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función para Reducir la escala de gris

this document gives the information about fir filter in matlab..

code for pan tompkin algorithm CORRECTED VERSION

多径多普勒信道模型，包括快衰落，慢衰落，频率选择性衰落，平坦衰落等(Doppler multipath channel model, including fast fading, slow fading, frequency selective fading, flat fading, etc.)

matlab编写的串口调试工具，数据接收部分采用中断方式，保证了实时的数据显示 。在获取端口部分采用了try catch 的方式，可以更加方便的选取端口。(this is a simple serial tool scripted by matlab. I used interrupt to ensure the instant display of received data.)

A matlab guide book.

matlab classic program, which the code is simple, powerful, video material I have

说明：  粒子群算法解决VRP代码（matlab）(Particle swarm algorithm to solve VRP code (matlab))

将GPS得到的经纬度，大地坐标，通过高斯投影正算，得到平面直角坐标 文件大小不够，再增加了高斯投影的pdf文档(The longitude, latitude and geodetic coordinates obtained by GPS are corrected by Gauss projection, and the plane rectangular coordinates are obtained.)

我收藏的kalman程序，拿出来和大家分享！(I kalman collection procedures, and to share out!)