irregularly spaced data meaning in English

不规则间隔数据

We present two different frameworks to analyzing the high frequency time series : first , regularly spaced sampled observations , which is sampled with interval of one hour , one minute even one second ; secondly , the irregularly spaced data , such as transaction by transaction data 。 the main work and innovations of the dissertation include : 1 . through empirical research of high - frequency time series of shanghai composite index , the paper researches the different statistical properties on different frequency
高频时间序列的分析与建模是金融计量学的一个全新研究领域。金融市场中高频时间序列分为两类:一类是采样间隔相等的数据,比如一小时、十分钟、五分钟、甚至是以秒为单位采集的按时间先后排列的等时间间隔的数据;另一类是指对交易过程实时采集的数据,也就是每笔交易的数据(显然是不等间隔的数据) 。