基于帧间差分和背景差分改进的matlab代码

计算时间序列双谱的三维图和二维图，用于研究非线性过程非常管用！(Bispectrum calculation of three-dimensional time series graph and two-dimensional maps, used to study the nonlinear process is very useful!)

sorce code for imageprooceesin with matlab code

dfa 时间序列的赫斯特指数的计算线性趋势的拟合

本文件应用matlab编程了一个日期查询的程序，能够实现轻松，快捷的日期查询(the project provides a convenient way to check a curtai date in matlab)

数字图像处理中的Arnold变换和反变换的MATLAB实现程序,附Lenna图片一张。(Matlab program for Arnold transfer and invers Arnold transfer in digital image processing with a picture of Lenna. )

说明：  针对实验测试完数据，需要对建模过程中的某些参数进行有限元模型修正(According to the experimental data, some parameters in the modeling process need to be modified by finite element model)

分枝界定法的matlab程序,应用于数学模型的整数规划(Matlab program branches to define the law applied to integer programming mathematical model)

无边界主动轮廓模型的matlab实现，对一些简单图像具有很好的分割效果(Borderless active contour model matlab realize, for some simple image with good segmentation results)

说明：  仿真不同环境下无人机航空信道，以及一些常见的航空抗干扰技术。(Simulate aeronautical wireless channel in different environment.)

本程序是对低密度奇偶校验码的校验矩阵的源程序，相信会对研究ldpc码的人会很有帮助的(This procedure is a low-density parity check matrix of code source, I believe that research on LDPC codes will be very useful)