In the experiment with 2-order RSCW,the measuring precision of the improved method is approximately promoted by 1 order of magnitude,and the measuring time is reduced by 51% compared with the previous method.
实验表明,使用2阶矩形自卷积窗时,改进方法的测量精度比原方法高出约1个数量级,其测量时间减少约51%。
参考来源 - 使用快速加窗离散希尔伯特变换和插值算法的时域无功测量方法(英文)·2,447,543篇论文数据,部分数据来源于NoteExpress
In fact, ancient people celebrated the New Year even before they had exact ways of measuring time.
实际上,古人在还不会准确计时之前,就开始欢庆新年了。
The word clock appeared first in English in the 9th century but at first it didn't mean a device for measuring time.
9世纪时英语中第一次出现了“ clock”这个词,但最初这个词并不表示计时的器具。
There are three kinds of angles: the vertical, horizontal and diagonal, which we use for measuring time and price movements.
有三种角度:纵向,横向和对角线,而我们使用的测量时间和价格变动的。
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