coreextract

分数阶余弦变换的计算的MATLAB程序。(Fractional cosine transform calculation of the MATLAB program.)

用matlab实现了信赖域算法，主要用于无约束优化问题的求解(Using matlab to achieve the trust region algorithm, mainly used for solving unconstrained optimization problems)

对偶复树小波以及去噪， 包含1维二维三维的程序实现(Dual tree complex wavelet and the noise, including the one-dimensional two-dimensional three-dimensional program)

通过对语音的读入，对起进行语谱分析，以前，接着对语音进行了基音的提取，对语音进行分析！(Through the voice to read the language have been carried out spectral nalysis, in the past, followed by a pitch on the voice of the extraction, analysis of the audio!)

Spectrum sensing using FFT Averaging Ratio (FAR) Algorithm

Help ful for those programmers doing project

采用国际标准测试图lena进行测试。分别采用“基于等间隔采样的图像缩小”、“基于局部均值的图像缩小”两种方法进行图像缩小。并附有注释、程序清晰、易于阅读。相信图像初学者阅读后必定会有很大的收益。(jiyudengjiangecaiyangdetuxiangsuoxiao, jiyujubujunzhidetuxiangsuoxiao,)

基于FFT的图像匹配，用傅立叶变换对图像进行匹配！分别对模板和匹配图进行傅立叶变换(image Regsiter use FFT )

利用两层BP神经网络训练加权系数。隐含层的激活函数取S型传输函数，输出层的激活函数取线性传输函数(Weighting factor of two layers of BP neural network training. The hidden layer activation function to take the S-shaped transfer function, the output layer activation function to take a linear transfer function)

一个Matlab 示波器示例，动态显示后台数据(Matlab oscilloscope)