psnr

建立Jakes模型，生成Rayleigh信道。以此为基础，研究不调制，及DSPK等方式的调制下，均衡技术（尤其是迭代均衡）的给误码性能带来的增益。(Establish Jakes model, generate Rayleigh channel. On this basis, Research Modulation modulation, and DSPK etc., balanced technology (especially iterative equalization) to bring the gain error performance.)

利用wolfe-powell准则求解函数优化问题，使用不精确搜索法寻找最优步长，仿真正确。(Wolfe-powell guidelines for solving function optimization problems, the use of imprecise search method to find the optimal step length, the simulation is correct.)

卡尔曼滤波的matlab程序 按照基本卡尔曼滤波算法编写(Kalman filter matlab program prepared in accordance with the basic Kalman filter algorithml)

说明：  用量子BP神经网络与PSO结合的参数反演(Parameter inversion using quantum BP neural network and PSO)

根据高等数学求多元函数极值的思想，编写相应的MATLAB求极值程序。三个例子源自同济版《高等数学》中例题。(According to the Multiple Functions of Higher Mathematics extreme ideas, to prepare the corresponding MATLAB for extreme process. Three examples from Tongji Edition "Higher Mathematics" in the example.)

code for communication

This Matlab code implements an edge based geometric active contour model without reinitialization. MATLAB Release: R13SP1 This Matlab code implements the level set method in Chunming Li et al s paper "Level Set Evolution without Re-initialization: A New Variational Formulation", in IEEE Proc. of CVPR 2005. EVOLUTION.m: core function that performs level set evolution. Demo1.m: a demo for a real cell images Demo2.m: a demo for a synthetic noisy image Demo1_ManualBinaryInitial: demo for the same image in Demo1, allows manual initialization by the user Demo2_ManualBinaryInitial: demo for the same image in Demo2, allows manual initialization by the user

matlab编写的DCT域数字水印，适合初学者学习借鉴(DCT Watermarking by matlab)

MATLAB 图像处理命令 相关命令： bwarea, bweuler, bwfill 功能： 增加或降低颜色映像表的亮度(matlab语句 ．applylut bestblk 4．brighten 功能： 增加或降低颜色映像表的亮度。)

介绍了一种单频的GPS软件接收机的设计，其matlab代码很有参考价值(introduce a design of a single frequency GPS software receiver-attached matlab)