认知无线电中的能量检测

巴特沃思滤波器，低通，可自由修改参数进行低通滤波(Butterworth filter, low pass, be free to modify the parameters of low-pass filter)

matlab仿真数字通信系统2fsk调制，以及相干解调(matlab simulation of digital communication systems 2fsk modulation, and coherent demodulation)

说明：  matlab源代码，经典算法源代码下载。是关于DTFT的(matlab source code, source code to download the classic algorithm. Are on the DTFT)

Matlab code for entropy

说明：  matlab关联规则源码，内含用户手册（英文）(Matlab source, containing a user manual (English))

LMS算法的仿真，希望对大家有用，自适应滤波，可用于通信系统中(LMS algorithm for the simulation, in the hope that useful to everyone, adaptive filtering, can be used in communication systems)

matlab recognition algorithm

点目标的高分辨一维距离像的仿真程序，代码中会生成回波数据。(Point target high resolution range profile simulation program, the code will be generated in the echo data.)

本算法是个B样条曲线拟合算法，包括2D的和3D的两种曲线拟合算法。用户可以自己设定拟合的点数，也可以让算法根据拟合效果自动确定。(This algorithm is a B-spline curve fitting algorithms, including 2D and 3D two curve fitting algorithm. Users can set their own fitting points, but also allows the algorithm automatically determined according to the fitting effect.)

to caluculate the legendre polynomials