chap3_6

用MATLAB实现AWGN的各种方法，方便大家用MATLAB编写AWGN信道(Various methods of MATLAB AWGN, facilitate everybody use MATLAB AWGN channel )

对于无源雷达定位系统，采用测向方法对目标定位，并对定位精度进行了分析。(For passive radar location system, using the direction finding method of orientation, and the positioning precision is analyzed.)

杜建明 编著，是少有的中文版的专门讲mathematica在电磁场理论中的应用的书籍，例子丰富(杜建明 edited, is a rare devoted mathematica in electromagnetic theory in the Chinese version of the book, rich in examples)

用于图像处理，可以实现去燥功能，还可以加噪等(For image processing, can function to dry, but also noise and other)

说明：  里面包含了插值，函数逼近的各个算法。很知道大家去学习(Which contains the interpolation, function approximation of the various algorithms. We are aware that to learn)

一个非线性滤波器的实现程序，能够实现其基本的功能，对于初学者很有帮助。(A nonlinear filter is implemented procedures to achieve its basic functionality, useful for beginners.)

无刷直流电机仿真模型，为闭环控制，在外界突加负载的情况下系统也可以迅速稳定(Brushless DC motor simulation model for the closed-loop control, in the case of sudden load outside the system can quickly stabilize)

matlab产生均匀 高斯 锐利等分布并画出直方图(using matlab to get random)

matlab图像图像处理，利用移位进行灰度值的变化，达到减小灰度值的效果(the matlab image change of image processing, by using shift grayscale value, to achieve the effect of reducing grayscale value)

说明：  结构可靠性分析中的重要度抽样、蒙特卡洛仿真方法(importance sampling technique and Monte Carlo simulation in system structural reliability analysis)