和算法聚类源代码，下载后直接运行就可以了(Minimizing the error sum of squares clustering algorithm source code can be run directly after downloading the )

采用最小二乘法，对水位数据进行调和分析。可同时处理多个站点的水位调和分析，站点个数不限，在输入文件中可更改分潮个数。(Least squares method, the water level data for harmonic analysis. Can simultaneously handle multiple sites water harmonic analysis, number of sites not limited to, change in the input file, the number of sub-tidal.)