In this paper, a mathematical model is used to characterize this random signals, and a time averaging method is used for obtaining the ultrasonic attenuation coefficient.
本文提供了一种用于识别这类随机信号的数学统计模型，并介绍了一种时间平均法用来获取超声背散射信号的衰减系数。
Experimental results show that the proposed approach outperforms the conventional coefficient combining method of weighted averaging.
实验结果表明该方法优于传统的加权平均系数组合方法。
According to the giving wave spectrum, the coefficient of nonlinear wave filter is gotten by the method of stochastic averaging.
应用随机平均法，根据所给定的波浪谱确定滤波器参数。
应用推荐