首先利用非对称的LINEX损失函数对双指数分布族刻度参数进行了经验贝叶斯估计，并讨论了该估计的性质，给出了收敛速度。
First, we obtain the empirical Bayesian estimator of the scale parameter for the double exponential distribution based on LINEX loss function and the convergence rate of the estimate.
建立了计算旋风分离器压降及速度分布指数的通用计算式。
A semitheoretical modeling to calculate pressure drop and exponent of vortex velocity profile is deduced.
通过与指数分布模型的比较，得出管内统一速度分布式是相当可靠的。
Compared with the exponential distribution, the unified velocity distribution of pipe flow is very reliable.
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