Revised_Comp_TT_JAN_2018_UPDATED_01_02_2018(2)

读取文件夹及其文件，计算nii文件平均值和标准差，并将结果保存为nii文件(Read the folder and its files, calculate the average value and standard deviation of the NII file, and save the result as a NII file)

说明：  代码使用Python语言，简洁高效，能够做到实时爬取疫情数据，并且保存到CSV文件中(Crawling epidemic data in real time)

双站测角GDOP仿真，有原理、推导公式、matlab仿真都有(Dual station angle measurement GDOP simulation, principle, derivation formula, matlab simulation)

glut库的五个相关文件,替代进windows就可以用glut库了-glut library five relevant documents, substitute into the windows can use the glut library

matlab NMF源码，用于信号处理等方面，语音信号处理，信号重构等工作。(Matlab NMF source, for signal processing, processing of speech signal, signal reconstruction work.)

计算gammafunction通过Lanczos approximation(calculate gamma function through Lanczos approximation)

折半查找和插值查找-binary search and interpolation search

python工具书查询,之前看到的，资料还不错，可以参考学习下(Reference books for python)

根据检测概率公式中积分计算困难的问题，给出了简化的解决方案，很经典(According to the difficulty of integral calculation in the formula of detection probability, a simplified solution is given, which is very classic)

Clarke模块在matlab中的实现，包含内部结构图。(The implementation of Clarke module in MATLAB includes internal structure diagram.)