c程序，子函数chirp（）产生周期性chirp信号，即线性调频信号。(c procedures, Functions chirp () have a periodic chirp signal, that is, the linear FM signal.)

adc 设计 比较器matlab 模型。(adc comparator)

不同长度的LT码在高斯信道中的仿真，里面有编码程序，译码程序。(Different lengths of LT codes in Gaussian channel simulation, coding procedures, the decoding process.)

卷积码的编码与Viterbi译码matlab实现

Frequency hopping spread spectrum

说明：  基于MATLAB中多径非时变信道仿真与分析，可以实现以下简单信道模型的测试！(MATLAB-based non-time-varying multipath channel simulation and analysis, you can achieve the following simple channel model of the test!)

Image enhancement for gray sacle images

FMBC complexity analysis

matlab数值分析详解，新手入门必备，常用matlab技术。(matlab numerical analysis Xiangjie, the Getting Started essential, commonly used matlab technology.)

利用MATLAB实现基于fft的低通滤波器(the fiter using fft by MATLAB)