A novel electrocardiogram compression algorithm based on minimum root-mean-square error prediction utilizing the correlation of adjacent QRS wave is proposed.

本文提出了一种利用相邻QRS波的相关性进行最小均方差预测的心电图压缩算法。

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That's your root mean square.

那就是你的均方根。

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The results of the test data indicate that the prediction system is reliable and the root of mean square error is about 15%.

对测试数据的预测结果表明，该预测系统能够可靠工作，预测结果的均方根误差在15%左右。

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What we want to do now is compute the mean and variance of the portfolio-- or the mean and standard deviation, since standard deviation is the square root of the variance-- for different combinations of the portfolios.

我们现在要做的是,计算这个投资组合的均值和方差-,或者均值和标准差，因为标准差的平方就等于方差-,这对任何投资组合都是一样的。

耶鲁公开课 - 金融市场课程节选

But lower-than-projected retail sales per square foot and later-than-expected openings in nonrestaurant retail mean sales-tax revenue from the project will fall short of what is needed to cover the debt service on the city bonds issued to help pay for the district's development, according to Troy Schulte, the city's budget officer.

WSJ: A Tale of Six Cities: How They Weathered Slump

The sleek, sexy Blue Bar makes a mean martini, and for a healthier indulgence, the superb 22, 000-square-foot spa offers 16 harbor-view treatment rooms, an extensive hydrotherapy suite, and a menu that dips a toe into Chinese medicine.

FORBES: Head to Head: Hong Kong

In effect, this would mean Parliament Square would be treated virtually the same as any other location used for a demonstration - but police would have the power to stop protesters from erecting tents or other structures so they could stay overnight.

BBC: Parliament Square protest rules to be reformed