yxiao_DVBS2code

testing graph theory

C=CURVEFIT( 拟合模型 ,参数C初值,X数据,Y数据) 求参数C使得 sum {(FUN(C,X数据)-Y数据).^2}最小化(C = CURVEFIT ( fitting model and parameter C, initial X, Y data) for data parameters that sum {there (C) (C, X-ray data- Y j ^ 2) minimizing})

预测反褶积matlab编码,适合初学者学习和使用(predictive deconvlution)

Helmholtz方程的有限元解法，可以任意加密网格剖分，求解结果用图像显示.(Helmholtz equation finite element method, you can encrypt arbitrary mesh, the image display solution results.)

说明：  lm算法的matlab程序，自己编的，不是库函数(lm algorithm matlab procedures, own, and not a library function)

2-d wave with cpml boundary condition

专家PId控制，求三阶传递函数的阶跃响应，采用专家PID设计控制器(Expert PId control, and the third order transfer function of the step response，The use of expert PID controller design)

ISAR目标仿真回波在加入不同噪声下利用不同时频分析工具进行分析的MATLAB例子(MATLAB examples of ISAR target echo signals simulation and the time-frequency analysis with different time-frequency tools when adding different noise to the echos)

Function that calculate the PSNR and WSNR of two imagines

这是加权网络中权重均匀分布，节点强度幂率分布的模型，可以画出度分步，强度分布图。(This is a weighted network, evenly distributed weight, power-law distribution of node strength of the model, you can draw the distribution of degrees and strength)