ncm

用matlab 实现信息隐藏的一个函数。比较简单实用。(information hiding )

一章关于matlab图形与图像的资料，对初学者非常有用，有学习的价值。(A chapter on matlab graphics and image information is very useful for beginners, the value of learning.)

Matlab环境下基频提取的代码，比较准确(Code to extract pitch in Matlab，which is comparatively correct)

OCR for both the single character and Whole word

problem 5.19 rappaport

DOA估计中，2MUSIC算法的前后向平滑与前向、后向平滑的比较。(This is the DOA estimation by ULA and spatial smoothing.)

说明：  这是一个求时间序列时延(delay time)的matlab源代码。(This is a time series for time-delay (delay time) of the matlab source code.)

采用L-M优化算法用以训练BP神经网络，使其能够拟合某一附加有白噪声的正弦样本数据。设计一个三层BP神经网络，其网络的隐含层神经元的激励函数为双曲正切型，输出层各神经元的激励函数为线性函数，隐含层有6个神经元(LM optimization algorithm used to train BP neural network to enable it to fit a white noise, sine additional sample data. Design a three BP neural network, its network of hidden layer neuron activation function of hyperbolic tangent type for the output layer activation function of each neuron is a linear function of the hidden layer has 6 neurons)

坐标系转变，通过运行，很好的代码，哈哈哈(Coordinate system transformation, by running, a good code)

说明：  小波转换的简单例子小波转换的简单例子小波转换的简单例子(A simple example of wavelet transform Wavelet transform Wavelet transform a simple example of a simple example)