butterworth

contourlet 变换的toolbox,方便大家使用(contourlet transform toolbox, to facilitate people to use)

dsb编程，速度较快，效果较好，易于实现，调制效果可以(dsb programming, faster, better, easy to implement, modulation effects can be)

智能控制（刘金琨版）第10章第3题课后练习MATLAB程序(Intelligent Control (Hangzhou Press Edition) Chapter 10 Homework Question 3 MATLAB program)

小波变换的光谱预处理的MATLAB源程序(xiaobobianhuan yuchuli )

使用SGP模型进行轨道计算的matlab源码 使用两行星历TLE(Simplified perturbations models are a set of five mathematical models (SGP, SGP4, SDP4, SGP8 and SDP8) used to calculate orbital state vectors of satellites and space debris relative to the Earth-centered inertial coordinate system. This set of models is often referred to collectively as SGP4 due to the frequency of use of that model particularly with two-line element sets produced by NORAD and NASA.)

信道估计程序，包括对多路径信号经过加权后进行最佳信噪比和相位估计(Channel estimation procedures, including multipath signals after weighting the best signal-to-noise ratio and phase estimation)

用于实现SVD数学验证，即可正实两个事物的相关性等，(user of SVD)

matlab一些典型例程，供初学者使用，互相学习啊，(Matlab some of the typical routines for beginners, learn from each other,)

说明：  Text detection technique using canny edge detector

Create Line 3d to connect between two planes