We also measured intimal plus medial thickness in every carotid artery three times and calculated mean value.

我们同时测量每一个颈动脉内膜加中膜厚度三次求平均值。

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Using the method of window moving in real time, the root mean square value of current of the last cycle was calculated as the criteria for instantaneous overcurrent protection.

用窗口实时移动的思想计算当前时刻以前一周波电流方均根值平方作为瞬动脱扣的判断依据。

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Then, the best threshold value is calculated basing on the gradient magnitude mean and the variance of the image.

再由图像的梯度幅值均值和方差计算出图像的最佳阈值。

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