Methods1. To conform to the standards in 80 patients using simple random method, were randomly divided into a and B, 40 cases in each group.
方法1、将符合纳入标准的80例患者采用简单随机化的分组方法将参加实验的对象随机分成两组，每组40例。
Ranked set sampling (RSS) is a new sampling method. Compared to simple random sampling method (SRS), RSS sample has many good properties.
有序抽样是一种新的抽样方法，与简单随机抽样方法相比它具有很多很好的性质。
The experiments show that the proposed method retains the merits of maximum-minimum method and is simple and effective in random impulsive noise removal.
本文方法保留了最大-最小值方法去除随机脉冲噪声的优点，且检测算法简单，去噪快速有效。
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