filter

simulink model of I. C. Engine

分数阶pid的几个控制模型，全英文的，是从别的网站下载的。(to understand by yourself)

说明：  带精英决策的多目标优化关键程序之拥挤度计算方法(Key procedures of multiobjective optimization with elite decision)

BP神经网络matlb程序，可自己输入数据样本进行训练。(The MATLAB program of BP netual network)

说明：  用百度地图爬取医院兴趣点，获得POI数据进行arcgis分析(Baidu map was used to crawl hospital interest points to obtain POI data for ArcGIS analysis)

说明：  FIR低通数字滤波器的设计，利用matlab编程语言利用FIR1函数设计低通滤波器。(Design of FIR Low Pass Digital Filter)

改进的虚拟激励法，用于大型结构的随机频域计算，在建筑、航天、机械领域已得到广泛的应用。-Improved pseudo-excitation method for the large-scale structure of random frequency-domain calculation, in the construction, aerospace, mechanical field has been widely used.

1. Image reduction: ? Alternative line reduction ? Fractal linear reduction to reduce images to any smaller size 2. Use two images to perform image enlargement: ? Pixel replication ? Nearest enlargement ? Bilinear interpolation ? Bicubic interpolation ? Fractal linear expansion to expand images to any larger size 3. Perform negative image operation ? On gray images ? On color images(1. Image reduction. 2. Use two images to perform image enlargement. 3. Perform negative image operation.)

说明：  Simple Eld MLIP algorithm

16位循环冗余校验的4位查表法,用法在文件内有祥细说明