拥有四条通路的转盘路口排队模型模拟。相邻路口的弧形段假设为一容量有限的队列。到达为泊松分布，不考虑车长的堵塞影响-Four channels have lined up at the junction of the turntable model. Paragraph of the arc adjacent to the junction is assumed to be a queue with limited capacity. The reach follow the Poisson d

随机噪声生成程序，包括高斯分布、随机分布、泊松分布三种分布，适用于各种信号处理的信号生成添加噪声-Random noise generator, including a Gaussian distribution, random distribution, distribution of three types of Poisson distribution, for a variety of signal processing of adding the noise signal genera