Orthogonal frequency division multiplex (OFDM) is an effective method to realize high data rate transmission.
正交频分复用(OFDM)是实现高速数据传输的一种有效方法。
High-frequency financial data analysis and modeling is a new research field in financial econometrics.
高频金融数据的分析与建模是金融计量学的一个全新的研究领域。
And ultra high frequency time series is tick-by-tick data, which contain plenty of market information.
而超高频时间序列是市场上每笔交易的实时数据，其中包含了丰富的市场信息。
And ultra high frequency time series is tick-by-tick data, which contain plenty of market information.
而超高频时间序列是市场上每笔交易的实时数据，其中包含了丰富的市场信息。
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