guassianfilter

generate a normal sequence from rayleigh distribution

this is the sample of matlab coding for echo hiding data audio steganography... use your own input

基于小波变换的图像增强，包含整个处理过程(Image enhancement based on wavelet transform, including the whole process)

matlab code for tanher ship

基于非线性模型的多公共点二维坐标转换，在测绘工程上适用性很强(Based on the nonlinear model of the public more two-dimensional coordinate transformation, on the surveying and mapping engineering applicability is very strong)

kaiser窗函数实现的数字高通，低通和带通滤波器。(kaiser window function to achieve the digital high pass, low pass and band-pass filter.)

Vehicle guidance for obstacle avoidance example

对单点水位进行任意长度、时间间隔的调和分析，得到潮位、潮流的调和常数，以及根据现有的调和常数进行预报等功能。(The harmonics of arbitrary length and time interval are analyzed for the single point of water level, and the harmonic constant of tide level and tidal current is obtained, and the function of forecasting is made according to the existing harmonic constant.)

用于图像的分形维数计算，应用boxcount方法，首先对图像进行二值化处理，然后通过搜索白色区域，进行分形计算。(used to the calculation of the fractal dimension,and using the boxcount method,to do the process,and find the white area,to calculation the fractal dimension)

利用MATLAB绘制等温线，以湖南省为例，绘制了省界，97县的位置以及等温线。(plot temperature contour through MATLAB.)