QPSK

其文章包含4个文件:些文件是基于matlab的源程序:P0309：运用5种不同的梯度增强法进行图像锐化P0310：图像的高通滤波和掩模处理 P0311：利用巴特沃斯（Butterworth）低通滤波器对受噪声干扰的图P0312利用巴特沃斯（Butterworth）高通滤波器对图像进行锐化处(The article contains four documents: these documents is based on the matlab source: P0309: the use of five kinds of different gradient enhanced image sharpening method P0310: Image of high-pass filtering and mask handle P0311: the use of Butterworth (Butterworth) low-pass filter for noise interference by the use of the map P0312 Butterworth (Butterworth) high-pass filter for image sharpening Department)

说明：  实现抗各种攻击的matlab数字水印，尤其是几何攻击，包括剪切、旋转。有嵌入，提取，攻击，检测过程。(realized a new watermarking algorithm which can resist all kinds of attacks.)

Inpaint over missing data in N-D arrays

matlab 高校编程技巧与应用：25个案例分析的源代码(matlab college programming skills and application source code: 25 Case Studies)

用matlab实现参数估计与假设检验，图形显示结果，得出最优结论(Parameter estimation and hypothesis testing using matlab graphical display of results, draw the optimal conclusion)

1992年到2010年全国数学建模试题精选(1992-2010 National Mathematical Modeling questions)

利用MATLAB解數值積分 利用MATLAB解數值積分 (Numerical integration of solutions using MATLAB numerical integration solution using MATLAB)

偏振复用正交相移监控通信系统信噪比理论值计算(Polarization multiplexed quadrature phase shift monitoring communication system signal-to-noise ratio theoretical value)

有借鉴意义哦，均值便宜跟踪的示例，各种kalman滤波器的设计。( There are reference Oh, Example tracking mean cheap, Various kalman filter design.)

获得图像局部增强时，每个象素的指数增强系数，指数增强系数有原图像中的灰度值与其周边象素比较获得([Coeff_en_local, lum_mask]=enhance_coeff_local_bilateral(lum_ori,window_r,sigmad,sigmar))