2011-zhang

cdma code in matlab it is cdma receiver and transmiter.

types of mask useful in image processing

这个代码可以画出一个具有一定倾角的规则长城(This code can draw a certain angle with the rules of the Great Wall)

说明：  一个duffing模型，一个噪声模型，一篇duffing检测原理，。可检测不同频率的待测信号(a duffing model, a noise model, a duffing detection principle)

现代数字信号处理部分实验代码。确定性最小二乘滤波器的实现、谐波信号的现代谱估计算法实现、卷积同态系统仿真实验(Modern digital signal processing part of the experiment code. Deterministic least squares filter is implemented, the modern spectrum of harmonic signal estimation algorithm implementation, convolution with the state system simulation experiments)

说明：  感兴趣区域提取。根据人感兴趣的区域对图像进行裁减(Region of interest extraction. According to people interested in the process of reducing the region' s image)

说明：  2015全国硕士研究生数学建模题目A：水面舰艇编队防空和信息化战争评估模型(2015 national graduate students mathematical modeling problem A)

说明：  GPS捕获的滑动相关捕获的算法的实现，包括C/A码的产生，数字化，还有精频的确定算法，很全的代码，希望对你有帮助(GPS captured captured sliding correlation algorithm, including the C/A code generation, digital, there are fine frequency identification algorithm, it is all the code, I hope to help you)

the LDPC code program

find roots by search gold metod