呼叫阻塞率的计算与仿真。仿真了随着话务量的增加，阻塞率的情况。包括matlab源程序，仿真曲线，理论曲线，以及两者的比较。还附有报告。-Call blocking rate calculation and simulation. With the increase of traffic in simulated blocking rates of the situation. Including the matlab source co