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。
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.
对于垂直均匀分布海水，提出了利用机载海洋激光雷达数据估计系统的有效衰减系数、海水的体积吸收系数、体积衰减系数和体积散射系数的方法。
Through the observing system of water inherent optical properties, which were developed by WETlabs Inc, the backscattering and scattering coefficients of Lake Taihu had been obtained in Oct.
对于垂直均匀分布海水，提出了利用机载海洋激光雷达数据估计系统的有效衰减系数、海水的体积吸收系数、体积衰减系数和体积散射系数的方法。
Through the observing system of water inherent optical properties, which were developed by WETlabs Inc, the backscattering and scattering coefficients of Lake Taihu had been obtained in Oct.
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