digital-speckle-correlation-method

说明：  梯形法求数值积分和simpson法求数值积分以及gauss-lengendre法求数值积分(Trapezoidal method seeking numerical integration and simpson Method the numerical integration the gauss-lengendre Method numerical integration)

司守奎增补版数学建模教材 一本好书，值得推荐(Si Shoukui added to the edition of mathematical modeling teaching a good book, worthy of recommendation)

根据Barabasi等人提出的无标度模型复杂网络生成的preferential attachment原理，生成指定规模的无标度网络的邻接矩阵。(Based on the preferential attachment mechanism proposed by Barabasi et al, the code functions to generate the adjacency matrix for a scale-free network with given size.)

对心率变异性（HRV）曲线进行时域分析时候，主要参数SDNN，SDANN，SDNN_INEDX等的matlab计算程序。(On heart rate variability (HRV) curve when the time-domain analysis, the main parameters SDNN, SDANN, SDNN_INEDX etc. matlab calculation program.)

数字信号处理应用设计了各种滤波器，能够完成信号的处理(The digital signal processing applications design of a variety of filters, to complete the processing of the signal)

人脸识别哦，用于人脸识别，很不错，能用，很给力(face recgonition)

波达方向算法ROOT - MUSIC 的仿真程序, 可以运行出来结果，且结果正确(Doa algorithms ROOT - MUSIC program, is better than the effect of MUSIC algorithm)

说明：  南航写的gps仿真器源码，用matalb编写的一个比较简单的GPS仿真器，供大家学习和参考。(China Southern gps emulator written source, matalb prepared using a relatively simple GPS simulator for them to learn from and reference.)

this code generates notch signal

3D的多孔材料的生成，使用了随机生长的远胞自动机模型(Generate 3D porous material, the use of random growth far Cellular Automata Model)