harris-trace

this is a collection of suite used for image fussion of two images that are pet and mri images mainly. used in medical image processing.

偏微分方程的MATLAB解法，对于利用偏微分方程进行图像处理的研究人员有较大的参考价值(MATLAB PDE solution, for the use of partial differential equations for image processing research are of great reference value)

现在的雷达都是在多脉冲观测的基础上进行检 测的，多个脉冲积累后可以有效地提高信噪比，从 而改善雷达的检测能力。积累处理可以在包络检波 前完成，称为检波前积累或者中频积累。信号在中 频积累时要求信号间有严格的相位关系，也就是说 信号是相参的，所以也称为相参积累。此外，积累 过程可以在包络检波后完成，称为检波后积累或者 视频积累。由于信号在包络检波后失去了相位信息 而只保留了幅度信息，所以检波后积累处理就不需 要信号间有严格的相位关系，因此这种积累又称为 非相参积累。实现非相参积累的方法有很多，例如 抽头延迟线积累（FIR 积累）器和反馈积累器。 ()

Shannon编码程序。解决信号矢量问题。(Shannon coding procedures. Solve the problem of signal vector)

这是一个关于遗传算法解觉非线性函数优化问题的函数，通过它，你可以自己设计初始化参数来求解问题(It is used for some very different problems such as some unliner function)

MATLAB蚁群算法例子。包括一个主程序，两个子程序和三份算例数据。(MATLAB ant colony algorithm examples. Includes a main program, two subroutines and three cases of data count.)

用DSM调制1-bit输出，经简单模拟滤波电路，产生VGA控制电压。对于内部频率高、但VGA变化速度较慢的场合，可以达到很高的控制精度，从而省却了内部高精度DAC的模块(DSM modulation with 1-bit output, through a simple analog filter circuit, producing VGA control voltage. in the circumstance of high internal frequency, but need a slower changing VGA control, this program can achieve high control precision, and thus save the internal high-accuracy DAC module)

数字波束形成方法，去噪算法研究，线性最小化方差方法，旁瓣特性(Digital beamforming methods Denoising Algorithm, linear minimum variance method, sidelobe characteristics)

 结合理论课讲解基于Matlab建立不同信道模型：高斯信道、Rayleigh信道，Recian信道及多径衰落信道模型；  给出QAM/GMSK调制方式下在上述信道模型下的误码率性能分析，分析比较两种调制方式的优缺点；  分析信道参数、信噪比对误码率性能的影响； (Based on Matlab, we construct different channel models: Gaussian channel, Rayleigh channel, Recian channel and multipath fading channel model. The error rate performance analysis of QAM/GMSK modulation mode under the above channel model is given, and the advantages and disadvantages of the two modulation modes are analyzed and compared.  Analysis of channel parameters, signal to noise ratio on the impact of bit error rate performance )

duffing分岔程序，用于求解微分方程的分岔，研究稳定性(duffing bifurcation procedure for solving differential equations of the bifurcation of stability)