turbo编码，可以根据不同应用产生1/2或者1/3码率的turbo码-the turbo program of matlab, can be used to prodece the turbo code with code rate of 1/2 and 1/3

turbo码在MATLAB仿真中具体的实现模型并画出了不同情况下的误码率曲线(The realization model of Turbo code in MATLAB simulation and the error rate curves under different conditions are drawn)