part_III

potential field method

对齿轮箱故障进行提升小波去噪分解重构，准确判断初故障类型(Gearbox fault on lifting wavelet de-noising decomposition and reconstruction and accurately determine the beginning of the fault type)

how to use pnm files and image in matlab

说明：  龙格库塔程序源代码，用于解微分方程或微分方程组，给初学者作为参考。(Runge-Kutta program source code for the solution of differential equations or differential equations, as a reference for beginners.)

harris角点检测，并对检测的角点用NCC进行匹配(harris corner detection, and detection of the corner points are matched with NCC)

this is implementation huffman algorithm,you must try code. i think you must try.

matlab edge preserving filter

matlab教程电子版，非常适合初学者，讲得很详细，非常好理解(Very suitable for beginners, very detailed, very good understanding)

在排序学习算法经常用到的评价指标 NDCG，计算检索的效果好坏(NDCG can be used to evaluate the ranking with multilevel relevance such as irrelevance, half relevance, and relevance. )

this is introduction to simulink engineering