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研究了用条件采样方法检测壁湍流相干结构的门限值与壁湍流相干结构平均粹发周期检测结果之间的关系，根据用壁湍流流向脉动速度自相关函数检测壁湍流相干结构平均猝发周期的方法，提出了用自相关法确定壁湍流相干结构条件采样的门限值，从而检测壁湍流相干结构的方法
The relationship between the threshold value of detecting the wall turbulence coherent structure and the average culling period of the wall turbulence coherent structure is studied. The average burst period of the wall turbulence coherent structure is detected by using the autocorrelation function of wall turbulence flow velocity and pulsation velocity Method, a method of detecting the wall turbulence coherent structure by using the autocorrelation method to determine the threshold value of the wall turbulence coherent structure sampling condition