chap10

关于qpsk调制的代码，详细描述和仿真了qpsk的调制过程和AWGN信道(About qpsk modulation code, a detailed description and simulation of the qpsk modulation process and the AWGN channel)

用CHM格式罗列了常用的MATLAB函数，便于在一时无法想起时，迅速查找函数(CHM format with a list of commonly used MATLAB functions, easy to remember the moment when you can not quickly find the function)

说明：  地震波合成程序，用于生成人工地震波，与大家分享(Synthetic seismic program used to generate artificial seismic waves, and share)

控制问题转化为了数学规划问题。推导出目标函数对于待求参数的梯度公式，并利用序列二次规划算法求出最优控制量(the problem is changed into mathematical programming problem and formulae are derived for computing the gradients, also, a computational method for finding the optimal control is obtained by using the Sequential Quadratic Programming (SQP) algorithm.)

惯导轨迹发生器：用于生成一段简单轨迹，进行仿真验证。(locus generating program)

研究信道译码，测试程序，为保障有效运行，请注意安装环境软件的版本正确与否(study for channel decoding)

使用改进后的全变分算法对地震振幅切片进行处理，可以提高地震剖面的分辨率，增加信噪比。(Using the improved algorithm, total variation for processing seismic amplitude slices, can improve the resolution of seismic profiles, increased signal to noise ratio.)

matlab数值模拟，外文教材！欢迎来联合开发网下载！(matlab simulation, foreign language teaching! Welcome to the Joint Development Network download!)

说明：  低密度码信道编译码算法，程序有信道模拟，matlab语言实现，主要研究规则低密度码(channel low-density code encryption algorithm, the procedure channel simulation, Matlab language, the main rules of low-density code)

波束成形是天线技术与数字信号处理技术的结合，目的用于定向信号传输或接收(digital beam forming)