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说明：  初学matlab的一些课后习题，有助于各位初学者学习实践(Matlab beginner exercises some after-school help you study and practice for beginners)

Simulation program to realize DS-CDMA system

基于MATLAB/Simulink建立2RC等效电路模型，用于电池模型参数辨识(2RC equivalent circuit model for battery model parameter identification)

计算米氏散射专业程序。做散射等必须的算法.欢迎下载使用(Mie scattering calculations professional procedures. The algorithm must be scattering. Welcome to download)

Low pass filter for images, to filter the image its necessary to use a Laplace transform using the fft2 command.

由一张图像提取圆形的边缘,得到离散的点来拟合椭圆,并简单的去除噪声,得到椭圆中心坐标.(Extracted by a picture rounded edges to fit the discrete points oval, and simply remove noise, get the coordinates of the center of the ellipse.)

雷达电子对抗中的无源干扰的重要形式之一——箔条干扰(chaff jamming)

matlab+dct+数字水印，这实在linux系统下运行的程序。(matlab+ dct+ digital watermarking, which is running under linux system procedures.)

求解过程中，由于几何模型发生变化而导致区域网格改变时会出现几何结构的连续性问题。本章中，我们举两个例子——流道中由于不同尺寸孔板引起额外压力损失问题是稳态几何连续性的一个例子。从概念来看，这个问题与第5章贝纳尔问题中通过Rayleigh数进行的变量连续性没什么不同。第二个例子是液体中悬浮的乳胶颗粒的干膜。在这个问题中，考虑了两个移动前缘；一个通过坐标变换，另一个通过光滑界面模型。该技术对于之前模拟该问题采用的移动弱项方法有所改进。(Solving process, due to geometry changes and the continuity of the geometric structure of the regional grid changes. In this chapter, we give two examples- the flow channel due to the different size orifice caused by the additional pressure loss is an example of the steady-state geometric continuity. Variable continuity standpoint, this issue in Chapter 5 Bernal Rayleigh number is no different. The second example is a dry film of the latex particles suspended in the liquid. In this problem, consider the two move the leading edge a coordinate transformation, and the other by the smooth interface model. The technology used before to simulate the mobile weaknesses improvements.)

程序为matlab编程的求解约束优化软件，适用于求解等式约束和不等式约束情况；(Matlab program for solving constrained optimization software, suitable for solving equality constraints and inequality constraints )