cbf

无约束优化程序解决数值优化问题。在优化算法中有重要作用。(Optimization procedures for solving numerical optimization problems. In the optimization algorithm has an important role.)

excellent tutorial on Matlab

zxing相关的二维码开发类库的编译工具，最新版本的apache-ant-1.9.3(zxing related to the development of libraries of the two-dimensional code compilation tools, the latest version of apache-ant-1.9.3)

CC编码的matlab实现，802.16( Encodes input_bits with a constraint length 7, rate 1/2, 2/3, 3/4, or 5/6 encoder as specified in section 8.4.9.2.1 of 802.16e)

用matlab解方程，包括线性微分方程、非线性微分方程等等。(using Matlab solving equations, including linear differential equations, nonlinear differential equations and so on.)

一种实现TOA的算法，chan算法的源代码，matlab源程序，希望采纳。(Algorithm, chan algorithm source code for an implementation of TOA, matlab source code, hope to adopt.)

灰度拉伸是分段进行线性变换，对红色，绿色，蓝色三分量进行统一的分段线性变换，以增强图像对比度 (Gray-scale stretch is sub-linear transformation of the red, green, blue three-component unified piecewise linear transformation, to enhance the image contrast)

说明：  AWGN信道下高斯噪声干扰下GPS编码译码系统性能仿真，同时进行了误码率的仿真(AWGN channel Gaussian noise jamming GPS system performance codec simulation, at the same time the BER simulation)

LDPC码的编译码原理及编码设计，帮助初学者理解(Decoding Principles and Code Design of LDPC codes to help beginners to understand)

matlab程序，对图像做选取3*3矩阵的8邻域与中心特征值的像素差，然后按照不同的方式滑动(matlab program, the selected pixels of the image to make the neighborhood and the center differential 8 eigenvalues ​ ​ 3* 3 matrix, and then slide in different ways)